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.
+531.5%
Total Return
$63,149
Ending Value
+191.6%
CAGR
-63.3%
Max Drawdown
1.45
Sharpe
60%
Win Rate
5
Trades
89%
Time in Market
AVAT · SMA Crossover Long & Short turned $10,000 into $63,149 (+531.5%) vs buy & hold $1,236 (-87.6%) over 2025-02-03→2026-10-23 — it beat buy & hold by 619.1%, worst drawdown 63% (vs 97%) · 2 short trades.

Equity curve — $10,000 invested

434 trading days
+1035%-97%■ strategy■ buy & hold

Recent trades

long & short round-trips
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