Stock Exchange Updates Its List of Other Stock Exchanges
Published Date: 7/10/2026
Notice
Summary
The Long-Term Stock Exchange (LTSE) is updating its rules to add the Texas Stock Exchange LLC and rename Nasdaq BX, LLC to Nasdaq Texas, LLC. This change affects how LTSE handles stock data and order execution, making sure everything stays smooth and compliant. The update took effect right away on June 29, 2026, with no extra costs for traders.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
LTSE Adds Texas Stock Exchange Data
If you trade on or follow the Long-Term Stock Exchange (LTSE), LTSE amended Rule 11.410(a) on June 29, 2026 to add the Texas Stock Exchange LLC (TXSE) data feeds (Primary source designated CQS/UQDF; Secondary: n/a). This lets LTSE use TXSE's data for order handling, execution, and surveillance as soon as TXSE begins live trading, which the filing says is anticipated to start July 6, 2026.
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Previous / Next Documents
Previous: 2026-13915 — Self-Regulatory Organizations: Miami International Securities Exchange, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change by Miami International Securities Exchange, LLC Amend Rule 612, Aggregate Risk Manager (ARM), To Adopt a New Origin Multiplier To Be Used When Calculating a Market Maker's Option Percentage
Miami International Securities Exchange (MIAX) is updating how it calculates market makers’ option percentages by adding a new Origin Multiplier to Rule 612. This change affects market makers who trade options on MIAX and takes effect immediately, helping better manage trading risks. No direct cost changes were mentioned, but it’s a smart move to keep things fair and clear.
Next: 2026-13917 — Self-Regulatory Organizations; Nasdaq PHLX LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend PIXL
Nasdaq PHLX is updating its PIXL auction notifications to show clearer and more detailed info about price, side, size, and options series. This change helps traders get better, faster updates through the Exchange’s data feeds starting immediately, making trading smoother and more transparent. If you trade options on Nasdaq PHLX, this tweak could make your PIXL experience sharper without changing any fees.