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.
-48.0%
Total Return
$5,202
Ending Value
-28.0%
CAGR
-59.5%
Max Drawdown
-0.24
Sharpe
33%
Win Rate
9
Trades
90%
Time in Market
MBLY · SMA Crossover Long & Short turned $10,000 into $5,202 (-48.0%) vs buy & hold $4,877 (-51.2%) over 2024-08-01→2026-07-31 — it beat buy & hold by 3.2%, worst drawdown 60% (vs 70%) · 5 short trades.

Equity curve — $10,000 invested

501 trading days
+34%-58%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-06-292026-07-31 (open)SHORT+4.3%
2026-04-302026-06-29LONG-4.5%
2025-11-042026-04-30SHORT+30.2%
2025-10-012025-11-04LONG-12.2%
2025-07-302025-10-01SHORT-1.6%
2025-05-142025-07-30LONG-16.6%
2025-01-292025-05-14SHORT-4.4%
2024-11-012025-01-29LONG+2.8%
2024-10-102024-11-01SHORT-26.7%
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

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