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.
-33.4%
Total Return
$6,656
Ending Value
-18.5%
CAGR
-40.7%
Max Drawdown
-0.42
Sharpe
23%
Win Rate
13
Trades
90%
Time in Market
GRBK · SMA Crossover Long & Short turned $10,000 into $6,656 (-33.4%) vs buy & hold $9,705 (-3.0%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 30.5%, worst drawdown 41% (vs 36%) · 6 short trades.

Equity curve — $10,000 invested

501 trading days
+14%-34%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-06-112026-07-31 (open)LONG-3.2%
2026-05-222026-06-11SHORT-10.1%
2026-04-302026-05-22LONG-1.6%
2026-03-172026-04-30SHORT-2.9%
2026-01-082026-03-17LONG-2.8%
2025-12-312026-01-08SHORT-7.6%
2025-12-162025-12-31LONG-5.1%
2025-10-172025-12-16SHORT+1.9%
2025-05-132025-10-17LONG+6.7%
2025-03-202025-05-13SHORT-7.5%
2025-02-182025-03-20LONG-2.4%
2024-10-312025-02-18SHORT+12.9%
2024-10-102024-10-31LONG-10.3%
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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