diff --git a/apps/api/src/app/endpoints/data-providers/ghostfolio/ghostfolio.service.ts b/apps/api/src/app/endpoints/data-providers/ghostfolio/ghostfolio.service.ts
index ac5881c4d..1094858cb 100644
--- a/apps/api/src/app/endpoints/data-providers/ghostfolio/ghostfolio.service.ts
+++ b/apps/api/src/app/endpoints/data-providers/ghostfolio/ghostfolio.service.ts
@@ -8,7 +8,7 @@ import {
   GetQuotesParams,
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
 import {
@@ -114,7 +114,7 @@ export class GhostfolioService {
 
     try {
       const promises: Promise<{
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       }>[] = [];
 
       for (const dataProviderService of this.getDataProviderServices()) {
@@ -156,7 +156,7 @@ export class GhostfolioService {
 
     try {
       const promises: Promise<{
-        [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+        [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
       }>[] = [];
 
       for (const dataProviderService of this.getDataProviderServices()) {
diff --git a/apps/api/src/app/exchange-rate/exchange-rate.controller.ts b/apps/api/src/app/exchange-rate/exchange-rate.controller.ts
index a5b2823d5..fc9e61d61 100644
--- a/apps/api/src/app/exchange-rate/exchange-rate.controller.ts
+++ b/apps/api/src/app/exchange-rate/exchange-rate.controller.ts
@@ -1,5 +1,5 @@
 import { HasPermissionGuard } from '@ghostfolio/api/guards/has-permission.guard';
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 
 import {
   Controller,
@@ -25,7 +25,7 @@ export class ExchangeRateController {
   public async getExchangeRate(
     @Param('dateString') dateString: string,
     @Param('symbol') symbol: string
-  ): Promise<IDataProviderHistoricalResponse> {
+  ): Promise<DataProviderHistoricalResponse> {
     const date = parseISO(dateString);
 
     const exchangeRate = await this.exchangeRateService.getExchangeRate({
diff --git a/apps/api/src/app/portfolio/calculator/portfolio-calculator.ts b/apps/api/src/app/portfolio/calculator/portfolio-calculator.ts
index 8a8606003..3218d01f4 100644
--- a/apps/api/src/app/portfolio/calculator/portfolio-calculator.ts
+++ b/apps/api/src/app/portfolio/calculator/portfolio-calculator.ts
@@ -9,7 +9,7 @@ import { getFactor } from '@ghostfolio/api/helper/portfolio.helper';
 import { LogPerformance } from '@ghostfolio/api/interceptors/performance-logging/performance-logging.interceptor';
 import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
-import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PortfolioSnapshotService } from '@ghostfolio/api/services/queues/portfolio-snapshot/portfolio-snapshot.service';
 import { getIntervalFromDateRange } from '@ghostfolio/common/calculation-helper';
 import {
@@ -193,7 +193,7 @@ export abstract class PortfolioCalculator {
     }
 
     const currencies: { [symbol: string]: string } = {};
-    const dataGatheringItems: IDataGatheringItem[] = [];
+    const dataGatheringItems: DataGatheringItem[] = [];
     let firstIndex = transactionPoints.length;
     let firstTransactionPoint: TransactionPoint = null;
     let totalInterestWithCurrencyEffect = new Big(0);
diff --git a/apps/api/src/app/portfolio/interfaces/get-values-params.interface.ts b/apps/api/src/app/portfolio/interfaces/get-values-params.interface.ts
index 5cf7c8811..ffb74ee9b 100644
--- a/apps/api/src/app/portfolio/interfaces/get-values-params.interface.ts
+++ b/apps/api/src/app/portfolio/interfaces/get-values-params.interface.ts
@@ -1,8 +1,8 @@
-import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 
 import { DateQuery } from './date-query.interface';
 
 export interface GetValuesParams {
-  dataGatheringItems: IDataGatheringItem[];
+  dataGatheringItems: DataGatheringItem[];
   dateQuery: DateQuery;
 }
diff --git a/apps/api/src/app/symbol/symbol.controller.ts b/apps/api/src/app/symbol/symbol.controller.ts
index 5d9a49a29..b374a914b 100644
--- a/apps/api/src/app/symbol/symbol.controller.ts
+++ b/apps/api/src/app/symbol/symbol.controller.ts
@@ -1,7 +1,7 @@
 import { HasPermissionGuard } from '@ghostfolio/api/guards/has-permission.guard';
 import { TransformDataSourceInRequestInterceptor } from '@ghostfolio/api/interceptors/transform-data-source-in-request/transform-data-source-in-request.interceptor';
 import { TransformDataSourceInResponseInterceptor } from '@ghostfolio/api/interceptors/transform-data-source-in-response/transform-data-source-in-response.interceptor';
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 import { LookupResponse } from '@ghostfolio/common/interfaces';
 import type { RequestWithUser } from '@ghostfolio/common/types';
 
@@ -97,7 +97,7 @@ export class SymbolController {
     @Param('dataSource') dataSource: DataSource,
     @Param('dateString') dateString: string,
     @Param('symbol') symbol: string
-  ): Promise<IDataProviderHistoricalResponse> {
+  ): Promise<DataProviderHistoricalResponse> {
     const date = parseISO(dateString);
 
     if (!isDate(date)) {
diff --git a/apps/api/src/app/symbol/symbol.service.ts b/apps/api/src/app/symbol/symbol.service.ts
index 56befb9b6..9eac234c9 100644
--- a/apps/api/src/app/symbol/symbol.service.ts
+++ b/apps/api/src/app/symbol/symbol.service.ts
@@ -1,7 +1,7 @@
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
 import {
-  IDataGatheringItem,
-  IDataProviderHistoricalResponse
+  DataGatheringItem,
+  DataProviderHistoricalResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { MarketDataService } from '@ghostfolio/api/services/market-data/market-data.service';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
@@ -27,7 +27,7 @@ export class SymbolService {
     dataGatheringItem,
     includeHistoricalData
   }: {
-    dataGatheringItem: IDataGatheringItem;
+    dataGatheringItem: DataGatheringItem;
     includeHistoricalData?: number;
   }): Promise<SymbolItem> {
     const quotes = await this.dataProviderService.getQuotes({
@@ -75,10 +75,10 @@ export class SymbolService {
     dataSource,
     date = new Date(),
     symbol
-  }: IDataGatheringItem): Promise<IDataProviderHistoricalResponse> {
+  }: DataGatheringItem): Promise<DataProviderHistoricalResponse> {
     let historicalData: {
       [symbol: string]: {
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       };
     } = {
       [symbol]: {}
diff --git a/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts b/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts
index 1e8f7eefa..1e631f8c8 100644
--- a/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts
+++ b/apps/api/src/services/data-provider/alpha-vantage/alpha-vantage.service.ts
@@ -8,8 +8,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { DEFAULT_CURRENCY } from '@ghostfolio/common/config';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
@@ -23,7 +23,7 @@ import { DataSource, SymbolProfile } from '@prisma/client';
 import * as Alphavantage from 'alphavantage';
 import { format, isAfter, isBefore, parse } from 'date-fns';
 
