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Does daily short volume predict short interest? A three-rank formula, ridge and a tiny transformer on 660,246 windows

FINRA publishes short volume every day and short interest only twice a month, so people treat the daily "short volume ratio" as a live read on short positions. They aren't the same thing: short volume is a flow of executions (a market maker can sell short to fill a buy order and cover an hour later…

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  1. 2026-10-29 00:19 · DEV Community — Machine Learning
    Does daily short volume predict short interest? A three-rank formula, ridge and a tiny transformer on 660,246 windows

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