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.
-214.3%
Total Return
$-11,430
Ending Value
-100.0%
CAGR
-384.7%
Max Drawdown
-0.76
Sharpe
22%
Win Rate
9
Trades
90%
Time in Market
BIRD · SMA Crossover Long & Short turned $10,000 into $-11,430 (-214.3%) vs buy & hold $1,906 (-80.9%) over 2024-09-25→2026-09-24 — it trailed buy & hold by 133.4%, worst drawdown 385% (vs 87%) · 5 short trades.

Equity curve — $10,000 invested

500 trading days
+47%-519%■ strategy■ buy & hold

Recent trades

long & short round-trips
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