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.
-9.4%
Total Return
$9,059
Ending Value
-4.8%
CAGR
-61.7%
Max Drawdown
0.11
Sharpe
29%
Win Rate
7
Trades
90%
Time in Market
ATI · SMA Crossover Long & Short turned $10,000 into $9,059 (-9.4%) vs buy & hold $28,225 (+182.2%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 191.7%, worst drawdown 62% (vs 38%) · 3 short trades.

Equity curve — $10,000 invested

501 trading days
+207%-61%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2025-10-022026-07-31 (open)LONG+127.1%
2025-08-122025-10-02SHORT-9.3%
2025-05-072025-08-12LONG+8.2%
2025-03-122025-05-07SHORT-36.9%
2025-02-042025-03-12LONG-20.0%
2024-10-292025-02-04SHORT-12.1%
2024-10-102024-10-29LONG-9.7%
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

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