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.
-143.7%
Total Return
$-4,370
Ending Value
-100.0%
CAGR
-176.2%
Max Drawdown
-0.45
Sharpe
50%
Win Rate
2
Trades
72%
Time in Market
GCDT · SMA Crossover Long & Short turned $10,000 into $-4,370 (-143.7%) vs buy & hold $1,591 (-84.1%) over 2026-01-13→2026-09-24 — it trailed buy & hold by 59.6%, worst drawdown 176% (vs 94%) · 1 short trade.

Equity curve — $10,000 invested

175 trading days
+36%-204%■ strategy■ buy & hold

Recent trades

long & short round-trips
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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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