Order Rule

Notice of Filing of a Proposed Rule Change to Amend the Opening Auction Process Provided Under Rule 11.23(b)(2)(B) to Delay the Opening Auction Under Certain Market Conditions in Order to Improve Price Discovery and Allow Executions to Occur at Prices...

National Securities Exchanges, Cboe BZX Exchange, Inc. (CboeBZX)

Public Comments

Submit a Comment on SR-CboeBZX-2026-004

Title
Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change to Amend the Opening Auction Process Provided Under Rule 11.23(b)(2)(B) to Delay the Opening Auction Under Certain Market Conditions in Order to Improve Price Disco..
Overview

Notice of Designation of a Longer Period for Commission Action on a Proposed Rule Change to Amend the Opening Auction Process Provided Under Rule 11.23(b)(2)(B) to Delay the Opening Auction Under Certain Market Conditions in Order to Improve Price Discovery and Allow Executions to Occur at Prices that Better Reflect Current Market Conditions

Release Number
34-104975
SEC Issue Date

Resources

Notice Rule: SEC Issued Version (pdf 122.37 KB)

Title
Notice of Filing of a Proposed Rule Change to Amend the Opening Auction Process Provided Under Rule 11.23(b)(2)(B) to Delay the Opening Auction Under Certain Market Conditions in Order to Improve Price Discovery and Allow Executions to Occur at Prices...
Release Number
34-104654
SEC Issue Date

Resources

Notice Rule: SEC Issued Version (pdf 260.73 KB)
Exhibit 5

Last Reviewed or Updated: April 30, 2026

Resources

Order Rule: SEC Issued Version (pdf 190.81 KB)

Details

Public Comments Due

May 21, 2026.
Rebuttal Comments Due: June 4, 2026.

File Number
SR-CboeBZX-2026-004
Rule Type
Order
Release Number
34-105316
SEC Issue Date