Revision History


Document Version	Date	Description
1.0.0	07/29/22	Initial version.
1.0.1	09/09/22	Updated Production and Certification Environment Configuration sections. Updated OOF Symbol Mapping message, OOF Symbol Mapping Message Type, and OOF Symbol Mapping Example Message sections.
1.0.2	10/20/22	Added Time Offset to OOF Symbol Mapping message. OOF Symbol Mapping messages are included in spin responses and will be disseminated before Complex Instrument Definition Expanded messages. OOF Symbol Mapping and Complex Instrument Definition Expanded messages can be sent as a sequenced or unsequenced message.
1.0.3	01/19/23	Updated effective date for Options on Futures (effective 07/10/23).
1.0.4	06/28/24	Updated OOF Symbol Mapping Options on Futures Name description example and OOF Symbol Mapping example message.
1.0.5	11/04/24	Updated Unit/Product distribution based on underlying futures product. Clarified Options on Futures Name field description in OOF Symbol Mapping message. Added two new Matching Units, plus new port and IP information for Matching Units 2-4 (effective 02/03/25).
1.0.6	01/15/25	Updated with Cboe Titanium branding.
1.0.7	01/05/26	Noted in Spin Servers: a Time message will be sent as the last message in a Spin if the last Time message sent on a Spin is older than the last received time from the internal market data producers.
1.0.8	01/05/26	Updated Feed Hours and System Restart to reflect the new time that persisted orders are added back into the order book.
1.0.9	x/x/26	Updated Time description in Time and Time Reference messages.

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Revision History