Notice 27 Jun 2025 sec, trading, regulation, financial markets, iex, quote imbalance

📈IEX Implements Quote Imbalance Indicator for Trading Stability

The Investors Exchange LLC (IEX) proposes a new Quote Imbalance Indicator (QII) to improve trading strategies by assessing supply and demand imbalances for securities during market hours. This proprietary calculation aims to enhance market stability by restricting certain order types from exercising price discretion during periods of quote imbalance, thus potentially increasing execution quality for users.

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Notice 17 Jun 2025 market data, sec, regulation, financial services, iex, business growth

📊IEX's Free Trial Program for Real-Time Market Data Products

The Investors Exchange LLC (IEX) is implementing a free trial program for its real-time market data products, specifically TOPS and DEEP. This initiative allows first-time recipients to access these data feeds for up to 30 days without fees, aiming to enhance market data accessibility and stimulate interest among potential subscribers.

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