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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 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.