Schedule Update

Cboe Options Exchange (C1) Technology Integration Update Conference Call on July 9, 2019

June 13, 2019

Cboe will conduct its next technology integration conference call at 11:30 a.m. CT on Tuesday July 9, 2019 to update customers regarding the migration of the Cboe Options Exchange (“C1”) trading platform to Bats technology. Details regarding Cboe’s data center strategy, the integration timeline, and key milestone dates as well as additional information will be provided during the call. Please click on the title for complete details.

Update - Cboe Integration Weekend Test – Saturday, June 15, 2019

June 10, 2019

In preparation for migration of Cboe Options Exchange (“C1”) to Bats technology, Cboe will host the first of six weekend tests on Saturday June 15, 2019. TPHs must certify in the C1 certification environment before they will be permitted to participate in weekend testing. Please click the title for complete details.

Important Cboe Options Exchange Migration Update

June 05, 2019

Cboe Options Exchange (“C1”) is pleased to announce the migration to Bats technology remains on track for October 7, 2019, subject to regulatory review. Please click the title for complete details.

Cboe Integration Weekend Test – Saturday, June 15, 2019

June 03, 2019

In preparation for migration of Cboe Options Exchange (“C1”) to Bats technology, Cboe will host the first of five weekend tests on Saturday June 15, 2019. TPHs must certify in the C1 certification environment before they will be permitted to participate in weekend testing. Please click the title for complete details.

Reminder - Cboe Options Exchange (C1) Technology Integration Update Conference Call on May 21, 2019

May 20, 2019

Cboe will conduct its next technology integration conference call at 11:30 a.m. CT on Tuesday May 21, 2019, to update customers regarding the migration of the Cboe Options Exchange (“C1”) trading platform to Bats technology. Please click the title for complete details.

Cboe Memorial Day Holiday Reminder – Closed on Monday, May 27, 2019

May 15, 2019

Cboe BYX Exchange, BZX Exchange, EDGA Exchange, EDGX Exchange, Cboe Options Exchange, C2 Options Exchange, BZX Options Exchange, and EDGX Options Exchange will be closed on Monday, May 27, 2019 in observance of Memorial Day. Normal trading will resume on Tuesday, May 28, 2019. Please click the title for complete details.

Reminder - Cboe Options Exchange (C1) Technology Integration Update Conference Call on May 21, 2019

May 14, 2019

Cboe will conduct its next technology integration conference call at 11:30 a.m. CT on Tuesday May 21, 2019, to update customers regarding the migration of the Cboe Options Exchange (“C1”) trading platform to Bats technology. Details regarding our data center strategy, the integration timeline, and key milestone dates will be provided during the call, as well as additional information. Please click the title for complete details.

Important Cboe Options Exchange Migration Update

May 08, 2019

Cboe Options Exchange (“C1”) is pleased to announce the migration to Bats technology remains on track for October 7, 2019, subject to regulatory review. Please click the title for complete details.

Cboe Options Exchange (C1) Technology Integration Update Conference Call on May 21, 2019

May 01, 2019

Cboe will conduct its next technology integration conference call at 11:30 a.m. CT on Tuesday May 21, 2019, to update customers regarding the migration of the Cboe Options Exchange (“C1”) trading platform to Bats technology. Details regarding our data center strategy, the integration timeline, and key milestone dates will be provided during the call, as well as additional information. Please click the title for complete details.

In-person Consolidated Audit Trail Options Deep Dive in Chicago

April 26, 2019

On Wednesday, May 15, 2019, at 3:30PM CT, CAT NMS LLC and FINRA CAT LLC, in coordination with Security Traders Association of Chicago (“STAC”), will be hosting an in-person Consolidated Audit Trail Options Deep Dive in Chicago. Please click the title for complete details.

2019 SIFMA/FIA and Regulation SCI BCP/DR Test Plan

April 26, 2019

In coordination with other market centers, as part of the annual SIFMA/FIA industry test and in support of Regulation Systems Compliance and Integrity (SCI) requirements, Cboe is currently scheduled to host its annual BCP/DR test on Saturday, October 26, 2019. Please click the title for complete details.

Reminder - Cboe Power Shutdown 400 S LaSalle Building

April 17, 2019

On Friday, April 19, 2019, the Facilities Department will be conducting maintenance on the electrical infrastructure network within the building. In order to complete this work, a shutdown of power is required for the entire building, including the Data Centers and Trading Floor. Please click the title for complete details.

Industry Outreach Webcast on the Consolidated Audit Trail

April 03, 2019

On Wednesday, April 3, 2019, at 4:15PM ET, the CAT NMS, LLC will be hosting a Consolidated Audit Trail webcast to discuss the recent updates to the CAT Reporting Technical Specifications for Industry Members published on March 29, 2019 and additional topics. Please click the title for complete details.

