Backtest Lab
Point-in-time universes (delisted tickers included), conservative fills, costs modeled, every bias named on the report. Hypothetical performance — not investment advice.
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Run built-in patterns
The 18 Dux short patterns run as-is: real gatekeeper, real prefilters, lookahead-free candidate scan (opening gap / prior-day run only).
First run over a fresh range ingests minute data per candidate day (minutes, cached forever). Re-runs with identical config are instant cache hits — the result URL is the config hash.
Custom strategy (StrategyDSL v1)
Declarative rules — universe, entry triggers, stop/target/time exits, sizing. Long or short. Pick a starter, edit the JSON, run. Every strategy hashes to a permalink.
Uses the From/To dates above. Validation errors come back verbatim from the Zod schema.
Runs
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