Strategy backtester
Test any of 20 strategies on any ticker — long, short, or both — against free historical prices, and compare to buy & hold. Set trading cost and a stop-loss for a realistic run. Historical simulation only (dividends not modeled); past performance is not indicative of future results, and this is analysis, not advice.
-15.2%
Total Return
$8,480
Ending Value
-8.0%
CAGR
-51.1%
Max Drawdown
-0.17
Sharpe
27%
Win Rate
11
Trades
90%
Time in Market
COFS · SMA Crossover Long & Short turned $10,000 into $8,480 (-15.2%) vs buy & hold $12,384 (+23.8%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 39.0%, worst drawdown 51% (vs 33%) · 5 short trades.
Equity curve — $10,000 invested
501 trading daysRecent trades
long & short round-trips| Entry | Exit | Side | Return |
|---|---|---|---|
| 2026-04-17 | 2026-07-31 (open) | LONG | +10.0% |
| 2026-03-09 | 2026-04-17 | SHORT | -10.7% |
| 2026-03-02 | 2026-03-09 | LONG | -5.0% |
| 2026-01-13 | 2026-03-02 | SHORT | -6.3% |
| 2025-11-14 | 2026-01-13 | LONG | -7.1% |
| 2025-10-02 | 2025-11-14 | SHORT | -6.0% |
| 2025-07-21 | 2025-10-02 | LONG | -4.3% |
| 2025-06-30 | 2025-07-21 | SHORT | -2.3% |
| 2025-05-14 | 2025-06-30 | LONG | -4.5% |
| 2025-01-08 | 2025-05-14 | SHORT | +11.2% |
| 2024-10-10 | 2025-01-08 | LONG | +16.0% |
Alt-Data Signal Hub · showing live market data, fetched the moment this page loaded · market & option prices are always live on load · display-only, not advice