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.
-101.7%
Total Return
$-166
Ending Value
-100.0%
CAGR
-102.3%
Max Drawdown
0.56
Sharpe
80%
Win Rate
5
Trades
90%
Time in Market
CODX · SMA Crossover Long & Short turned $10,000 into $-166 (-101.7%) vs buy & hold $432 (-95.7%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 6.0%, worst drawdown 102% (vs 98%) · 3 short trades.

Equity curve — $10,000 invested

501 trading days
+355%-120%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-07-082026-07-31 (open)SHORT+45.5%
2026-05-222026-07-08LONG-47.9%
2025-11-242026-05-22SHORT+49.4%
2025-08-262025-11-24LONG+7.1%
2024-10-102025-08-26SHORT+75.4%
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