Tool · Backtester
Portfolio backtester
Pick a lazy portfolio and a starting dollar amount; the chart replays five years of monthly total returns on that allocation, rebalanced monthly. CAGR and max drawdown summarize the run.
Ending value
$14,073
60 months of history
CAGR
7.1%
Annualized
Max drawdown
-20.9%
Peak-to-trough
Methodology
Monthly total returns come from yfinance adjusted closes, which include reinvested dividends. The backtest applies the target allocation at each month-end and rebalances on every step — equivalent to monthly rebalance with zero transaction cost.
History covers 2021-09 → 2026-09 (61 months). Tickers without history in this window are excluded; weights of remaining slices renormalize to 100%. Past performance is not a forecast of future results — backtests over a 5-year window are illustrative, not predictive.
Backtest. Past performance is not a forecast of future results. Five years is a short window — any conclusion drawn from this chart should account for the specific market environment of 2021–2026 and not be generalized.
PlainIndex publishes data and editorial commentary — nothing here is personalized investment advice. Read themethodologyfor how the scores referenced elsewhere on the site are computed.