Trading Alert, Technical Alert
MIAX Pearl
September 22, 2025 | 03:40 PM
MIAX Pearl Options Exchange - New Activation Date - Selective Liquidity Auto Purge (SLAP) Functionality Available Thursday, October 2, 2025
As previously announced in the August 22, 2025 Alert, the MIAX Pearl Options Exchange will introduce the Selective Liquidity Auto Purge (SLAP) Functionality. This optional feature enhances the Mass Cancellation functionality by providing members with the ability to remove a subset of all its orders in the system atomically.
SLAP functionality will be available in production for all firms who upgrade their MEO Interface beginning Thursday, October 2, 2025. Certification will be required in order to request an upgrade.
Additional Details:
- As a reminder, the SLAP enhancement is contained within the MEO Interface (v2.2) release. Please refer to the August 22, 2025 Alert for additional details on requirements to code to the new ARM Settings Update Request (Message Type “RS”) that is also part of this release in order to use SLAP.
- SLAP functionality is now currently available in the MIAX Pearl Options Exchange’s Firm Test Bed (FTB2).
- Visit Pearl Options Interface Specifications for additional details.