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.
-4.6%
Total Return
$9,543
Ending Value
-2.3%
CAGR
-23.7%
Max Drawdown
0.02
Sharpe
33%
Win Rate
9
Trades
90%
Time in Market
GIS · SMA Crossover Long & Short turned $10,000 into $9,543 (-4.6%) vs buy & hold $5,283 (-47.2%) over 2024-08-01→2026-07-31 — it beat buy & hold by 42.6%, worst drawdown 24% (vs 57%) · 4 short trades.

Equity curve — $10,000 invested

501 trading days
+20%-52%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-07-012026-07-31 (open)LONG-5.3%
2026-03-102026-07-01SHORT+10.7%
2026-02-122026-03-10LONG-13.0%
2025-10-172026-02-12SHORT-0.4%
2025-09-242025-10-17LONG-5.3%
2025-04-042025-09-24SHORT+14.3%
2025-03-112025-04-04LONG-4.4%
2024-10-222025-03-11SHORT+9.8%
2024-10-102024-10-22LONG-3.1%
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

All pages

Catalyst EdgeCongressNewsEarningsSEC FilingsHedge FundsLockupsPositioningMarket cycleBacktestOptionsSourcesGlossaryAbout & API