Free Portfolio Backtester
S&P 500 Backfill (estimated to 1871)1871-02-28 → 2026-06-30Estimated from 1871 to SPY's 1993 inception using the S&P 500 total-return index (Robert Shiller), minus the fund's expense ratio, then chain-linked to the real SPY fund. The dashed part of the chart is estimated - an index proxy, not the fund's real record.
%
backfill estimated before SPY's 1993 inception, from the S&P 500 total-return index (Robert Shiller).
Gold Backfill (estimated to 1968)1968-01-31 → 2026-06-30Estimated from 1968 to GLD's 2004 inception using the gold spot price (World Bank); gold was a fixed official price before the 1968 free market, minus the fund's expense ratio, then chain-linked to the real GLD fund. The dashed part of the chart is estimated - an index proxy, not the fund's real record.
%
backfill estimated before GLD's 2004 inception, from the gold spot price (World Bank); gold was a fixed official price before the 1968 free market.
Total 100%
Data window Portfolio 1: 1968-01-31 → 2026-06-30 · start: GOLDX
Dashed = estimated before the fund existed (reconstructed from its tracked index): GOLDX from 1968-01-31 · SP500X from 1871-02-28
Portfolio growth
Portfolio 1
CAGR10.57%
Max Drawdown-29.04%
Volatility11.34%
Sharpe0.56
Final balance$3,575,361
Total return35653.61%
Drawdown
Annual returns
More statistics
| Portfolio 1 | |
|---|---|
| Total Return | 35653.61% |
| Sortino | 0.81 |
| Best Year | 58.06% |
| Worst Year | -20.11% |
| Positive Months | 64.53% |
| Annualized Return (mean) | 10.73% |
Free portfolio backtesting
Backtest any portfolio of stocks, ETFs, gold, or crypto against decades of real market data, completely free. See CAGR, maximum drawdown, volatility, Sharpe and Sortino ratios, annual returns, and a growth chart with all dividends reinvested (total return). Build a dividend portfolio, compare multiple allocations side by side, set a benchmark, and model regular contributions and rebalancing.