From 7757daca3b0171ee55d153394125693e37298db0 Mon Sep 17 00:00:00 2001
From: mister-ideas <36502095+mister-ideas@users.noreply.github.com>
Date: Wed, 21 Oct 2026 10:54:00 +0200
Subject: [PATCH] Feature/hide the performance chart of the home overview if it
 has less than three data points

---
 .../components/home-overview/home-overview.component.ts   | 8 ++++++++
 .../src/app/components/home-overview/home-overview.html   | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/apps/client/src/app/components/home-overview/home-overview.component.ts b/apps/client/src/app/components/home-overview/home-overview.component.ts
index c7b880efce..fc33a10d0d 100644
--- a/apps/client/src/app/components/home-overview/home-overview.component.ts
+++ b/apps/client/src/app/components/home-overview/home-overview.component.ts
@@ -38,6 +38,8 @@ import { MatCardModule } from '@angular/material/card';
 import { Router, RouterModule } from '@angular/router';
 import { DeviceDetectorService } from 'ngx-device-detector';
 
+const MINIMUM_CHART_ITEMS = 3;
+
 @Component({
   changeDetection: ChangeDetectionStrategy.OnPush,
   imports: [
@@ -56,6 +58,12 @@ export class GfHomeOverviewComponent implements OnInit {
   protected readonly errors = signal<AssetProfileIdentifier[]>([]);
   protected readonly hasImpersonationId = signal(false);
   protected readonly historicalDataItems = signal<LineChartItem[] | null>(null);
+
+  // A line through only two points (e.g. the close of the previous day and
+  // now) is drawn as a misleading slope across the whole width
+  protected readonly hasEnoughChartData = computed(() => {
+    return (this.historicalDataItems()?.length ?? 0) >= MINIMUM_CHART_ITEMS;
+  });
   protected readonly holdings = signal<PortfolioPosition[] | undefined>(
     undefined
   );
diff --git a/apps/client/src/app/components/home-overview/home-overview.html b/apps/client/src/app/components/home-overview/home-overview.html
index 64789ddc7d..1d1110dc9e 100644
--- a/apps/client/src/app/components/home-overview/home-overview.html
+++ b/apps/client/src/app/components/home-overview/home-overview.html
@@ -72,7 +72,7 @@
             unit="%"
             [class.pe-3]="deviceType() === 'mobile'"
             [colorScheme]="user()?.settings?.colorScheme"
-            [hidden]="historicalDataItems()?.length === 0"
+            [hidden]="!hasEnoughChartData()"
             [historicalDataItems]="historicalDataItems()"
             [isAnimated]="user()?.settings?.dateRange === '1d' ? false : true"
             [label]="performanceLabel"