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.
+3.0%
Total Return
$10,304
Ending Value
+1.5%
CAGR
-35.3%
Max Drawdown
0.19
Sharpe
57%
Win Rate
7
Trades
90%
Time in Market
CATY · SMA Crossover Long & Short turned $10,000 into $10,304 (+3.0%) vs buy & hold $14,939 (+49.4%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 46.3%, worst drawdown 35% (vs 31%) · 3 short trades.

Equity curve — $10,000 invested

501 trading days
+49%-12%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-04-172026-07-31 (open)LONG+16.5%
2026-03-122026-04-17SHORT-13.5%
2025-12-032026-03-12LONG-3.6%
2025-10-162025-12-03SHORT-9.2%
2025-05-142025-10-16LONG+2.5%
2025-01-022025-05-14SHORT+5.9%
2024-10-102025-01-02LONG+10.5%
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

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