-import { IAlphaVantageHistoricalResponse } from './interfaces/interfaces';
+import { AlphaVantageHistoricalResponse } from './interfaces/interfaces';
 
 @Injectable()
 export class AlphaVantageService implements DataProviderInterface {
@@ -68,11 +68,11 @@ export class AlphaVantageService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     try {
       const historicalData: {
-        [symbol: string]: IAlphaVantageHistoricalResponse[];
+        [symbol: string]: AlphaVantageHistoricalResponse[];
       } = await this.alphaVantage.crypto.daily(
         symbol
           .substring(0, symbol.length - DEFAULT_CURRENCY.length)
@@ -81,7 +81,7 @@ export class AlphaVantageService implements DataProviderInterface {
       );
 
       const response: {
-        [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+        [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
       } = {};
 
       response[symbol] = {};
@@ -115,7 +115,7 @@ export class AlphaVantageService implements DataProviderInterface {
   }
 
   public async getQuotes({}: GetQuotesParams): Promise<{
-    [symbol: string]: IDataProviderResponse;
+    [symbol: string]: DataProviderResponse;
   }> {
     return {};
   }
diff --git a/apps/api/src/services/data-provider/alpha-vantage/interfaces/interfaces.ts b/apps/api/src/services/data-provider/alpha-vantage/interfaces/interfaces.ts
index d954f3a75..897351df1 100644
--- a/apps/api/src/services/data-provider/alpha-vantage/interfaces/interfaces.ts
+++ b/apps/api/src/services/data-provider/alpha-vantage/interfaces/interfaces.ts
@@ -1 +1 @@
-export interface IAlphaVantageHistoricalResponse {}
+export interface AlphaVantageHistoricalResponse {}
diff --git a/apps/api/src/services/data-provider/coingecko/coingecko.service.ts b/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
index 561d7d6db..e06cb6ab3 100644
--- a/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
+++ b/apps/api/src/services/data-provider/coingecko/coingecko.service.ts
@@ -8,8 +8,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { DEFAULT_CURRENCY } from '@ghostfolio/common/config';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
@@ -109,7 +109,7 @@ export class CoinGeckoService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     try {
       const { error, prices, status } = await fetch(
@@ -133,7 +133,7 @@ export class CoinGeckoService implements DataProviderInterface {
       }
 
       const result: {
-        [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+        [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
       } = {
         [symbol]: {}
       };
@@ -166,8 +166,8 @@ export class CoinGeckoService implements DataProviderInterface {
   public async getQuotes({
     requestTimeout = this.configurationService.get('REQUEST_TIMEOUT'),
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
-    const response: { [symbol: string]: IDataProviderResponse } = {};
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
+    const response: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return response;
diff --git a/apps/api/src/services/data-provider/data-provider.service.ts b/apps/api/src/services/data-provider/data-provider.service.ts
index 6d6054287..53ef5c5e4 100644
--- a/apps/api/src/services/data-provider/data-provider.service.ts
+++ b/apps/api/src/services/data-provider/data-provider.service.ts
@@ -2,8 +2,8 @@ import { RedisCacheService } from '@ghostfolio/api/app/redis-cache/redis-cache.s
 import { ConfigurationService } from '@ghostfolio/api/services/configuration/configuration.service';
 import { DataProviderInterface } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { MarketDataService } from '@ghostfolio/api/services/market-data/market-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
@@ -215,10 +215,10 @@ export class DataProviderService implements OnModuleInit {
     from: Date,
     to: Date
   ): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     let response: {
-      [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+      [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
     } = {};
 
     if (isEmpty(aItems) || !isValid(from) || !isValid(to)) {
@@ -284,7 +284,7 @@ export class DataProviderService implements OnModuleInit {
     from: Date;
     to: Date;
   }): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     for (const { currency, rootCurrency } of DERIVED_CURRENCIES) {
       if (
@@ -317,11 +317,11 @@ export class DataProviderService implements OnModuleInit {
     );
 
     const result: {
-      [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+      [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
     } = {};
 
     const promises: Promise<{
-      data: { [date: string]: IDataProviderHistoricalResponse };
+      data: { [date: string]: DataProviderHistoricalResponse };
       symbol: string;
     }>[] = [];
     for (const { dataSource, symbol } of assetProfileIdentifiers) {
@@ -329,7 +329,7 @@ export class DataProviderService implements OnModuleInit {
       if (dataProvider.canHandle(symbol)) {
         if (symbol === `${DEFAULT_CURRENCY}USX`) {
           const data: {
-            [date: string]: IDataProviderHistoricalResponse;
+            [date: string]: DataProviderHistoricalResponse;
           } = {};
 
           for (const date of eachDayOfInterval({ end: to, start: from })) {
@@ -399,10 +399,10 @@ export class DataProviderService implements OnModuleInit {
     useCache?: boolean;
     user?: UserWithSettings;
   }): Promise<{
-    [symbol: string]: IDataProviderResponse;
+    [symbol: string]: DataProviderResponse;
   }> {
     const response: {
-      [symbol: string]: IDataProviderResponse;
+      [symbol: string]: DataProviderResponse;
     } = {};
     const startTimeTotal = performance.now();
 
@@ -716,7 +716,7 @@ export class DataProviderService implements OnModuleInit {
   }: {
     allData: {
       data: {
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       };
       symbol: string;
     }[];
@@ -728,7 +728,7 @@ export class DataProviderService implements OnModuleInit {
     })?.data;
 
     const data: {
-      [date: string]: IDataProviderHistoricalResponse;
+      [date: string]: DataProviderHistoricalResponse;
     } = {};
 
     for (const date in rootData) {
diff --git a/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts b/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
index c18ec193f..b837b2e6f 100644
--- a/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
+++ b/apps/api/src/services/data-provider/eod-historical-data/eod-historical-data.service.ts
@@ -8,8 +8,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile/symbol-profile.service';
 import {
@@ -89,7 +89,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
     symbol,
     to
   }: GetDividendsParams): Promise<{
-    [date: string]: IDataProviderHistoricalResponse;
+    [date: string]: DataProviderHistoricalResponse;
   }> {
     symbol = this.convertToEodSymbol(symbol);
 
@@ -99,7 +99,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
 
     try {
       const response: {
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       } = {};
 
       const historicalResult = await fetch(
@@ -141,7 +141,7 @@ export class EodHistoricalDataService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     symbol = this.convertToEodSymbol(symbol);
 
