Strasmore Research

#finra

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FINRA Short Volume Ratio by Ticker

Compute the FINRA short volume ratio by ticker from the daily RegSHO files using curl and awk on one pinned date, and learn what the ratio does not measure.

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When Is Short Interest Released?

FINRA publishes short interest twice a month, mid-month and month-end, about two weeks after each settlement date. See the live release cadence and lag.

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FINRA Short Interest Data, Explained

Where short interest data actually comes from: FINRA's twice-monthly settlement file and its daily short volume file. Schedules, contents, and failure modes.