Add hint about delayed market data

apps/client/src/app/components/home-market/home-market.html

@@ -36,6 +36,14 @@
         [locale]="user?.settings?.locale || undefined"
         [user]="user"
       />
+      @if (benchmarks?.length > 0) {
+        <div class="mt-3 text-center">
+          <small class="text-muted" i18n>
+            Calculations are based on delayed market data and may not be
+            displayed in real-time.</small
+          >
+        </div>
+      }
     </div>
   </div>
 </div>