The data is normally released at 10:30 AM on Thursday, but the timing of the announcement was changed this week due to the Independence Day holiday.
Trades conducted during the session will be considered as having been transacted during the July 8 trading date.
Exchange President J. Robert Collins, Jr., said, "We have worked diligently to ensure the availability of our markets during the release of this critical information so that all market participants have the ability to react as they see fit to the announcement. This additional session is being offered in direct response to customer request."