Alpha Factory
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Improvement

Backtester — Sell Signals and Faster Results

Signal studies now measure the sell side too, and the optimizer returns in seconds instead of timing out.

Jul 26, 2026
Alpha Factory updates can mention product signals, indicators, or portfolio workflows. They are educational product context, not financial advice or a recommendation to buy or sell any asset.

Three real changes to the Backtester:

  • Signal studies now measure sell signals, not only buys. The engine always supported it; it was simply never switched on.
  • The optimizer could fire off up to 2,691 full backtests with no limit, which sometimes timed out before you saw anything. It now searches coarse-to-fine with an 8-second deadline: roughly 10x fewer runs, same best result.
  • Every result carries an explicit fee and slippage disclaimer, so you know what the numbers do and do not include.

Find it at Tools → Backtester.