Task/improve performance of historical data count in market data table of admin control (#8214)

* Improve performance of historical data count

* Update changelog

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Improved the performance of the historical market data table of the admin control panel by counting the market data per asset profile
+
 ## 3.91.0 - 2026-10-23
 
 ### Added

apps/api/src/app/endpoints/asset-profiles/asset-profiles.service.ts

@@ -256,11 +256,6 @@ export class AssetProfilesService {
       return type;
     });
 
-    const marketDataItems = await this.prismaService.marketData.groupBy({
-      _count: true,
-      by: ['dataSource', 'symbol']
-    });
-
     if (filterByAssetSubClass) {
       where.assetSubClass = AssetSubClass[filterByAssetSubClass.id];
     }
@@ -378,13 +373,12 @@ export class AssetProfilesService {
           await this.marketDataService.getLatest({ dataSource, symbol })
         )?.marketPrice;
 
-        const marketDataItemCount =
-          marketDataItems.find((marketDataItem) => {
-            return (
-              marketDataItem.dataSource === dataSource &&
-              marketDataItem.symbol === symbol
-            );
-          })?._count ?? 0;
+        const marketDataItemCount = await this.prismaService.marketData.count({
+          where: {
+            dataSource,
+            symbol
+          }
+        });
 
         const sectorsCount = sectors ? Object.keys(sectors).length : 0;
 
@@ -521,11 +515,6 @@ export class AssetProfilesService {
   private async getAssetProfilesForCurrencies(): Promise<AssetProfilesResponse> {
     const currencyPairs = this.exchangeRateDataService.getCurrencyPairs();
 
-    const marketDataItems = await this.prismaService.marketData.groupBy({
-      _count: true,
-      by: ['dataSource', 'symbol']
-    });
-
     const assetProfilePromises: Promise<AssetProfileItem>[] = currencyPairs.map(
       async ({ dataSource, symbol }) => {
         let activitiesCount: EnhancedAssetProfile['activitiesCount'] = 0;
@@ -542,13 +531,12 @@ export class AssetProfilesService {
           await this.marketDataService.getLatest({ dataSource, symbol })
         )?.marketPrice;
 
-        const marketDataItemCount =
-          marketDataItems.find((marketDataItem) => {
-            return (
-              marketDataItem.dataSource === dataSource &&
-              marketDataItem.symbol === symbol
-            );
-          })?._count ?? 0;
+        const marketDataItemCount = await this.prismaService.marketData.count({
+          where: {
+            dataSource,
+            symbol
+          }
+        });
 
         return {
           activitiesCount,