Know there have been many questions about the availability of imbalances. 05/04/2020, 15:29 NYSE - IMBALANCE MESSAGES IN TRADE OPS PORTAL Subject to effectiveness of a rule filing with the SEC, beginning on May 6, 2020, for a temporary period while the NYSE Trading Floor is closed, the Closing Auction Imbalance Information available on the NYSE Pillar Trade Ops Portal (TOP) website will be published beginning at 3:00 p.m. NYSE Imbalance and NYSE Integrated Feeds will continue to disseminate imbalance data beginning at 3:50 p.m. For more information about TOP, including instructions on how to request an account, please visit our Trade Ops Portal page. Any use of TOP must be consistent with the terms of use as specified in the TOP User Request and Authorization Form.