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.
-19.2%
Total Return
$8,084
Ending Value
-24.8%
CAGR
-21.2%
Max Drawdown
-0.76
Sharpe
25%
Win Rate
4
Trades
74%
Time in Market
VSNT · SMA Crossover Long & Short turned $10,000 into $8,084 (-19.2%) vs buy & hold $8,243 (-17.6%) over 2025-12-15→2026-09-15 — it trailed buy & hold by 1.6%, worst drawdown 21% (vs 42%) · 2 short trades.

Equity curve — $10,000 invested

188 trading days
+4%-40%■ strategy■ buy & hold

Recent trades

long & short round-trips
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