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.
+67.9%
Total Return
$16,793
Ending Value
+29.8%
CAGR
-26.1%
Max Drawdown
0.94
Sharpe
62%
Win Rate
8
Trades
90%
Time in Market
CAT · SMA Crossover Long & Short turned $10,000 into $16,793 (+67.9%) vs buy & hold $24,578 (+145.8%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 77.9%, worst drawdown 26% (vs 34%) · 4 short trades.

Equity curve — $10,000 invested

501 trading days
+208%-18%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-07-282026-07-31 (open)SHORT+3.1%
2026-04-162026-07-28LONG+8.8%
2026-03-272026-04-16SHORT-11.1%
2025-05-192026-03-27LONG+97.2%
2025-02-192025-05-19SHORT+0.1%
2025-02-102025-02-19LONG-2.8%
2024-12-232025-02-10SHORT+0.6%
2024-10-102024-12-23LONG-7.9%
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

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