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.

TickerStrategyRangeFast 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.

DirectionCapital ($)Trading cost (bps)Stop-loss (%)Out-of-sample (%)Direction lets you trade short too. Cost = bps per trade; stop-loss exits after that % adverse move (0 = off). "Compare all" runs every strategy.

+235.8%

Total Return

$33,579

Ending Value

+83.9%

CAGR

-48.2%

Max Drawdown

1.19

Sharpe

91%

Win Rate

Trades

90%

Time in Market

MRVL · SMA Crossover Long & Short turned $10,000 into $33,579 (+235.8%) vs buy & hold $30,296 (+203.0%) over 2024-09-16→2026-09-15 — it beat buy & hold by 32.8%, worst drawdown 48% (vs 61%) · 5 short trades.

Equity curve — $10,000 invested

501 trading days

Recent trades

long & short round-trips

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Alt-Data Signal Hub · showing live market data, fetched the moment this page loaded · market & option prices are always live on load · display-only, not advice

Strategy backtester

Equity curve — $10,000 invested

Recent trades

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