@@ -198,8 +198,8 @@ export class EodHistoricalDataService implements DataProviderInterface {
   public async getQuotes({
     requestTimeout = this.configurationService.get('REQUEST_TIMEOUT'),
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
-    const response: { [symbol: string]: IDataProviderResponse } = {};
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
+    const response: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return response;
diff --git a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
index 689f59fec..0caad99ca 100644
--- a/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
+++ b/apps/api/src/services/data-provider/financial-modeling-prep/financial-modeling-prep.service.ts
@@ -9,8 +9,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import {
@@ -245,7 +245,7 @@ export class FinancialModelingPrepService implements DataProviderInterface {
 
     try {
       const response: {
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       } = {};
 
       const dividends = await fetch(
@@ -289,11 +289,11 @@ export class FinancialModelingPrepService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     const MAX_YEARS_PER_REQUEST = 5;
     const result: {
-      [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+      [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
     } = {
       [symbol]: {}
     };
@@ -353,8 +353,8 @@ export class FinancialModelingPrepService implements DataProviderInterface {
   public async getQuotes({
     requestTimeout = this.configurationService.get('REQUEST_TIMEOUT'),
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
-    const response: { [symbol: string]: IDataProviderResponse } = {};
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
+    const response: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return response;
diff --git a/apps/api/src/services/data-provider/ghostfolio/ghostfolio.service.ts b/apps/api/src/services/data-provider/ghostfolio/ghostfolio.service.ts
index ca8d72827..9928af8eb 100644
--- a/apps/api/src/services/data-provider/ghostfolio/ghostfolio.service.ts
+++ b/apps/api/src/services/data-provider/ghostfolio/ghostfolio.service.ts
@@ -9,8 +9,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
 import {
@@ -111,10 +111,10 @@ export class GhostfolioService implements DataProviderInterface {
     symbol,
     to
   }: GetDividendsParams): Promise<{
-    [date: string]: IDataProviderHistoricalResponse;
+    [date: string]: DataProviderHistoricalResponse;
   }> {
     let dividends: {
-      [date: string]: IDataProviderHistoricalResponse;
+      [date: string]: DataProviderHistoricalResponse;
     } = {};
 
     try {
@@ -164,7 +164,7 @@ export class GhostfolioService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     try {
       const response = await fetch(
@@ -228,9 +228,9 @@ export class GhostfolioService implements DataProviderInterface {
     requestTimeout = this.configurationService.get('REQUEST_TIMEOUT'),
     symbols
   }: GetQuotesParams): Promise<{
-    [symbol: string]: IDataProviderResponse;
+    [symbol: string]: DataProviderResponse;
   }> {
-    let quotes: { [symbol: string]: IDataProviderResponse } = {};
+    let quotes: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return quotes;
diff --git a/apps/api/src/services/data-provider/google-sheets/google-sheets.service.ts b/apps/api/src/services/data-provider/google-sheets/google-sheets.service.ts
index 111f2d004..fc188c345 100644
--- a/apps/api/src/services/data-provider/google-sheets/google-sheets.service.ts
+++ b/apps/api/src/services/data-provider/google-sheets/google-sheets.service.ts
@@ -8,8 +8,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile/symbol-profile.service';
@@ -60,7 +60,7 @@ export class GoogleSheetsService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     try {
       const sheet = await this.getSheet({
@@ -71,7 +71,7 @@ export class GoogleSheetsService implements DataProviderInterface {
       const rows = await sheet.getRows();
 
       const historicalData: {
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       } = {};
 
       rows
@@ -104,8 +104,8 @@ export class GoogleSheetsService implements DataProviderInterface {
 
   public async getQuotes({
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
-    const response: { [symbol: string]: IDataProviderResponse } = {};
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
+    const response: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return response;
diff --git a/apps/api/src/services/data-provider/interfaces/data-provider.interface.ts b/apps/api/src/services/data-provider/interfaces/data-provider.interface.ts
index 475205a01..38eb62a2b 100644
--- a/apps/api/src/services/data-provider/interfaces/data-provider.interface.ts
+++ b/apps/api/src/services/data-provider/interfaces/data-provider.interface.ts
@@ -1,6 +1,6 @@
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import {
   DataProviderInfo,
@@ -26,7 +26,7 @@ export interface DataProviderInterface {
     symbol,
     to
   }: GetDividendsParams): Promise<{
-    [date: string]: IDataProviderHistoricalResponse;
+    [date: string]: DataProviderHistoricalResponse;
   }>;
 
   getHistorical({
@@ -36,7 +36,7 @@ export interface DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }>; // TODO: Return only one symbol
 
   getMaxNumberOfSymbolsPerRequest?(): number;
@@ -46,7 +46,7 @@ export interface DataProviderInterface {
   getQuotes({
     requestTimeout,
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }>;
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }>;
 
   getTestSymbol(): string;
 
diff --git a/apps/api/src/services/data-provider/manual/manual.service.ts b/apps/api/src/services/data-provider/manual/manual.service.ts
index c411f678b..00c28d9d2 100644
--- a/apps/api/src/services/data-provider/manual/manual.service.ts
+++ b/apps/api/src/services/data-provider/manual/manual.service.ts
@@ -8,8 +8,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile/symbol-profile.service';
@@ -77,7 +77,7 @@ export class ManualService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     try {
       const [symbolProfile] = await this.symbolProfileService.getSymbolProfiles(
@@ -88,7 +88,7 @@ export class ManualService implements DataProviderInterface {
 
       if (defaultMarketPrice) {
         const historical: {
-          [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+          [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
         } = {
           [symbol]: {}
         };
@@ -132,8 +132,8 @@ export class ManualService implements DataProviderInterface {
 
   public async getQuotes({
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
-    const response: { [symbol: string]: IDataProviderResponse } = {};
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
+    const response: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return response;
diff --git a/apps/api/src/services/data-provider/rapid-api/interfaces/interfaces.ts b/apps/api/src/services/data-provider/rapid-api/interfaces/interfaces.ts
index 995fdb9d3..f87a22639 100644
--- a/apps/api/src/services/data-provider/rapid-api/interfaces/interfaces.ts
+++ b/apps/api/src/services/data-provider/rapid-api/interfaces/interfaces.ts
@@ -1 +1 @@
-export interface IRapidApiResponse {}
+export interface RapidApiResponse {}
diff --git a/apps/api/src/services/data-provider/rapid-api/rapid-api.service.ts b/apps/api/src/services/data-provider/rapid-api/rapid-api.service.ts
index 824f44328..4d22e0feb 100644
--- a/apps/api/src/services/data-provider/rapid-api/rapid-api.service.ts
+++ b/apps/api/src/services/data-provider/rapid-api/rapid-api.service.ts
@@ -8,8 +8,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import {
   ghostfolioFearAndGreedIndexSymbol,
@@ -59,7 +59,7 @@ export class RapidApiService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     try {
       if (
@@ -96,7 +96,7 @@ export class RapidApiService implements DataProviderInterface {
 
   public async getQuotes({
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
     if (symbols.length <= 0) {
       return {};
     }
diff --git a/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts b/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
index 390449d78..b36b0f215 100644
--- a/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
+++ b/apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts
@@ -10,8 +10,8 @@ import {
   GetSearchParams
 } from '@ghostfolio/api/services/data-provider/interfaces/data-provider.interface';
 import {
-  IDataProviderHistoricalResponse,
-  IDataProviderResponse
+  DataProviderHistoricalResponse,
+  DataProviderResponse
 } from '@ghostfolio/api/services/interfaces/interfaces';
 import { DEFAULT_CURRENCY } from '@ghostfolio/common/config';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
@@ -96,7 +96,7 @@ export class YahooFinanceService implements DataProviderInterface {
         )
       );
       const response: {
-        [date: string]: IDataProviderHistoricalResponse;
+        [date: string]: DataProviderHistoricalResponse;
       } = {};
 
