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.
+20.5%
Total Return
$12,055
Ending Value
+9.9%
CAGR
-42.9%
Max Drawdown
0.47
Sharpe
50%
Win Rate
8
Trades
90%
Time in Market
MRNA · SMA Crossover Long & Short turned $10,000 into $12,055 (+20.5%) vs buy & hold $5,821 (-41.8%) over 2024-08-01→2026-07-31 — it beat buy & hold by 62.3%, worst drawdown 43% (vs 76%) · 4 short trades.

Equity curve — $10,000 invested

501 trading days
+97%-76%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-06-222026-07-31 (open)LONG-7.6%
2026-04-272026-06-22SHORT-21.9%
2025-12-162026-04-27LONG+62.9%
2025-11-132025-12-16SHORT-19.8%
2025-10-092025-11-13LONG-9.3%
2025-08-192025-10-09SHORT+1.4%
2025-06-102025-08-19LONG+0.8%
2024-10-102025-06-10SHORT+51.3%
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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