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Nasdaq Rule Change Amends Equity 4 Rule 4759 To Add TXSE Quotation Data Feeds

The SEC published a notice that Nasdaq filed a proposed rule change to amend Equity 4, Rule 4759 to establish a primary and secondary source of quotation data for the new Texas Stock Exchange (TXSE). The Exchange will receive a direct feed from TXSE as its primary quotation data source and will use CQS/UQDF as the secondary data source. The table also reflects updated names for recently renamed exchanges (Nasdaq Texas and NYSE Texas). The rule change became effective immediately pursuant to Section 19(b)(3)(A)(iii) of the Securities Exchange Act of 1934.

Nasdaq Texas Rule Change to Add TXSE Quotation Data Feeds

The SEC published a proposed rule change by Nasdaq Texas to amend Equity 4, Rule 4759 (Data Feeds Utilized). The Exchange proposes to add the Texas Stock Exchange (TXSE) as a new market center, receiving direct quotation data as its primary source and CQS/UQDF as its secondary source. The table will also be updated to reflect the recent renaming of an exchange to NYSE Texas.

Nasdaq Rule 4759 Data Feed Amendment to Add TXSE

The Nasdaq Stock Market LLC filed a proposed rule change with the SEC to amend Equity 4, Rule 4759, which lists the proprietary and network processor feeds used for order handling, routing, and execution. The amendment adds the new Texas Stock Exchange (TXSE) as a market center with primary (direct TXSE feed) and secondary (CQS/UQDF) quotation data sources, and updates exchange names to reflect recent renamings to Nasdaq Texas and NYSE Texas. The SEC is soliciting public comments through May 12, 2026.

Nasdaq PHLX Proposes Adding TXSE to Data Feeds Table

Nasdaq PHLX LLC filed a proposed rule change with the SEC to amend Equity 4, Rule 3304, which governs the Exchange's data feeds table for handling, routing, and executing orders and related regulatory compliance. The change adds the Texas Stock Exchange as a new market center with a direct feed as primary quotation data source and CQS/UQDF as secondary source, and updates the names of two recently-renamed exchanges (Nasdaq Texas and NYSE Texas). The SEC published this notice to solicit public comments on the proposed rule change.