Market regulation · 03/02/2025
Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Change the Definitions of “Real-Time” and “Delayed” in Relation to Its Proprietary Market Data Feeds so That the Interval That Differentiates Delayed IEX Data From Real-Time IEX Data Is Fifteen Minutes Instead of Fifteen Milliseconds
The Investors Exchange LLC has filed a proposed rule change to redefine 'real-time' and 'delayed' in its proprietary market data feeds, changing the interval that differentiates delayed IEX data from real-time IEX data to 15 minutes from 15 milliseconds.