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.
-97.9%
Total Return
$205
Ending Value
-85.8%
CAGR
-98.5%
Max Drawdown
-0.96
Sharpe
25%
Win Rate
12
Trades
90%
Time in Market
ALDX · SMA Crossover Long & Short turned $10,000 into $205 (-97.9%) vs buy & hold $4,151 (-58.5%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 39.5%, worst drawdown 98% (vs 82%) · 6 short trades.
Equity curve — $10,000 invested
501 trading daysRecent trades
long & short round-trips| Entry | Exit | Side | Return |
|---|---|---|---|
| 2026-07-31 | 2026-07-31 (open) | SHORT | -0.0% |
| 2026-06-03 | 2026-07-31 | LONG | -17.2% |
| 2026-03-17 | 2026-06-03 | SHORT | -50.0% |
| 2026-02-06 | 2026-03-17 | LONG | -77.6% |
| 2025-09-25 | 2026-02-06 | SHORT | -11.7% |
| 2025-06-12 | 2025-09-25 | LONG | +68.9% |
| 2025-04-07 | 2025-06-12 | SHORT | -50.3% |
| 2025-01-21 | 2025-04-07 | LONG | -60.1% |
| 2025-01-17 | 2025-01-21 | SHORT | -1.0% |
| 2025-01-03 | 2025-01-17 | LONG | -11.2% |
| 2024-10-16 | 2025-01-03 | SHORT | +2.0% |
| 2024-10-10 | 2024-10-16 | LONG | +4.5% |
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