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ICENYSENYSE CONNECTLOGIN Listings Trading Market Data Insights About Trading at NYSE/Auctions Auctions Auction Eligible Securities Complete List of Eligible Securities for All Markets NYSE - NYSE Listed Securities Only NYSE American - NYSE American Listed Securities Only NYSE Arca - NYSE Arca-Listed Securities UTP Securities Early Open Auction Yes Yes Core Open Auction Yes No Closing Auction Yes Yes Halt Auction Yes No NYSE Texas - NYSE Texas Listed Securities Only Auction Timelines (All Eastern Times) NYSEOpening Auction 6:30 a.m. NYSE Pillar Gateways open for order entry Orders can be entered and cancelled until the security is opened by the DMM, which may occur after 9:30 a.m. 8:00 a.m. Imbalance publication begins and is disseminated every 1 second until auction is complete 9:30 a.m. Opening auction process begins Closing Auction 3:50 p.m. Cutoff time for Market on Close/Limit on Close (MOC/LOC) order entry: Imbalance publication begins and disseminated every 1 second until auction is complete MOC/LOC orders that are offsetting the significant imbalance are allowed after this time Requests to cancel MOC/LOC and Closing Offset orders will be rejected 3:59:50 p.m. D orders may no longer be entered or modified 4:00 p.m. Closing auction process begins NYSE AmericanEarly Opening Auction 6:30 a.m. Order Entry and Early Open Auction Imbalance publication Begins 6:59 a.m. Early Open Auction Imbalance Freeze begins 7:00 a.m. Early Open Auction Executes (Limit Orders Only) Opening Auction 8:00 a.m. Core Open Auction Imbalance Publication Begins 9:29 a.m. Requests to cancel MOO Orders and LOO Orders will be rejected. 9:29:55 a.m. Core Open Auction Imbalance Freeze begins: new MOO Orders and LOO Orders will be rejected 9:30 a.m. Core Open Auction executes within Auction Collars Closing Auction 3:50 p.m. Closing Freeze Period Begins; only offsetting MOC/LOC order accepted. Requests to cancel MOC/LOC orders will be rejected 4:00 p.m. Closing Auction executes within Auction Collars NYSE ArcaEarly Opening Auction 2:30 a.m. Order Entry and Early Open Auction Imbalance Information Begins 3:59 a.m. Early Open Auction Imbalance Freeze begins 4:00 a.m. Early Open Auction Occurs (Limit Orders Only) Opening Auction 8:00 a.m. Core Open Auction Imbalance Publication Begins 9:29 a.m. Requests to cancel MOO Orders and LOO Orders will be rejected. 9:29:55 a.m. Core Open Auction Imbalance Freeze begins: new MOO Orders and LOO Orders will be rejected 9:30 a.m. Core Open Auction occurs within Auction Collars Closing Auction 3:00 p.m. Imbalance Publication Begins 3:59 p.m. Closing Freeze Period Begins; only offsetting MOC/LOC order accepted. Requests to cancel MOC/LOC orders will be rejected 4:00 p.m. Closing Auction occurs within Auction Collars NYSE TexasEarly Opening Auction 6:30 a.m. Order Entry and Early Open Auction Imbalance publication Begins 6:59 a.m. Early Open Auction Imbalance Freeze begins 7:00 a.m. Early Open Auction Executes (Limit Orders Only) Opening Auction 8:00 a.m. Core Open Auction Imbalance Publication Begins 9:29 a.m. Requests to cancel MOO Orders and LOO Orders will be rejected 9:29:55 a.m. Core Open Auction Imbalance Freeze begins: new MOO Orders and LOO Orders will be rejected 9:30 a.m. Core Open Auction executes within Auction Collars Closing Auction 3:00 p.m. Closing Auction Imbalance Publication Begins 3:59 p.m. Closing Freeze Period Begins; only offsetting MOC/LOC order accepted. Requests to cancel MOC/LOC orders will be rejected 4:00 p.m. Closing Auction executes within Auction Collars Auction Imbalance Publication Information Description NYSE NYSE American NYSE Arca NYSE Texas Indicative Match Price Best price at which the maximum volume of shares, including the non-displayed quantity of Reserve Orders (Only during Imbalance Freeze), is tradable in the applicable auction, subject to the Auction Collars. X Total Imbalance Total Imbalance quantity for all orders included in the imbalance calculations at the Reference Price. X X Market Imbalance The imbalance of any remaining MOO & Market Day (Core Auction and Trading Halt Auction) / Market Day & MOC (Closing Auction) orders that are not already matched at the Reference Price. X Paired Quantity Number of shares paired at the Reference Price. X X Auctions Collar Price collar thresholds for the Indicative Match Price for the Core Open Auction, Trading Halt Auction, or Closing Auction. X Reference Price Price at which the imbalances are calculated. X X Learn more about Imbalance Feeds message content Additional Information For further information on auction processing please refer to Rule 7.35 in each exchange Rule Book. Contact us Listings What to List How to List Listing Process Listing Resources Exchange Traded Products Global Advisory Sustainability Resource Center NYSE Board Services NYSE Connect Investor Access Corporate Services About Our History The Bell Media Center Behind the Scenes Events Careers Products Equities Options Bonds ETPs Data Trading and Data Information NYSE Data Products Equity Index Data Data Policies, Contracts & Guidelines Resources NYSE Community Recent Public Debuts Insights Listing Manager Regulation Pillar Trading System ICE Global Network Widget Library Privacy & Security Center Your Choices Terms of Use Do Not Sell My Personal Information © 2026 Intercontinental Exchange, Inc.