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.

-0.3%

Total Return

$9,966

Ending Value

-0.2%

CAGR

-77.0%

Max Drawdown

0.41

Sharpe

36%

Win Rate

Trades

90%

Time in Market

ATAI · SMA Crossover Long & Short turned $10,000 into $9,966 (-0.3%) vs buy & hold $58,333 (+483.3%) over 2024-09-16→2026-09-11 — it trailed buy & hold by 483.7%, worst drawdown 77% (vs 53%) · 5 short trades.

Equity curve — $10,000 invested

499 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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