Citadel Securities bought Morgan Stanley’s unit focused on electronic market-making for US equity options, expanding the firm ...

Citadel Securities bought the unit of Morgan Stanley that’s focused on electronic market-making for US equity options, a move ...

The stock market is right to be trading around highs, but the bond market is off base in assessing that Federal Reserve rate ...

It's a good time to be a market maker if your name is Citadel Securities. The firm led by Ken Griffin just scooped up Morgan ...

Citadel Securities is buying Morgan Stanley's unit focused on electronic market-making for US equity options. The move ...

Virtu lends its support to IEX after Ken Griffin’s firm criticised planned exchange’s ability to cancel and reprice trades ...

Discover how Citadel Securities solidifies its dominance in market-making with a key acquisition from Morgan Stanley.

The firm focused in particular on the Options Risk Parameter (ORP) Indicator, a key feature of the IEX Options model. The ORP ...

Ken Griffin's market maker, Citadel Securities, is revamping its core trading infrastructure. The firm has reassessed its tech stack as it eyes growth. Josh Woods and Jeff Maurone, tech executives ...

Citadel Securities’ lawsuit accusing Portofino Technologies AG of trade-secrets thefts can largely move forward against the high-frequency crypto-trading startup but not one of its seed investors.

Herb Sutter joined Citadel Securities in 2024 as a technical fellow, after 20 years at Microsoft. He details how the firm is using a new version of C++. Sutter also talks about how job applicants ...

Ken Griffin’s Citadel Securities has bought Morgan Stanley’s electronic options market making business, underscoring how high ...