Technical Notice

Holiday Reminder Regarding ORF Market Data

June 26, 2018

In observance of Independence Day, the ORF System will be closed on Wednesday, July 4, 2018. As stated in the data feed interface specifications, FINRA may send out unmarked test data via its data feeds on market holidays. Direct data feed subscribers, including recipients of the Trade Data Dissemination Service 2.0 (TDDS 2.0) and Bulletin Board Dissemination Service (BBDS) feed(s) should take the necessary precautions to prevent data corruption.

Please be advised that the ORF system will close early on Tuesday, July 3, 2018 at 1 p.m., E.T. See the table below for a schedule of modified hours. Thank you for your attention to this matter. Please contact FINRA Operations at (866) 776-0800 if you have any questions.

Market Session

Normal Hours

Modified Hours for Tuesday, July 3, 2018.

Pre Market Session

8 a.m. to 9:30 a.m.

8 a.m. to 9:30 a.m.

Regular Market Session

9:30 a.m. to 4:00 p.m.

9:30 a.m. to 1 p.m.

Post-Market Trading Session

4 p.m. to 8 p.m.

1 p.m. to 5:00 p.m.