       for (const historicalItem of historicalResult) {
@@ -124,7 +124,7 @@ export class YahooFinanceService implements DataProviderInterface {
     symbol,
     to
   }: GetHistoricalParams): Promise<{
-    [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+    [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
   }> {
     if (isSameDay(from, to)) {
       to = addDays(to, 1);
@@ -145,7 +145,7 @@ export class YahooFinanceService implements DataProviderInterface {
       );
 
       const response: {
-        [symbol: string]: { [date: string]: IDataProviderHistoricalResponse };
+        [symbol: string]: { [date: string]: DataProviderHistoricalResponse };
       } = {};
 
       response[symbol] = {};
@@ -183,8 +183,8 @@ export class YahooFinanceService implements DataProviderInterface {
 
   public async getQuotes({
     symbols
-  }: GetQuotesParams): Promise<{ [symbol: string]: IDataProviderResponse }> {
-    const response: { [symbol: string]: IDataProviderResponse } = {};
+  }: GetQuotesParams): Promise<{ [symbol: string]: DataProviderResponse }> {
+    const response: { [symbol: string]: DataProviderResponse } = {};
 
     if (symbols.length <= 0) {
       return response;
diff --git a/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts b/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts
index 433547c94..47c67c3de 100644
--- a/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts
+++ b/apps/api/src/services/exchange-rate-data/exchange-rate-data.service.ts
@@ -1,6 +1,6 @@
 import { LogPerformance } from '@ghostfolio/api/interceptors/performance-logging/performance-logging.interceptor';
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
-import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { MarketDataService } from '@ghostfolio/api/services/market-data/market-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
@@ -29,7 +29,7 @@ import ms from 'ms';
 @Injectable()
 export class ExchangeRateDataService {
   private currencies: string[] = [];
-  private currencyPairs: IDataGatheringItem[] = [];
+  private currencyPairs: DataGatheringItem[] = [];
   private exchangeRates: { [currencyPair: string]: number } = {};
 
   public constructor(
diff --git a/apps/api/src/services/interfaces/interfaces.ts b/apps/api/src/services/interfaces/interfaces.ts
index 0eaa149a3..7469754b5 100644
--- a/apps/api/src/services/interfaces/interfaces.ts
+++ b/apps/api/src/services/interfaces/interfaces.ts
@@ -6,11 +6,11 @@ import { MarketState } from '@ghostfolio/common/types';
 
 import { DataSource } from '@prisma/client';
 
-export interface IDataProviderHistoricalResponse {
+export interface DataProviderHistoricalResponse {
   marketPrice: number;
 }
 
-export interface IDataProviderResponse {
+export interface DataProviderResponse {
   currency: string;
   dataProviderInfo?: DataProviderInfo;
   dataSource: DataSource;
@@ -18,6 +18,6 @@ export interface IDataProviderResponse {
   marketState: MarketState;
 }
 
-export interface IDataGatheringItem extends AssetProfileIdentifier {
+export interface DataGatheringItem extends AssetProfileIdentifier {
   date?: Date;
 }
diff --git a/apps/api/src/services/market-data/market-data.service.ts b/apps/api/src/services/market-data/market-data.service.ts
index 58b9b09ec..38ad61663 100644
--- a/apps/api/src/services/market-data/market-data.service.ts
+++ b/apps/api/src/services/market-data/market-data.service.ts
@@ -1,6 +1,6 @@
 import { UpdateMarketDataDto } from '@ghostfolio/api/app/admin/update-market-data.dto';
 import { DateQuery } from '@ghostfolio/api/app/portfolio/interfaces/date-query.interface';
-import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { resetHours } from '@ghostfolio/common/helper';
 import { AssetProfileIdentifier } from '@ghostfolio/common/interfaces';
@@ -30,7 +30,7 @@ export class MarketDataService {
     dataSource,
     date = new Date(),
     symbol
-  }: IDataGatheringItem): Promise<MarketData> {
+  }: DataGatheringItem): Promise<MarketData> {
     return await this.prismaService.marketData.findFirst({
       where: {
         dataSource,
diff --git a/apps/api/src/services/queues/data-gathering/data-gathering.processor.ts b/apps/api/src/services/queues/data-gathering/data-gathering.processor.ts
index 9cf6f63e6..1a172f3ea 100644
--- a/apps/api/src/services/queues/data-gathering/data-gathering.processor.ts
+++ b/apps/api/src/services/queues/data-gathering/data-gathering.processor.ts
@@ -1,6 +1,6 @@
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
 import { AssetProfileDelistedError } from '@ghostfolio/api/services/data-provider/errors/asset-profile-delisted.error';
-import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { MarketDataService } from '@ghostfolio/api/services/market-data/market-data.service';
 import { SymbolProfileService } from '@ghostfolio/api/services/symbol-profile/symbol-profile.service';
 import {
@@ -99,7 +99,7 @@ export class DataGatheringProcessor {
     ),
     name: GATHER_HISTORICAL_MARKET_DATA_PROCESS_JOB_NAME
   })
-  public async gatherHistoricalMarketData(job: Job<IDataGatheringItem>) {
+  public async gatherHistoricalMarketData(job: Job<DataGatheringItem>) {
     const { dataSource, date, symbol } = job.data;
 
     try {
diff --git a/apps/api/src/services/queues/data-gathering/data-gathering.service.ts b/apps/api/src/services/queues/data-gathering/data-gathering.service.ts
index dd93e3e47..2d3ec45ad 100644
--- a/apps/api/src/services/queues/data-gathering/data-gathering.service.ts
+++ b/apps/api/src/services/queues/data-gathering/data-gathering.service.ts
@@ -1,7 +1,7 @@
 import { DataProviderService } from '@ghostfolio/api/services/data-provider/data-provider.service';
 import { DataEnhancerInterface } from '@ghostfolio/api/services/data-provider/interfaces/data-enhancer.interface';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
-import { IDataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataGatheringItem } from '@ghostfolio/api/services/interfaces/interfaces';
 import { MarketDataService } from '@ghostfolio/api/services/market-data/market-data.service';
 import { PrismaService } from '@ghostfolio/api/services/prisma/prisma.service';
 import { PropertyService } from '@ghostfolio/api/services/property/property.service';
@@ -94,7 +94,7 @@ export class DataGatheringService {
     });
   }
 
-  public async gatherSymbol({ dataSource, date, symbol }: IDataGatheringItem) {
+  public async gatherSymbol({ dataSource, date, symbol }: DataGatheringItem) {
     await this.marketDataService.deleteMany({ dataSource, symbol });
 
     const dataGatheringItems = (await this.getSymbolsMax())
@@ -276,7 +276,7 @@ export class DataGatheringService {
     dataGatheringItems,
     priority
   }: {
-    dataGatheringItems: IDataGatheringItem[];
+    dataGatheringItems: DataGatheringItem[];
     priority: number;
   }) {
     await this.addJobsToQueue(
@@ -348,7 +348,7 @@ export class DataGatheringService {
       });
   }
 
-  private async getCurrencies7D(): Promise<IDataGatheringItem[]> {
+  private async getCurrencies7D(): Promise<DataGatheringItem[]> {
     const assetProfileIdentifiersWithCompleteMarketData =
       await this.getAssetProfileIdentifiersWithCompleteMarketData();
 
