Introduction

This specification will be the standard Multicast PITCH specification to be used for Cboe BYX Exchange, BZX Exchange, EDGA Exchange, EDGX Exchange, BZX Options Exchange, Cboe Options Exchange (C1), C2 Options Exchange, and EDGX Options Exchange platforms.

Cboe members may use Multicast PITCH to receive real-time depth of book quotations, execution information and auction update information during auctions for Cboe listed securities. Cboe Auction Update and Auction Summary messages support the Cboe Opening, Closing, Halt and IPO Auctions on the BZX Exchange. Refer to the Cboe Titanium U.S. Equities Auction Process Specification for more information on Cboe Auctions.

One or more of WAN-Shaped, Gig-Shaped, 5-Gig Shaped, or 8-Gig Shaped versions of the Multicast PITCH feed may be available from one or both of Cboe's datacenters. Members may choose to take one or more of the following Multicast PITCH feed options depending on their location and connectivity to Cboe.