Cboe Holiday Reminder – Closed on Friday, April 19, 2019

April 02, 2019

Cboe BYX Exchange, BZX Exchange, EDGA Exchange, EDGX Exchange, Cboe Options Exchange, C2 Options Exchange, BZX Options Exchange, and EDGX Options Exchange will be closed on Friday, April 19, 2019 in observance of Good Friday. Please click the title for complete details.

Cboe Power Shutdown 400 S LaSalle Building

March 26, 2019

On Friday, April 19, 2019, the Facilities Department will be conducting maintenance on the electrical infrastructure network within the building. In order to complete this work, a shutdown of power is required for the entire building, including the Data Centers and Trading Floor. Please click the title for complete details.

Cboe to Observe Moment of Silence on Friday, March 15, 2019

March 15, 2019

Cboe will join other market participants in observing a one minute moment of silence at 9:20 a.m. ET. Please click the title for complete details.

Reminder - Cboe Options Exchange (C1) Technology Integration Update Conference Call on March 19, 2019

March 12, 2019

Cboe will conduct its next technology integration conference call at 11:30 a.m. CT on Tuesday March 19, 2019, to update customers regarding the migration of the Cboe Options Exchange (“C1”) trading platform to Bats technology. Details regarding our data center strategy, the integration timeline, and key milestone dates will be provided during the call, as well as additional information. Please click the title for complete details.

Industry Outreach Webcast on the Consolidated Audit Trail

February 12, 2019

On Wednesday, February 20, 2019 at 4:15 PM EST, the CAT NMS, LLC Operating Committee will be hosting a Consolidated Audit Trail webcast to discuss current progress on the CAT. Please click the title for complete details.

Reminder: Cboe Equities and Options Exchanges Market-Wide Circuit Breaker Testing Opportunity on Saturday, February 9, 2019

February 07, 2019

In coordination with other market participants, Cboe BYX Exchange, BZX Exchange, EDGA Exchange, EDGX Exchange, Cboe Options Exchange, C2 Options Exchange, BZX Options Exchange, and EDGX Options Exchange will participate in a Market-Wide Circuit Breaker (MWCB) Level 1, 2, and 3 test on Saturday, February 9, 2019 between 11:00 am and 1:00 pm ET. Please click the title for complete details.

Cboe Holiday Reminder – Closed on Monday, February 18, 2019

February 06, 2019

Cboe U.S. Equities Exchanges (BYX, BZX, EDGA, and EDGX Equities) and the Cboe Options Exchanges (BZX, Cboe, C2, and EDGX Options) will be closed on Monday, February 18, 2019 in observance of President's’ Day. Normal trading will resume on Tuesday, February 19, 2019. Please click the title for complete details.

Cboe Options Exchange (C1) Technology Integration Update Conference Call on March 19, 2019

February 01, 2019

Cboe will conduct its next technology integration conference call at 11:30 a.m. CT on Tuesday March 19, 2019, to update customers regarding the migration of the Cboe Options Exchange (“C1”) trading platform to Bats technology. Please click the title for complete details.

CAT Reporting Requirements Presentation Schedule Change

January 28, 2019

The CAT NMS, LLC Operating Committee is hosting in-person presentations on options reporting requirements for the Consolidated Audit Trail. The two sessions scheduled for this week are being rescheduled to a future date. Please click the title for complete details.

Important Cboe Options Exchange Migration Update

January 15, 2019

Cboe Options Exchange (“C1”) is pleased to announce the migration to Bats technology remains on track for October 7, 2019, subject to regulatory review. Please click the title for complete details.

Cboe Equities and Options Exchanges Market-Wide Circuit Breaker Testing Opportunity on Saturday, February 9, 2019

January 14, 2019

In coordination with other market participants, Cboe BYX Exchange, BZX Exchange, EDGA Exchange, EDGX Exchange, Cboe Options Exchange, C2 Options Exchange, BZX Options Exchange, and EDGX Options Exchange will be participating in a Market-Wide Circuit Breaker (MWCB) Level 1, 2, and 3 test on Saturday, February 9, 2019 between 11:00 am and 1:00 pm ET. There will be no day 2 opening during this test. Please click the title for complete details.

Cboe Holiday Reminder – Closed on Monday, January 21, 2019

January 09, 2019

Cboe U.S. Equities Exchanges (BYX, BZX, EDGA, and EDGX Equities) and the Cboe Options Exchanges (BZX, Cboe, C2, and EDGX Options) will be closed on Monday, January 21, 2019 in observance of Martin Luther King, Jr. holiday. Normal trading will resume on Tuesday, January 22, 2019. Please click the title for complete details.