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.
+7.7%
Total Return
$10,774
Ending Value
+3.8%
CAGR
-29.0%
Max Drawdown
0.27
Sharpe
50%
Win Rate
8
Trades
90%
Time in Market
CMCSA · SMA Crossover Long & Short turned $10,000 into $10,774 (+7.7%) vs buy & hold $6,350 (-36.5%) over 2024-08-01→2026-07-31 — it beat buy & hold by 44.2%, worst drawdown 29% (vs 48%) · 4 short trades.
Equity curve — $10,000 invested
501 trading daysRecent trades
long & short round-trips| Entry | Exit | Side | Return |
|---|---|---|---|
| 2026-03-26 | 2026-07-31 (open) | SHORT | +16.6% |
| 2025-12-26 | 2026-03-26 | LONG | +3.3% |
| 2025-07-30 | 2025-12-26 | SHORT | +8.7% |
| 2025-06-04 | 2025-07-30 | LONG | -5.6% |
| 2025-04-16 | 2025-06-04 | SHORT | -2.7% |
| 2025-03-21 | 2025-04-16 | LONG | -8.7% |
| 2024-12-13 | 2025-03-21 | SHORT | +7.9% |
| 2024-10-10 | 2024-12-13 | LONG | -2.9% |
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