From 38b5d73c757babdec4f2773b837e578a8d2c3a32 Mon Sep 17 00:00:00 2001
From: Aaryaman Vyas <163023807+AaryamanVyas@users.noreply.github.com>
Date: Wed, 26 Aug 2026 00:11:33 +0530
Subject: [PATCH] Bugfix/missing benchmark in performance chart for calendar
 year date ranges (#7631)

* Fix missing benchmark in performance chart for calendar year date ranges

* Update changelog
---
 CHANGELOG.md                                         |  1 +
 .../app/endpoints/benchmarks/benchmarks.service.ts   | 12 +++++++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29d0e85f1..a27af813e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed the missing benchmark in the performance chart for calendar year date ranges on the analysis page
 - Fixed the country mapping of Macau in the _Financial Modeling Prep_ service
 - Fixed the asset profile and historical market data gathering of a symbol getting blocked permanently by a failed job by discarding the failed jobs
 - Fixed the asset profile data gathering of a symbol in the admin control panel by removing an existing job before enqueueing a new one
diff --git a/apps/api/src/app/endpoints/benchmarks/benchmarks.service.ts b/apps/api/src/app/endpoints/benchmarks/benchmarks.service.ts
index 4b6a3f1c9..beff7ffa6 100644
--- a/apps/api/src/app/endpoints/benchmarks/benchmarks.service.ts
+++ b/apps/api/src/app/endpoints/benchmarks/benchmarks.service.ts
@@ -88,6 +88,12 @@ export class BenchmarksService {
       return { marketData };
     }
 
+    if (chart.length === 0) {
+      return { marketData };
+    }
+
+    const baselineDate = resetHours(parseDate(chart[0].date));
+
     const exchangeRates =
       await this.exchangeRateDataService.getExchangeRatesByCurrency({
         startDate,
@@ -97,17 +103,17 @@ export class BenchmarksService {
 
     const exchangeRateAtStartDate =
       exchangeRates[`${currentSymbolItem.currency}${userCurrency}`]?.[
-        format(startDate, DATE_FORMAT)
+        format(baselineDate, DATE_FORMAT)
       ];
 
     const marketPriceAtStartDate = marketDataItems?.find(({ date }) => {
-      return isSameDay(date, startDate);
+      return isSameDay(date, baselineDate);
     })?.marketPrice;
 
     if (!marketPriceAtStartDate) {
       this.logger.error(
         `No historical market data has been found for ${symbol} (${dataSource}) at ${format(
-          startDate,
+          baselineDate,
           DATE_FORMAT
         )}`
       );