Show HN: A free ESG stock screener that publishes its losses and methodology
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irldexter
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Hacker News
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Hey HN, JSS(JumpstartSignal) is a free, ESG-filtered daily stock screener.
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Three things about it that might be of interest:1.
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Methodology is fully documented at https://jumpstartsignal.com/how-it-works/ 5-stage pipeline, 54 signals tested individually plus 1,836 combinations evaluated, walk-forward validation across 25 hold periods.
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Nothing hand-tuned to a single backtest window.2.
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Many wins, misses, and losses are published as case studies e.g.
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