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.

Fast MASlow MAFastSlowSignalRSI lenBuy<Sell>PeriodStd×Lookbackno parametersMorning momentum: breakout → pullback holds → confirmation. Fixed rules, no parameters; real 0DTE option prices. Ignores the cost/stop/range fields below. Best on SPY/QQQ/IWM.
Direction lets you trade short too. Cost = bps per trade; stop-loss exits after that % adverse move (0 = off). "Compare all" runs every strategy.
+76.7%
Total Return
$17,673
Ending Value
+33.2%
CAGR
-52.0%
Max Drawdown
0.78
Sharpe
57%
Win Rate
7
Trades
90%
Time in Market
ALGT · SMA Crossover Long & Short turned $10,000 into $17,673 (+76.7%) vs buy & hold $19,683 (+96.8%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 20.1%, worst drawdown 52% (vs 61%) · 3 short trades.

Equity curve — $10,000 invested

501 trading days
+194%-25%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-06-042026-07-31 (open)LONG+16.1%
2026-03-162026-06-04SHORT-13.1%
2025-08-252026-03-16LONG+25.3%
2025-07-142025-08-25SHORT-9.9%
2025-05-192025-07-14LONG-1.6%
2025-02-212025-05-19SHORT+32.5%
2024-10-102025-02-21LONG+42.4%
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

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