https://www.nyse.com/trader-update/history#110000951682
September 26, 2025 at 3:46 PM EDT
Summary
As previously announced, in preparation for the anticipated launch of the 24x Exchange, NYSE Group will implement updates to Proprietary Market Data products.
The launch of the 24x Exchange has been postponed to Tuesday, October 14, 2025, however the below planned market data changes will be in production effective Monday, September 29, 2025, as originally announced. The new fields will remain unpopulated until the new 24x Exchange launch date.