FINRA - US Equities Short Interest / Short Volume Trading Hours#

FINRA US Equity short interest summary every two weeks, plus trade reports, and daily short volume through Trade Reporting Facilities. FINRA Daily Short Sale Volume is stored in the DAY table. This is populated daily. Monthly Short Sale Volume is stored in the TRD and SHORT_INT tables, and is populated monthly, approximately 8 days after the month is complete. The TRD table reports data per day, while the SHORT_INT table reports data twice per month.

Trading Hours are divided into multiple sessions

FINRA - US Equities Short Interest / Short Volume - Trading Hours#

Session Name

Time Zone

Start Time

End Time

PRE_MARKET

America/New_York

04:00

09:30

MARKET

America/New_York

09:30

16:00

POST_MARKET

America/New_York

16:00

20:00