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.
-21.2%
Total Return
$7,883
Ending Value
-11.3%
CAGR
-23.4%
Max Drawdown
-0.48
Sharpe
20%
Win Rate
10
Trades
90%
Time in Market
GEM · SMA Crossover Long & Short turned $10,000 into $7,883 (-21.2%) vs buy & hold $15,114 (+51.1%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 72.3%, worst drawdown 23% (vs 19%) · 5 short trades.

Equity curve — $10,000 invested

501 trading days
+67%-23%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-07-172026-07-31 (open)SHORT-1.5%
2026-04-232026-07-17LONG+2.1%
2026-03-202026-04-23SHORT-11.5%
2026-01-062026-03-20LONG-2.5%
2025-12-092026-01-06SHORT-4.3%
2025-05-092025-12-09LONG+22.1%
2025-04-092025-05-09SHORT-8.7%
2025-02-182025-04-09LONG-6.9%
2024-11-142025-02-18SHORT-2.8%
2024-10-102024-11-14LONG-6.1%
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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