Notice 19 Mar 2025 regulatory compliance, trading rules, financial markets, sec, options trading, iex

📈New Rules for Options Trading on Investors Exchange (IEX)

This document details the proposed amendments to trading rules for options in the Investors Exchange LLC (IEX). It discusses the introduction of a fully automated trading system and various provisions aimed at improving market efficiency and reducing risks associated with stale quotes, thereby establishing a robust framework for options trading.

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Notice 3 Feb 2025 market data, compliance, exchange, regulation, securities, iex

📈SEC Notice on Market Data Definition Change by IEX

The Securities and Exchange Commission has issued a notice regarding a proposed rule change by Investors Exchange LLC to redefine “Real-Time” and “Delayed” in relation to its proprietary market data. This change will differentiate Delayed IEX data from Real-Time IEX data by a 15-minute interval instead of the previous 15 milliseconds, providing subscribers a chance to adapt their data needs accordingly.

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