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.
-42.2%
Total Return
$5,784
Ending Value
-24.1%
CAGR
-45.8%
Max Drawdown
-0.35
Sharpe
27%
Win Rate
11
Trades
90%
Time in Market
ALGN · SMA Crossover Long & Short turned $10,000 into $5,784 (-42.2%) vs buy & hold $7,409 (-25.9%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 16.3%, worst drawdown 46% (vs 51%) · 5 short trades.
Equity curve — $10,000 invested
501 trading daysRecent trades
long & short round-trips| Entry | Exit | Side | Return |
|---|---|---|---|
| 2026-06-29 | 2026-07-31 (open) | LONG | -2.5% |
| 2026-05-18 | 2026-06-29 | SHORT | -9.2% |
| 2026-04-27 | 2026-05-18 | LONG | -14.0% |
| 2026-03-26 | 2026-04-27 | SHORT | -4.2% |
| 2025-11-04 | 2026-03-26 | LONG | +30.7% |
| 2025-08-06 | 2025-11-04 | SHORT | +0.9% |
| 2025-05-05 | 2025-08-06 | LONG | -22.9% |
| 2025-01-03 | 2025-05-05 | SHORT | +14.7% |
| 2024-12-04 | 2025-01-03 | LONG | -11.5% |
| 2024-10-21 | 2024-12-04 | SHORT | -8.6% |
| 2024-10-10 | 2024-10-21 | LONG | -5.7% |
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