Introduction

Cboe Equities Exchanges allow Members the ability to queue orders for the pre-market open, regular market open, and during halt periods.

This document pertains to non-BZX-listed securities on BZX and to all securities on BYX, EDGA, and EDGX. For details regarding Opening and Re-Opening procedures for BZX-listed securities on BZX, please see the Cboe Titanium U.S. Equities Auction Process Specification.