Revision History
| Document Version | Date | Description |
|---|---|---|
| 1.0.0 | 02/15/23 | Initial version. |
| 1.0.1 | 02/27/23 | Updated section 1.7 to clarify that Trade messages in a spin will contain only the last trade for each symbol that was received by the spin server at the time of the spin image. |
| 1.0.2 | 03/30/23 | Clarified RUT is on BZX and C2 Unit 31. |
| 1.0.3 | 11/22/24 | Added CBTX, CBTXW, MBTX, and MBTXW to the unit 31 Unit/Product Distribution tables (effective 12/02/24). |
| 1.0.4 | 12/13/24 | Added new Unit/Product Distribution for Units 1-30 (effective 03/31/25). |
| 1.0.5 | 01/15/25 | Updated with Cboe Titanium branding. |
| 1.0.6 | 03/25/25 | Added SPEQX to C1 unit 31 unit/product distribution (effective 04/14/25). |
| 1.0.7 | 10/20/25 | Added MGTN and MGTNW to unit 31 in US Options Unit/Product Distribution and excluded MGTN and MGTNW from unit 14 (effective 12/08/25 TBD 11/17/25). |
| 1.0.8 | 11/06/25 | Updated MGTN and MGTNW effective dates to TBD. |
| 1.0.9 | 11/18/25 | Updated MGTN and MGTNW effective dates to 12/08/25. |
| 1.0.10 | 04/01/26 |
|
| 1.0.11 | 04/15/26 | Updated Feed Hours to reflect planned expansion of C1 trading hours for select equity options, including the addition of a morning Global Trading Hours (GTH) session and afternoon Curb session, subject to regulatory review (effective 07/13/26 08/17/26 TBD). |
| 1.1.12 | 05/14/26 |
|
| 1.1.13 | 06/12/26 | Updated planned expansion of C1 trading hours for select equity options to 08/17/26. |
| 1.1.14 | 07/21/26 | Removed VIX and VIXW exclusion from unit 23 and added VIX and VIXW exclusion to unit 24 U.S. Options Unit/Product Distribution tables. |
| 1.1.15 | 08/10/26 | Updated planned expansion of C1 trading hours for select equity options to TBD. |