Pursuant to a Securities and Exchange Commission request, FINRA makes short sale trade data publicly available for OTC trades in exchange-listed securities reported to a FINRA Trade Reporting Facility (TRF) and FINRA’s Alternative Display Facility (ADF). FINRA makes two types of files available: (1) Daily Short Sale Volume Files and (2) Monthly Short Sale Transaction Files (collectively, the
FINRA publishes the short interest reports it collects from member firms to help investors gauge the market sentiment surrounding a security or exchange. Prior to June 2021, the data contains short interest positions in over-the-counter securities only and does not reflect short interest data in exchange-listed securities. Archive files going back to 2014 are avilable.About the Data
ATS data has been aggregated on a quarterly basis to display total shares, total trades and average trade size per ATS.2025 Quarterly Tables1st QuarterTier 1 NMS StocksTier 2 NMS StocksAll NMS StocksAll OTC Securities2nd QuarterTier 1 NMS StocksTier 2 NMS StocksAll NMS StocksAll OTC Securities2024 Quarterly Tables1st QuarterTier 1 NMS StocksTier 2 NMS StocksAll NMS StocksAll OTC Securities2nd
On This PageOverview of Margin RequirementsExtensions of TimeInterpretations of FINRA's Margin RuleCustomer Margin Balance Reporting and Margin StatisticsPortfolio MarginCovered Agency Transaction MarginMargin Disclosure StatementsExternal ResourcesContact OGCOverview of Margin RequirementsThe terms on which FINRA member firms (brokers) can extend credit for securities transactions are
Each FINRA Trade Reporting Facility (TRF) provides FINRA members with a mechanism for the reporting of transactions effected otherwise than on an exchange. While each FINRA TRF is affiliated with a registered national securities exchange, each FINRA TRF is a FINRA facility and is subject to FINRA's registration as a national securities association.
Trades by FINRA members in Nasdaq-listed
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Definitions of terms used in Equity Short Interest Data.
About the data
Data field
Definition
Date
The settlement date.
The mid-month short interest report is based on short positions held by members on the settlement date of the 15th of each month. If the 15th falls on a
The Daily Short Sale Volume Files provide aggregated volume by security for all short sale trades executed and reported to a <a href="/filing-reporting/trade-reporting-facility-trf">TRF</a>, the <a href="/filing-reporting/alternative-display-facililty-adf">ADF</a>, or the <a href="/filing-reporting/over-the-counter-reporting-facility-orf">ORF</a> during normal market hours for public dissemination purposes (i.e., media-reported trades).
