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.
-41.0%
Total Return
$5,897
Ending Value
-23.3%
CAGR
-63.9%
Max Drawdown
-0.01
Sharpe
60%
Win Rate
10
Trades
90%
Time in Market
TNDM · SMA Crossover Long & Short turned $10,000 into $5,897 (-41.0%) vs buy & hold $5,425 (-45.8%) over 2024-10-23→2026-10-23 — it beat buy & hold by 4.7%, worst drawdown 64% (vs 73%) · 5 short trades.

Equity curve — $10,000 invested

502 trading days
+41%-66%■ strategy■ buy & hold

Recent trades

long & short round-trips
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