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Citadel Securities Loses Court Fight Over New IEX Options Venue

Citadel Securities Loses Court Fight Over New IEX Options Venue
Bloomberg Markets Friday 29 May 2026, 21:55 UTC By Bernard Goyder, Katherine Doherty 1 min read
Key Points

Citadel Securities has lost a court fight over a new options venue proposed by IEX Group, which aims to reduce the impact of high-frequency trading on the market. The decision is a setback for Citadel, which had argued that the new venue would harm its business. The ruling is expected to have significant implications for the options market and the role of high-frequency trading in it.

The Citadel Securities LLC logo on a laptop arranged in the Brooklyn borough of New York, US, on Friday, July 28, 2023. Citadel Securities first-half net trading revenue slid 35% from last years volatility-fueled surge as the trading firm founded by Ken Griffin seeks to compete with the big banks.
Originally published by Bloomberg Markets Read original →

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