diff --git a/.prettierignore b/.prettierignore
index 47a053eee..d086b6ff4 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,3 +1,7 @@
 /.nx/cache
+
+# Issue: https://github.com/prettier/prettier/issues/15650
+/apps/client/src/app/components/portfolio-summary/portfolio-summary.component.html
+
 /dist
 /test/import
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10761c797..0ccfda047 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Added a hint for _Time-Weighted Rate of Return_ (TWR) to the portfolio summary tab on the home page
 - Added support for REST APIs (`JSON`) via the scraper configuration
 - Enabled the _Redis_ authentication in the `docker-compose` files
 
diff --git a/README.md b/README.md
index dc5f2d25f..0ea5eef22 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ Ghostfolio is for you if you are...
 
 - ✅ Create, update and delete transactions
 - ✅ Multi account management
-- ✅ Portfolio performance for `Today`, `YTD`, `1Y`, `5Y`, `Max`
+- ✅ Portfolio performance: Time-weighted rate of return (TWR) for `Today`, `YTD`, `1Y`, `5Y`, `Max`
 - ✅ Various charts
 - ✅ Static analysis to identify potential risks in your portfolio
 - ✅ Import and export transactions
diff --git a/apps/client/src/app/components/portfolio-summary/portfolio-summary.component.html b/apps/client/src/app/components/portfolio-summary/portfolio-summary.component.html
index aaf9bfb73..d8207cf73 100644
--- a/apps/client/src/app/components/portfolio-summary/portfolio-summary.component.html
+++ b/apps/client/src/app/components/portfolio-summary/portfolio-summary.component.html
@@ -69,7 +69,10 @@
     </div>
   </div>
   <div class="flex-nowrap px-3 py-1 row">
-    <div class="flex-grow-1 ml-3 text-truncate" i18n>Gross Performance</div>
+    <div class="align-items-center d-flex flex-grow-1 ml-3 text-truncate">
+      <ng-container i18n>Gross Performance</ng-container>
+      <abbr class="initialism ml-2 text-muted" title="Time-Weighted Rate of Return">(TWR)</abbr>
+    </div>
     <div class="flex-column flex-wrap justify-content-end">
       <gf-value
         class="justify-content-end"
@@ -112,7 +115,10 @@
     </div>
   </div>
   <div class="flex-nowrap px-3 py-1 row">
-    <div class="flex-grow-1 text-truncate ml-3" i18n>Net Performance</div>
+    <div class="flex-grow-1 text-truncate ml-3">
+      <ng-container i18n>Net Performance</ng-container>
+      <abbr class="initialism ml-2 text-muted" title="Time-Weighted Rate of Return">(TWR)</abbr>
+    </div>
     <div class="flex-column flex-wrap justify-content-end">
       <gf-value
         class="justify-content-end"