# Federal Register #SR-CboeBZX-2026-088

Cboe BZX proposal to enhance the optional Missed Liquidity Report

**Buyer:** Securities and Exchange Commission
**Posted:** November 04, 2026
**Identifier:** SR-CboeBZX-2026-088
**NAICS:** 523210

The SEC notice describes a Cboe BZX Exchange proposal to enhance its optional Missed Liquidity Report; it is not a government procurement opportunity.
- **Government entities:** The Securities and Exchange Commission (SEC) published the notice. Cboe BZX Exchange, Inc. filed the proposed rule change.
- **Proposed change:** Add COA events and a price field showing the price levels at which options orders were executed during a COA.
- **Report features:** The optional report would remain available to Members who pay for it, provide historical data on a T+1 basis, and contain data specific to the receiving Member.
- **Procurement status:** No products or services are being requested for government purchase; no quantities, part numbers, or contract value are provided.

### Description

Cboe BZX Exchange, Inc. proposes enhancements to the Missed Liquidity Report offered through the Cboe Timestamping Service. The optional report will be expanded to include COA events and a new price field showing each price level at which options orders were executed during a COA. The report is available to Members who choose to pay for it and provides historical data on a T+1 basis. The SEC notice solicits comments on the proposed rule change.

[View original listing](https://www.federalregister.gov/documents/2026/11/04/2026-22460/self-regulatory-organizations-cboe-bzx-exchange-inc-notice-of-filing-and-immediate-effectiveness-of)