@@ -376,7 +376,7 @@ export class DataGatheringService {
     withUserSubscription = false
   }: {
     withUserSubscription?: boolean;
-  }): Promise<IDataGatheringItem[]> {
+  }): Promise<DataGatheringItem[]> {
     const symbolProfiles =
       await this.symbolProfileService.getActiveSymbolProfilesByUserSubscription(
         {
@@ -407,7 +407,7 @@ export class DataGatheringService {
       });
   }
 
-  private async getSymbolsMax(): Promise<IDataGatheringItem[]> {
+  private async getSymbolsMax(): Promise<DataGatheringItem[]> {
     const benchmarkAssetProfileIdMap: { [key: string]: boolean } = {};
     (
       (await this.propertyService.getByKey<BenchmarkProperty[]>(
diff --git a/apps/api/src/services/queues/portfolio-snapshot/interfaces/portfolio-snapshot-queue-job.interface.ts b/apps/api/src/services/queues/portfolio-snapshot/interfaces/portfolio-snapshot-queue-job.interface.ts
index b9f315c5d..3486974f7 100644
--- a/apps/api/src/services/queues/portfolio-snapshot/interfaces/portfolio-snapshot-queue-job.interface.ts
+++ b/apps/api/src/services/queues/portfolio-snapshot/interfaces/portfolio-snapshot-queue-job.interface.ts
@@ -1,7 +1,7 @@
 import { Filter } from '@ghostfolio/common/interfaces';
 import { PerformanceCalculationType } from '@ghostfolio/common/types/performance-calculation-type.type';
 
-export interface IPortfolioSnapshotQueueJob {
+export interface PortfolioSnapshotQueueJob {
   calculationType: PerformanceCalculationType;
   filters: Filter[];
   userCurrency: string;
diff --git a/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.processor.ts b/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.processor.ts
index 6a2a3114e..75a3a8631 100644
--- a/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.processor.ts
+++ b/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.processor.ts
@@ -16,7 +16,7 @@ import { Injectable, Logger } from '@nestjs/common';
 import { Job } from 'bull';
 import { addMilliseconds } from 'date-fns';
 
-import { IPortfolioSnapshotQueueJob } from './interfaces/portfolio-snapshot-queue-job.interface';
+import { PortfolioSnapshotQueueJob } from './interfaces/portfolio-snapshot-queue-job.interface';
 
 @Injectable()
 @Processor(PORTFOLIO_SNAPSHOT_COMPUTATION_QUEUE)
@@ -37,9 +37,7 @@ export class PortfolioSnapshotProcessor {
     ),
     name: PORTFOLIO_SNAPSHOT_PROCESS_JOB_NAME
   })
-  public async calculatePortfolioSnapshot(
-    job: Job<IPortfolioSnapshotQueueJob>
-  ) {
+  public async calculatePortfolioSnapshot(job: Job<PortfolioSnapshotQueueJob>) {
     try {
       const startTime = performance.now();
 
diff --git a/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.mock.ts b/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.mock.ts
index 59fdc5855..898718106 100644
--- a/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.mock.ts
+++ b/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.mock.ts
@@ -1,13 +1,13 @@
 import { Job, JobOptions } from 'bull';
 import { setTimeout } from 'timers/promises';
 
-import { IPortfolioSnapshotQueueJob } from './interfaces/portfolio-snapshot-queue-job.interface';
+import { PortfolioSnapshotQueueJob } from './interfaces/portfolio-snapshot-queue-job.interface';
 
 export const PortfolioSnapshotServiceMock = {
   addJobToQueue({
     opts
   }: {
-    data: IPortfolioSnapshotQueueJob;
+    data: PortfolioSnapshotQueueJob;
     name: string;
     opts?: JobOptions;
   }): Promise<Job<any>> {
diff --git a/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.ts b/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.ts
index 9dba9275e..d7449a9cc 100644
--- a/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.ts
+++ b/apps/api/src/services/queues/portfolio-snapshot/portfolio-snapshot.service.ts
@@ -4,7 +4,7 @@ import { InjectQueue } from '@nestjs/bull';
 import { Injectable } from '@nestjs/common';
 import { JobOptions, Queue } from 'bull';
 
-import { IPortfolioSnapshotQueueJob } from './interfaces/portfolio-snapshot-queue-job.interface';
+import { PortfolioSnapshotQueueJob } from './interfaces/portfolio-snapshot-queue-job.interface';
 
 @Injectable()
 export class PortfolioSnapshotService {
@@ -18,7 +18,7 @@ export class PortfolioSnapshotService {
     name,
     opts
   }: {
-    data: IPortfolioSnapshotQueueJob;
+    data: PortfolioSnapshotQueueJob;
     name: string;
     opts?: JobOptions;
   }) {
diff --git a/apps/client/src/app/components/rule/rule-settings-dialog/interfaces/interfaces.ts b/apps/client/src/app/components/rule/rule-settings-dialog/interfaces/interfaces.ts
index 51c2b8951..90a0039cf 100644
--- a/apps/client/src/app/components/rule/rule-settings-dialog/interfaces/interfaces.ts
+++ b/apps/client/src/app/components/rule/rule-settings-dialog/interfaces/interfaces.ts
@@ -3,7 +3,7 @@ import {
   XRayRulesSettings
 } from '@ghostfolio/common/interfaces';
 
-export interface IRuleSettingsDialogParams {
+export interface RuleSettingsDialogParams {
   categoryName: string;
   locale: string;
   rule: PortfolioReportRule;
diff --git a/apps/client/src/app/components/rule/rule-settings-dialog/rule-settings-dialog.component.ts b/apps/client/src/app/components/rule/rule-settings-dialog/rule-settings-dialog.component.ts
index f8ce13e0d..65300c6d8 100644
--- a/apps/client/src/app/components/rule/rule-settings-dialog/rule-settings-dialog.component.ts
+++ b/apps/client/src/app/components/rule/rule-settings-dialog/rule-settings-dialog.component.ts
@@ -12,7 +12,7 @@ import {
 } from '@angular/material/dialog';
 import { MatSliderModule } from '@angular/material/slider';
 
-import { IRuleSettingsDialogParams } from './interfaces/interfaces';
+import { RuleSettingsDialogParams } from './interfaces/interfaces';
 
 @Component({
   imports: [
@@ -31,7 +31,7 @@ export class GfRuleSettingsDialogComponent {
   public settings: XRayRulesSettings['AccountClusterRiskCurrentInvestment'];
 
   public constructor(
-    @Inject(MAT_DIALOG_DATA) public data: IRuleSettingsDialogParams,
+    @Inject(MAT_DIALOG_DATA) public data: RuleSettingsDialogParams,
     public dialogRef: MatDialogRef<GfRuleSettingsDialogComponent>
   ) {}
 }
diff --git a/apps/client/src/app/components/rule/rule.component.ts b/apps/client/src/app/components/rule/rule.component.ts
index c38de8bbb..ba77ce162 100644
--- a/apps/client/src/app/components/rule/rule.component.ts
+++ b/apps/client/src/app/components/rule/rule.component.ts
@@ -31,7 +31,7 @@ import { DeviceDetectorService } from 'ngx-device-detector';
 import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
 import { Subject, takeUntil } from 'rxjs';
 
