Que fait-il ?
ReturnBench is a single-page tool that instantly tells you whether your investments are outperforming the market. Enter your starting investment, current value, and dates, pick a benchmark (S&P 500, Nasdaq, Bonds, Gold, or a custom rate), and get your annualized return, dollar gap, and a visual growth chart in seconds. Add an AI-generated plain-English verdict explaining your performance and what to consider next. No account, no spreadsheet, no guesswork — just a clear answer to 'am I actually winning?' All calculations run in your browser.
- Comparaison instantanée portefeuille vs. référence
- Comparez avec le S&P 500, le Nasdaq 100, les obligations, l'or, le 60/40, ou un taux personnalisé
- Graphique visuel de croissance : votre argent vs. le marché
- AI-generated plain-English performance insight
- One-click copy of results and AI analysis
- 100% client-side — your numbers never leave the browser
$9/mois
Par jour 3 utilisation gratuite. Illimité en abonnement ; paiement sécurisé avec Stripe, annulation en un clic.