On Tuesday, April 23, 2024, MEMX Options released a new version of its MEMO SBE and Risk Specifications. Version 1.7A can be found here using the “upcoming version” link. Release dates for the MEMX Options Development Environment (MODE) and Production to follow. Updates are listed below and in the specification Errata included in the download:
MEMO SBE v1.7A
- Added Underlier to Lockout Clear request / reject / done messages
- Added InvalidUnderlierForLockoutId item to MassCancelClearLockoutRejCode
Risk Control v1.7A
- Removed all mentions of “?” from rule configurations.
Added underlier to Clear Breach Request.
Removed BreachId from Cross-Port Manual Breach Pending message. - Clarified Breach Cleared to remove references to NULL BreachID requests. Clarified the source of ClOrdId for Breach Cleared.
- Updated templateID for Single Order Restricted Underlier State to 66
- Updated templateID for Single Order Allow Market Orders State to 67
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