-import { IRuleSettingsDialogParams } from './rule-settings-dialog/interfaces/interfaces';
+import { RuleSettingsDialogParams } from './rule-settings-dialog/interfaces/interfaces';
 import { GfRuleSettingsDialogComponent } from './rule-settings-dialog/rule-settings-dialog.component';
 
 @Component({
@@ -83,7 +83,7 @@ export class GfRuleComponent implements OnInit {
         rule,
         categoryName: this.categoryName,
         settings: this.settings
-      } as IRuleSettingsDialogParams,
+      } as RuleSettingsDialogParams,
       width: this.deviceType === 'mobile' ? '100vw' : '50rem'
     });
 
diff --git a/apps/client/src/app/core/notification/alert-dialog/alert-dialog.component.ts b/apps/client/src/app/core/notification/alert-dialog/alert-dialog.component.ts
index 98b6043eb..33d26c493 100644
--- a/apps/client/src/app/core/notification/alert-dialog/alert-dialog.component.ts
+++ b/apps/client/src/app/core/notification/alert-dialog/alert-dialog.component.ts
@@ -2,7 +2,7 @@ import { Component } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatDialogModule, MatDialogRef } from '@angular/material/dialog';
 
-import { IAlertDialogParams } from './interfaces/interfaces';
+import { AlertDialogParams } from './interfaces/interfaces';
 
 @Component({
   imports: [MatButtonModule, MatDialogModule],
@@ -17,7 +17,7 @@ export class GfAlertDialogComponent {
 
   public constructor(public dialogRef: MatDialogRef<GfAlertDialogComponent>) {}
 
-  public initialize(aParams: IAlertDialogParams) {
+  public initialize(aParams: AlertDialogParams) {
     this.discardLabel = aParams.discardLabel;
     this.message = aParams.message;
     this.title = aParams.title;
diff --git a/apps/client/src/app/core/notification/alert-dialog/interfaces/interfaces.ts b/apps/client/src/app/core/notification/alert-dialog/interfaces/interfaces.ts
index 7cff077a7..835056ba7 100644
--- a/apps/client/src/app/core/notification/alert-dialog/interfaces/interfaces.ts
+++ b/apps/client/src/app/core/notification/alert-dialog/interfaces/interfaces.ts
@@ -1,4 +1,4 @@
-export interface IAlertDialogParams {
+export interface AlertDialogParams {
   confirmLabel?: string;
   discardLabel?: string;
   message?: string;
diff --git a/apps/client/src/app/core/notification/confirmation-dialog/confirmation-dialog.component.ts b/apps/client/src/app/core/notification/confirmation-dialog/confirmation-dialog.component.ts
index 88e5113d7..49c6dc5a3 100644
--- a/apps/client/src/app/core/notification/confirmation-dialog/confirmation-dialog.component.ts
+++ b/apps/client/src/app/core/notification/confirmation-dialog/confirmation-dialog.component.ts
@@ -3,7 +3,7 @@ import { MatButtonModule } from '@angular/material/button';
 import { MatDialogModule, MatDialogRef } from '@angular/material/dialog';
 
 import { ConfirmationDialogType } from './confirmation-dialog.type';
-import { IConfirmDialogParams } from './interfaces/interfaces';
+import { ConfirmDialogParams } from './interfaces/interfaces';
 
 @Component({
   imports: [MatButtonModule, MatDialogModule],
@@ -29,7 +29,7 @@ export class GfConfirmationDialogComponent {
     }
   }
 
-  public initialize(aParams: IConfirmDialogParams) {
+  public initialize(aParams: ConfirmDialogParams) {
     this.confirmLabel = aParams.confirmLabel;
     this.confirmType = aParams.confirmType;
     this.discardLabel = aParams.discardLabel;
diff --git a/apps/client/src/app/core/notification/confirmation-dialog/interfaces/interfaces.ts b/apps/client/src/app/core/notification/confirmation-dialog/interfaces/interfaces.ts
index 834988ceb..8788e54fe 100644
--- a/apps/client/src/app/core/notification/confirmation-dialog/interfaces/interfaces.ts
+++ b/apps/client/src/app/core/notification/confirmation-dialog/interfaces/interfaces.ts
@@ -1,6 +1,6 @@
 import { ConfirmationDialogType } from '../confirmation-dialog.type';
 
-export interface IConfirmDialogParams {
+export interface ConfirmDialogParams {
   confirmLabel?: string;
   confirmType: ConfirmationDialogType;
   discardLabel?: string;
diff --git a/apps/client/src/app/core/notification/interfaces/interfaces.ts b/apps/client/src/app/core/notification/interfaces/interfaces.ts
index f3546d457..c58c7fa28 100644
--- a/apps/client/src/app/core/notification/interfaces/interfaces.ts
+++ b/apps/client/src/app/core/notification/interfaces/interfaces.ts
@@ -1,13 +1,13 @@
 import { ConfirmationDialogType } from '../confirmation-dialog/confirmation-dialog.type';
 
-export interface IAlertParams {
+export interface AlertParams {
   discardFn?: () => void;
   discardLabel?: string;
   message?: string;
   title: string;
 }
 
-export interface IConfirmParams {
+export interface ConfirmParams {
   confirmFn: () => void;
   confirmLabel?: string;
   confirmType?: ConfirmationDialogType;
@@ -18,7 +18,7 @@ export interface IConfirmParams {
   title: string;
 }
 
-export interface IPromptParams {
+export interface PromptParams {
   confirmFn: (value: string) => void;
   confirmLabel?: string;
   defaultValue?: string;
diff --git a/apps/client/src/app/core/notification/notification.service.ts b/apps/client/src/app/core/notification/notification.service.ts
index 1b58db64a..9c31aa7bd 100644
--- a/apps/client/src/app/core/notification/notification.service.ts
+++ b/apps/client/src/app/core/notification/notification.service.ts
@@ -8,9 +8,9 @@ import { GfAlertDialogComponent } from './alert-dialog/alert-dialog.component';
 import { GfConfirmationDialogComponent } from './confirmation-dialog/confirmation-dialog.component';
 import { ConfirmationDialogType } from './confirmation-dialog/confirmation-dialog.type';
 import {
-  IAlertParams,
-  IConfirmParams,
-  IPromptParams
+  AlertParams,
+  ConfirmParams,
+  PromptParams
 } from './interfaces/interfaces';
 import { GfPromptDialogComponent } from './prompt-dialog/prompt-dialog.component';
 
@@ -21,7 +21,7 @@ export class NotificationService {
 
   public constructor(private matDialog: MatDialog) {}
 
-  public alert(aParams: IAlertParams) {
+  public alert(aParams: AlertParams) {
     if (!aParams.discardLabel) {
       aParams.discardLabel = translate('CLOSE');
     }
@@ -45,7 +45,7 @@ export class NotificationService {
     });
   }
 
-  public confirm(aParams: IConfirmParams) {
+  public confirm(aParams: ConfirmParams) {
     if (!aParams.confirmLabel) {
       aParams.confirmLabel = translate('YES');
     }
@@ -78,7 +78,7 @@ export class NotificationService {
     });
   }
 
