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.
-85.7%
Total Return
$1,431
Ending Value
-62.4%
CAGR
-89.8%
Max Drawdown
-0.41
Sharpe
33%
Win Rate
12
Trades
90%
Time in Market
ATXG · SMA Crossover Long & Short turned $10,000 into $1,431 (-85.7%) vs buy & hold $3,287 (-67.1%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 18.6%, worst drawdown 90% (vs 83%) · 6 short trades.

Equity curve — $10,000 invested

501 trading days
+56%-89%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-05-182026-07-31 (open)SHORT+21.6%
2026-04-102026-05-18LONG-35.8%
2025-11-042026-04-10SHORT-2.5%
2025-09-152025-11-04LONG-27.7%
2025-06-302025-09-15SHORT+5.8%
2025-06-122025-06-30LONG-8.1%
2025-06-112025-06-12SHORT-3.1%
2025-06-062025-06-11LONG-5.7%
2025-03-272025-06-06SHORT+8.8%
2024-12-302025-03-27LONG+19.1%
2024-11-152024-12-30SHORT-11.7%
2024-10-102024-11-15LONG-17.6%
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

All pages

Catalyst EdgeCongressNewsEarningsSEC FilingsHedge FundsLockupsPositioningMarket cycleBacktestOptionsSourcesGlossaryAbout & API