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.
-22.6%
Total Return
$7,744
Ending Value
-12.0%
CAGR
-33.8%
Max Drawdown
-0.42
Sharpe
36%
Win Rate
11
Trades
90%
Time in Market
NVS · SMA Crossover Long & Short turned $10,000 into $7,744 (-22.6%) vs buy & hold $13,227 (+32.3%) over 2024-10-23→2026-10-23 — it trailed buy & hold by 54.8%, worst drawdown 34% (vs 19%) · 6 short trades.

Equity curve — $10,000 invested

502 trading days
+48%-25%■ strategy■ buy & hold

Recent trades

long & short round-trips
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