-  public prompt(aParams: IPromptParams) {
+  public prompt(aParams: PromptParams) {
     if (!aParams.confirmLabel) {
       aParams.confirmLabel = translate('OK');
     }
diff --git a/apps/client/src/app/services/admin.service.ts b/apps/client/src/app/services/admin.service.ts
index 6a90bc4df..a04ad8d56 100644
--- a/apps/client/src/app/services/admin.service.ts
+++ b/apps/client/src/app/services/admin.service.ts
@@ -1,7 +1,7 @@
 import { UpdateAssetProfileDto } from '@ghostfolio/api/app/admin/update-asset-profile.dto';
 import { CreatePlatformDto } from '@ghostfolio/api/app/platform/create-platform.dto';
 import { UpdatePlatformDto } from '@ghostfolio/api/app/platform/update-platform.dto';
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 import {
   HEADER_KEY_SKIP_INTERCEPTOR,
   HEADER_KEY_TOKEN
@@ -208,7 +208,7 @@ export class AdminService {
   }) {
     const url = `/api/v1/symbol/${dataSource}/${symbol}/${dateString}`;
 
-    return this.http.get<IDataProviderHistoricalResponse>(url);
+    return this.http.get<DataProviderHistoricalResponse>(url);
   }
 
   public patchAssetProfile(
diff --git a/apps/client/src/app/services/data.service.ts b/apps/client/src/app/services/data.service.ts
index 3cb5a8c75..74d21bf41 100644
--- a/apps/client/src/app/services/data.service.ts
+++ b/apps/client/src/app/services/data.service.ts
@@ -19,7 +19,7 @@ import { DeleteOwnUserDto } from '@ghostfolio/api/app/user/delete-own-user.dto';
 import { UserItem } from '@ghostfolio/api/app/user/interfaces/user-item.interface';
 import { UpdateOwnAccessTokenDto } from '@ghostfolio/api/app/user/update-own-access-token.dto';
 import { UpdateUserSettingDto } from '@ghostfolio/api/app/user/update-user-setting.dto';
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 import { PropertyDto } from '@ghostfolio/api/services/property/property.dto';
 import { DATE_FORMAT } from '@ghostfolio/common/helper';
 import {
@@ -291,7 +291,7 @@ export class DataService {
     date: Date;
     symbol: string;
   }) {
-    return this.http.get<IDataProviderHistoricalResponse>(
+    return this.http.get<DataProviderHistoricalResponse>(
       `/api/v1/exchange-rate/${symbol}/${format(date, DATE_FORMAT, { in: utc })}`
     );
   }
diff --git a/libs/common/src/lib/interfaces/responses/dividends-response.interface.ts b/libs/common/src/lib/interfaces/responses/dividends-response.interface.ts
index f7cacf89a..15afc54c9 100644
--- a/libs/common/src/lib/interfaces/responses/dividends-response.interface.ts
+++ b/libs/common/src/lib/interfaces/responses/dividends-response.interface.ts
@@ -1,7 +1,7 @@
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 
 export interface DividendsResponse {
   dividends: {
-    [date: string]: IDataProviderHistoricalResponse;
+    [date: string]: DataProviderHistoricalResponse;
   };
 }
diff --git a/libs/common/src/lib/interfaces/responses/historical-response.interface.ts b/libs/common/src/lib/interfaces/responses/historical-response.interface.ts
index 12309a352..24383ab07 100644
--- a/libs/common/src/lib/interfaces/responses/historical-response.interface.ts
+++ b/libs/common/src/lib/interfaces/responses/historical-response.interface.ts
@@ -1,7 +1,7 @@
-import { IDataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderHistoricalResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 
 export interface HistoricalResponse {
   historicalData: {
-    [date: string]: IDataProviderHistoricalResponse;
+    [date: string]: DataProviderHistoricalResponse;
   };
 }
diff --git a/libs/common/src/lib/interfaces/responses/quotes-response.interface.ts b/libs/common/src/lib/interfaces/responses/quotes-response.interface.ts
index 79c9d3024..8b9b09cb8 100644
--- a/libs/common/src/lib/interfaces/responses/quotes-response.interface.ts
+++ b/libs/common/src/lib/interfaces/responses/quotes-response.interface.ts
@@ -1,5 +1,5 @@
-import { IDataProviderResponse } from '@ghostfolio/api/services/interfaces/interfaces';
+import { DataProviderResponse } from '@ghostfolio/api/services/interfaces/interfaces';
 
 export interface QuotesResponse {
-  quotes: { [symbol: string]: IDataProviderResponse };
+  quotes: { [symbol: string]: DataProviderResponse };
 }
diff --git a/libs/ui/src/lib/assistant/assistant-list-item/assistant-list-item.component.ts b/libs/ui/src/lib/assistant/assistant-list-item/assistant-list-item.component.ts
index f75aaea01..f9034df71 100644
--- a/libs/ui/src/lib/assistant/assistant-list-item/assistant-list-item.component.ts
+++ b/libs/ui/src/lib/assistant/assistant-list-item/assistant-list-item.component.ts
@@ -18,8 +18,8 @@ import { Params, RouterModule } from '@angular/router';
 
 import { SearchMode } from '../enums/search-mode';
 import {
-  IAssetSearchResultItem,
-  ISearchResultItem
+  AssetSearchResultItem,
+  SearchResultItem
 } from '../interfaces/interfaces';
 
 @Component({
@@ -37,7 +37,7 @@ export class GfAssistantListItemComponent
     return this.hasFocus;
   }
 
-  @Input() item: ISearchResultItem;
+  @Input() item: SearchResultItem;
 
   @Output() clicked = new EventEmitter<void>();
 
@@ -86,7 +86,7 @@ export class GfAssistantListItemComponent
     this.changeDetectorRef.markForCheck();
   }
 
-  public isAsset(item: ISearchResultItem): item is IAssetSearchResultItem {
+  public isAsset(item: SearchResultItem): item is AssetSearchResultItem {
     return (
       (item.mode === SearchMode.ASSET_PROFILE ||
         item.mode === SearchMode.HOLDING) &&
diff --git a/libs/ui/src/lib/assistant/assistant.component.ts b/libs/ui/src/lib/assistant/assistant.component.ts
index 3fc1cc232..8c04c306f 100644
--- a/libs/ui/src/lib/assistant/assistant.component.ts
+++ b/libs/ui/src/lib/assistant/assistant.component.ts
@@ -65,9 +65,9 @@ import { translate } from '../i18n';
 import { GfAssistantListItemComponent } from './assistant-list-item/assistant-list-item.component';
 import { SearchMode } from './enums/search-mode';
 import {
-  IDateRangeOption,
-  ISearchResultItem,
-  ISearchResults
+  DateRangeOption,
+  SearchResultItem,
+  SearchResults
 } from './interfaces/interfaces';
 
