Nasdaq MRX is moving to streamline its connectivity rulebook after some services went unused for months. The filing, submitted on May 29, 2026, also updates technical terminology while the SEC opens the proposal for public comment.
Highlights
- Nasdaq MRX filed a proposed rule change with the SEC to amend Rule General 8, removing certain connectivity services unused since approximately September 2025.
- The changes target unused connectivity services and terminology updates, affecting all MRX customers equally rather than targeting any specific category or size.
- SEC will publish the notice to collect comments before finalizing the rule change, which MRX claims will support market mechanisms and investor protection.
Rule update targets unused services
As reported by the Securities and Exchange Commission, Nasdaq MRX filed a proposed rule change under Section 19(b)(1) of the Securities Exchange Act and Rule 19b-4 to amend Rule General 8 on connectivity. The exchange says the revisions remove certain services that are no longer used by customers and revise terminology tied to technical specifications.MRX says no customers have subscribed to the connectivity services covered by the proposal since about September 2025. The exchange presents the change as a cleanup of offerings that no longer show user demand rather than a broader shift in access policy.
Market impact and comment process
The proposal states that the changes do not apply differently across categories or sizes of market participants. Instead, MRX says the amendments would affect all exchange customers equally.MRX argues that discontinuing the unused products and services would support the mechanisms of a free and open market and the national market system, while helping protect investors and the public interest. The SEC is publishing the notice to solicit comments from interested parties before the rule change proceeds.
Our earlier analysis of the Nasdaq 100 (NDX) highlighted that the index had slipped below its 20-day moving average, showing short-term selling pressure even as it stayed above key medium- and long-term trend levels. We also outlined near-term support and resistance areas and noted that mixed momentum signals could still allow for a rebound if critical support held.
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