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.
+25.2%
Total Return
$12,521
Ending Value
+12.0%
CAGR
-69.8%
Max Drawdown
0.53
Sharpe
43%
Win Rate
7
Trades
90%
Time in Market
RDDT · SMA Crossover Long & Short turned $10,000 into $12,521 (+25.2%) vs buy & hold $23,690 (+136.9%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 111.7%, worst drawdown 70% (vs 61%) · 3 short trades.

Equity curve — $10,000 invested

501 trading days
+345%-15%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-04-202026-07-31 (open)LONG-15.4%
2026-02-032026-04-20SHORT-0.5%
2025-12-082026-02-03LONG-30.2%
2025-10-142025-12-08SHORT-20.7%
2025-05-152025-10-14LONG+72.9%
2025-03-072025-05-15SHORT+15.2%
2024-10-102025-03-07LONG+91.7%
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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