 @Component({
@@ -144,7 +144,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
   public accounts: Account[] = [];
   public assetClasses: Filter[] = [];
   public dateRangeFormControl = new FormControl<string>(undefined);
-  public dateRangeOptions: IDateRangeOption[] = [];
+  public dateRangeOptions: DateRangeOption[] = [];
   public filterForm = this.formBuilder.group({
     account: new FormControl<string>(undefined),
     assetClass: new FormControl<string>(undefined),
@@ -161,7 +161,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
   public isOpen = false;
   public placeholder = $localize`Find account, holding or page...`;
   public searchFormControl = new FormControl('');
-  public searchResults: ISearchResults = {
+  public searchResults: SearchResults = {
     accounts: [],
     assetProfiles: [],
     holdings: [],
@@ -229,7 +229,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
             assetProfiles: [],
             holdings: [],
             quickLinks: []
-          } as ISearchResults;
+          } as SearchResults;
 
           if (!searchTerm) {
             return of(results).pipe(
@@ -245,7 +245,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
           }
 
           // Accounts
-          const accounts$: Observable<Partial<ISearchResults>> =
+          const accounts$: Observable<Partial<SearchResults>> =
             this.searchAccounts(searchTerm).pipe(
               map((accounts) => ({
                 accounts: accounts.slice(
@@ -255,7 +255,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
               })),
               catchError((error) => {
                 console.error('Error fetching accounts for assistant:', error);
-                return of({ accounts: [] as ISearchResultItem[] });
+                return of({ accounts: [] as SearchResultItem[] });
               }),
               tap(() => {
                 this.isLoading.accounts = false;
@@ -264,7 +264,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
             );
 
           // Asset profiles
-          const assetProfiles$: Observable<Partial<ISearchResults>> = this
+          const assetProfiles$: Observable<Partial<SearchResults>> = this
             .hasPermissionToAccessAdminControl
             ? this.searchAssetProfiles(searchTerm).pipe(
                 map((assetProfiles) => ({
@@ -278,14 +278,14 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
                     'Error fetching asset profiles for assistant:',
                     error
                   );
-                  return of({ assetProfiles: [] as ISearchResultItem[] });
+                  return of({ assetProfiles: [] as SearchResultItem[] });
                 }),
                 tap(() => {
                   this.isLoading.assetProfiles = false;
                   this.changeDetectorRef.markForCheck();
                 })
               )
-            : of({ assetProfiles: [] as ISearchResultItem[] }).pipe(
+            : of({ assetProfiles: [] as SearchResultItem[] }).pipe(
                 tap(() => {
                   this.isLoading.assetProfiles = false;
                   this.changeDetectorRef.markForCheck();
@@ -293,7 +293,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
               );
 
           // Holdings
-          const holdings$: Observable<Partial<ISearchResults>> =
+          const holdings$: Observable<Partial<SearchResults>> =
             this.searchHoldings(searchTerm).pipe(
               map((holdings) => ({
                 holdings: holdings.slice(
@@ -303,7 +303,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
               })),
               catchError((error) => {
                 console.error('Error fetching holdings for assistant:', error);
-                return of({ holdings: [] as ISearchResultItem[] });
+                return of({ holdings: [] as SearchResultItem[] });
               }),
               tap(() => {
                 this.isLoading.holdings = false;
@@ -312,7 +312,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
             );
 
           // Quick links
-          const quickLinks$: Observable<Partial<ISearchResults>> = of(
+          const quickLinks$: Observable<Partial<SearchResults>> = of(
             this.searchQuickLinks(searchTerm)
           ).pipe(
             map((quickLinks) => ({
@@ -330,7 +330,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
           // Merge all results
           return merge(accounts$, assetProfiles$, holdings$, quickLinks$).pipe(
             scan(
-              (acc: ISearchResults, curr: Partial<ISearchResults>) => ({
+              (acc: SearchResults, curr: Partial<SearchResults>) => ({
                 ...acc,
                 ...curr
               }),
@@ -339,7 +339,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
                 assetProfiles: [],
                 holdings: [],
                 quickLinks: []
-              } as ISearchResults
+              } as SearchResults
             )
           );
         }),
@@ -658,7 +658,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
     }, this.PRESELECTION_DELAY);
   }
 
-  private searchAccounts(aSearchTerm: string): Observable<ISearchResultItem[]> {
+  private searchAccounts(aSearchTerm: string): Observable<SearchResultItem[]> {
     return this.dataService
       .fetchAccounts({
         filters: [
@@ -688,7 +688,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
 
   private searchAssetProfiles(
     aSearchTerm: string
-  ): Observable<ISearchResultItem[]> {
+  ): Observable<SearchResultItem[]> {
     return this.adminService
       .fetchAdminMarketData({
         filters: [
@@ -721,7 +721,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
       );
   }
 
-  private searchHoldings(aSearchTerm: string): Observable<ISearchResultItem[]> {
+  private searchHoldings(aSearchTerm: string): Observable<SearchResultItem[]> {
     return this.dataService
       .fetchPortfolioHoldings({
         filters: [
@@ -753,7 +753,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
       );
   }
 
-  private searchQuickLinks(aSearchTerm: string): ISearchResultItem[] {
+  private searchQuickLinks(aSearchTerm: string): SearchResultItem[] {
     const searchTerm = aSearchTerm.toLowerCase();
 
     const allRoutes = Object.values(internalRoutes)
diff --git a/libs/ui/src/lib/assistant/interfaces/interfaces.ts b/libs/ui/src/lib/assistant/interfaces/interfaces.ts
index 247641094..e018e0eb6 100644
--- a/libs/ui/src/lib/assistant/interfaces/interfaces.ts
+++ b/libs/ui/src/lib/assistant/interfaces/interfaces.ts
@@ -3,38 +3,38 @@ import { AccountWithValue, DateRange } from '@ghostfolio/common/types';
 
 import { SearchMode } from '../enums/search-mode';
 
-export interface IAccountSearchResultItem
+export interface AccountSearchResultItem
   extends Pick<AccountWithValue, 'id' | 'name'> {
   mode: SearchMode.ACCOUNT;
   routerLink: string[];
 }
 
-export interface IAssetSearchResultItem extends AssetProfileIdentifier {
+export interface AssetSearchResultItem extends AssetProfileIdentifier {
   assetSubClassString: string;
   currency: string;
   mode: SearchMode.ASSET_PROFILE | SearchMode.HOLDING;
   name: string;
 }
 
-export interface IDateRangeOption {
+export interface DateRangeOption {
   label: string;
   value: DateRange;
 }
 
-export interface IQuickLinkSearchResultItem {
+export interface QuickLinkSearchResultItem {
   mode: SearchMode.QUICK_LINK;
   name: string;
   routerLink: string[];
 }
 
-export type ISearchResultItem =
-  | IAccountSearchResultItem
-  | IAssetSearchResultItem
-  | IQuickLinkSearchResultItem;
+export type SearchResultItem =
+  | AccountSearchResultItem
+  | AssetSearchResultItem
+  | QuickLinkSearchResultItem;
 
-export interface ISearchResults {
-  accounts: ISearchResultItem[];
-  assetProfiles: ISearchResultItem[];
-  holdings: ISearchResultItem[];
-  quickLinks: ISearchResultItem[];
+export interface SearchResults {
+  accounts: SearchResultItem[];
+  assetProfiles: SearchResultItem[];
+  holdings: SearchResultItem[];
+  quickLinks: SearchResultItem[];
 }