FINRA Wants More Short-Interest Paperwork From Brokers
Published Date: 5/18/2026
Notice
Summary
FINRA is updating its rules to make short-interest reports more detailed and frequent, and to require monthly reporting on 'fail to deliver' stock positions. This affects broker firms who must now share more info with FINRA, helping keep the market fair and transparent. These changes kick in soon and aim to boost oversight without adding big costs.
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Analyzed Economic Effects
4 provisions identified: 3 benefits, 1 costs, 0 mixed.
Weekly Short-Interest Reporting Starts
FINRA would require member firms to report short-interest positions weekly instead of twice a month, and firms must submit reports within one business day (down from two). FINRA plans to publish aggregate short-interest data weekly, five business days after the reporting settlement date.
Include Arranged-Financing Borrows
FINRA would require members to record and report positions that result from arranged financing—specifically customer stock-borrows from a member's domestic or foreign affiliate—as short interest. FINRA says these loan-obligation positions must be reported so short-interest data better reflects economic short exposure.
Clearing Firms Must Report Fail Allocations
FINRA would adopt Rule 4321 requiring clearing members to submit monthly reports (due 10 business days after month-end) showing their daily allocations of fail-to-deliver positions to correspondent firms. Reports must include security name/symbol, correspondent identity, number of shares allocated, settlement date when the fail developed, allocation date, and other specified information; these allocation reports would be used only for regulatory purposes and not publicly disseminated.
Final Short-Interest for Deleted Symbols
FINRA would require members to report gross short positions for any security as of the last settlement date for which an SRO-issued symbol existed when that symbol is deleted. This ensures FINRA receives a final short-interest report for securities that lose their symbol.
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