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.
-19.9%
Total Return
$8,011
Ending Value
-10.6%
CAGR
-47.2%
Max Drawdown
0.13
Sharpe
44%
Win Rate
9
Trades
90%
Time in Market
ALGM · SMA Crossover Long & Short turned $10,000 into $8,011 (-19.9%) vs buy & hold $17,170 (+71.7%) over 2024-08-01→2026-07-31 — it trailed buy & hold by 91.6%, worst drawdown 47% (vs 42%) · 5 short trades.

Equity curve — $10,000 invested

501 trading days
+155%-36%■ strategy■ buy & hold

Recent trades

long & short round-trips
EntryExitSideReturn
2026-07-292026-07-31 (open)SHORT+1.7%
2026-04-222026-07-29LONG-0.1%
2026-03-172026-04-22SHORT-31.8%
2025-12-302026-03-17LONG+19.5%
2025-08-142025-12-30SHORT+13.7%
2025-05-232025-08-14LONG+22.3%
2025-04-102025-05-23SHORT-16.5%
2024-12-162025-04-10LONG-2.5%
2024-10-102024-12-16SHORT-9.0%
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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