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.
+10.2%
Total Return
$11,015
Ending Value
+11.6%
CAGR
-48.3%
Max Drawdown
0.51
Sharpe
43%
Win Rate
7
Trades
78%
Time in Market
BETA · SMA Crossover Long & Short turned $10,000 into $11,015 (+10.2%) vs buy & hold $6,431 (-35.7%) over 2025-11-04→2026-09-24 — it beat buy & hold by 45.8%, worst drawdown 48% (vs 63%) · 4 short trades.

Equity curve — $10,000 invested

222 trading days
+74%-62%■ strategy■ buy & hold

Recent trades

long & short round-trips
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