Nasdaq MRX Options Trading Rule Change

The SEC issued a proposed rule change filing for Nasdaq MRX, an options exchange operated by Nasdaq. The document indicates the comment period has closed on this rulemaking action. Without access to the full filing details, the specific substantive amendments to exchange trading rules cannot be fully characterized.

Broker-dealers and investors active in options markets should monitor for the SEC's final order on this rule change. The SEC typically issues approvals, disapprovals, or approval with modifications following the close of comment periods. Compliance teams should track the SEC's official release for the final determination and any implementation timeline that may be established.