Bugfix/resolve error when fetching dividends from Yahoo Finance for date ranges without events (#7612)

* Resolve error when fetching dividends for date ranges without events

* Update changelog

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Refreshed the cryptocurrencies list
 
+### Fixed
+
+- Resolved an error when fetching dividends from _Yahoo Finance_ for date ranges without events
+
 ## 3.49.0 - 2026-08-12
 
 ### Changed

apps/api/src/services/data-provider/data-provider.service.ts

@@ -340,7 +340,13 @@ export class DataProviderService implements OnModuleInit {
     from: Date;
     granularity: Granularity;
     to: Date;
-  } & AssetProfileIdentifier) {
+  } & AssetProfileIdentifier): Promise<{
+    [date: string]: DataProviderHistoricalResponse;
+  }> {
+    if (!isValid(from) || !isValid(to)) {
+      return {};
+    }
+
     return this.getDataProvider(DataSource[dataSource]).getDividends({
       from,
       granularity,

apps/api/src/services/data-provider/yahoo-finance/yahoo-finance.service.ts

@@ -22,6 +22,7 @@ import {
 import { Injectable, Logger } from '@nestjs/common';
 import { DataSource, SymbolProfile } from '@prisma/client';
 import { addDays, format, isSameDay } from 'date-fns';
+import { ReasonPhrases, StatusCodes } from 'http-status-codes';
 import { uniqBy } from 'lodash';
 import YahooFinance from 'yahoo-finance2';
 import { ChartResultArray } from 'yahoo-finance2/esm/src/modules/chart';
@@ -41,6 +42,12 @@ import { SearchQuoteNonYahoo } from 'yahoo-finance2/esm/src/modules/search';
 
 @Injectable()
 export class YahooFinanceService implements DataProviderInterface {
+  private static readonly DELISTED_ERROR_MESSAGE =
+    'No data found, symbol may be delisted';
+
+  private static readonly RATE_LIMIT_ERROR_MESSAGE =
+    ReasonPhrases.TOO_MANY_REQUESTS;
+
   private readonly logger = new Logger(YahooFinanceService.name);
 
   private readonly yahooFinance = new YahooFinance({
@@ -77,10 +84,6 @@ export class YahooFinanceService implements DataProviderInterface {
     symbol,
     to
   }: GetDividendsParams) {
-    if (isSameDay(from, to)) {
-      to = addDays(to, 1);
-    }
-
     try {
       const historicalResult = this.convertToDividendResult(
         await this.yahooFinance.chart(
@@ -91,7 +94,10 @@ export class YahooFinanceService implements DataProviderInterface {
             events: 'dividends',
             interval: granularity === 'month' ? '1mo' : '1d',
             period1: format(from, DATE_FORMAT),
-            period2: format(to, DATE_FORMAT)
+            period2: format(
+              isSameDay(from, to) ? addDays(to, 1) : to,
+              DATE_FORMAT
+            )
           }
         )
       );
@@ -107,12 +113,26 @@ export class YahooFinanceService implements DataProviderInterface {
 
       return response;
     } catch (error) {
-      this.logger.error(
+      const message = `Could not get dividends for ${symbol} (${this.getName()}) from ${format(
-        `Could not get dividends for ${symbol} (${this.getName()}) from ${format(
         from,
         DATE_FORMAT
-        )} to ${format(to, DATE_FORMAT)}: [${error.name}] ${error.message}`
+      )} to ${format(to, DATE_FORMAT)}`;
+
+      if (error?.message === YahooFinanceService.DELISTED_ERROR_MESSAGE) {
+        this.logger.warn(
+          `${message}: ${YahooFinanceService.DELISTED_ERROR_MESSAGE}`
         );
+      } else if (
+        (error?.name === 'HTTPError' &&
+          error?.code === StatusCodes.TOO_MANY_REQUESTS) ||
+        error?.message?.startsWith(YahooFinanceService.RATE_LIMIT_ERROR_MESSAGE)
+      ) {
+        this.logger.warn(
+          `${message}: ${YahooFinanceService.RATE_LIMIT_ERROR_MESSAGE}`
+        );
+      } else {
+        this.logger.error(`${message}: [${error?.name}] ${error?.message}`);
+      }
 
       return {};
     }
@@ -125,10 +145,6 @@ export class YahooFinanceService implements DataProviderInterface {
   }: GetHistoricalParams): Promise<{
     [date: string]: DataProviderHistoricalResponse;
   }> {
-    if (isSameDay(from, to)) {
-      to = addDays(to, 1);
-    }
-
     try {
       const historicalResult = this.convertToHistoricalResult(
         await this.yahooFinance.chart(
@@ -138,7 +154,10 @@ export class YahooFinanceService implements DataProviderInterface {
           {
             interval: '1d',
             period1: format(from, DATE_FORMAT),
-            period2: format(to, DATE_FORMAT)
+            period2: format(
+              isSameDay(from, to) ? addDays(to, 1) : to,
+              DATE_FORMAT
+            )
           }
         )
       );
@@ -155,7 +174,7 @@ export class YahooFinanceService implements DataProviderInterface {
 
       return response;
     } catch (error) {
-      if (error.message === 'No data found, symbol may be delisted') {
+      if (error?.message === YahooFinanceService.DELISTED_ERROR_MESSAGE) {
         throw new AssetProfileDelistedError(
           `No data found, ${symbol} (${this.getName()}) may be delisted`
         );
@@ -164,7 +183,7 @@ export class YahooFinanceService implements DataProviderInterface {
           `Could not get historical market data for ${symbol} (${this.getName()}) from ${format(
             from,
             DATE_FORMAT
-          )} to ${format(to, DATE_FORMAT)}: [${error.name}] ${error.message}`
+          )} to ${format(to, DATE_FORMAT)}: [${error?.name}] ${error?.message}`
         );
       }
     }
@@ -343,9 +362,11 @@ export class YahooFinanceService implements DataProviderInterface {
   private convertToDividendResult(
     result: ChartResultArray
   ): HistoricalDividendsResult {
-    return result.events.dividends.map(({ amount: dividends, date }) => {
+    return (result.events?.dividends ?? []).map(
+      ({ amount: dividends, date }) => {
         return { date, dividends };
-    });
+      }
+    );
   }
 
   private convertToHistoricalResult(