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.
+2.4%
Total Return
$10,242
Ending Value
+1.2%
CAGR
-35.2%
Max Drawdown
0.17
Sharpe
33%
Win Rate
12
Trades
90%
Time in Market
AMT · SMA Crossover Long & Short turned $10,000 into $10,242 (+2.4%) vs buy & hold $7,606 (-23.9%) over 2024-08-01→2026-07-31 — it beat buy & hold by 26.4%, worst drawdown 35% (vs 33%) · 6 short trades.

Equity curve — $10,000 invested

501 trading days
+51%-28%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-07-022026-07-31 (open)SHORT-4.4%
2026-05-192026-07-02LONG-9.3%
2026-05-152026-05-19SHORT-7.2%
2026-05-132026-05-15LONG-1.9%
2026-03-272026-05-13SHORT-2.6%
2026-02-092026-03-27LONG-2.4%
2025-08-122026-02-09SHORT+15.1%
2025-06-262025-08-12LONG-5.9%
2025-05-292025-06-26SHORT-1.8%
2025-02-202025-05-29LONG+11.1%
2024-10-172025-02-20SHORT+14.2%
2024-10-102024-10-17LONG+2.9%
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

All pages

Catalyst EdgeCongressNewsEarningsSEC FilingsHedge FundsLockupsPositioningMarket cycleBacktestOptionsSourcesGlossaryAbout & API