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.
-82.9%
Total Return
$1,715
Ending Value
-74.9%
CAGR
-89.5%
Max Drawdown
-1.09
Sharpe
38%
Win Rate
8
Trades
85%
Time in Market
CRCL · SMA Crossover Long & Short turned $10,000 into $1,715 (-82.9%) vs buy & hold $10,686 (+6.9%) over 2025-06-05→2026-09-15 — it trailed buy & hold by 89.7%, worst drawdown 90% (vs 81%) · 4 short trades.

Equity curve — $10,000 invested

321 trading days
+189%-83%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
•••••••••••••••••••• •••••••••••••••
••••••••••••••••••••••••••••••
••••••••••••••••••••••••••••••
•••••••••••••••••••••••••••••••
••••••••••••••••••••••••••••••
••••••••••••••••••••••••••••••
••••••••••••••••••••••••••••••
•••••••••••••••••••••••••••••••
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

Preview mode

Charts are live. Table data is hidden -- enter the password to see it.