Citadel Securities

Citadel Securities: What Is a Market Maker?

How Our Interns Learn at Citadel Securities

How does Citadel Securities compete and innovate?

Discover Citadel Securities

Meet Citadel Securities’ 2025 Summer Interns

Citadel Securities Careers - Markets & Trading

CEO Peng Zhao on AI

A Day in the Life of a Citadel Securities Intern: Param

Louise, an extraordinary colleague

A Day in the Life of a Citadel Securities Intern: Amanda

Ken Griffin on the Three Paths for Software Engineers

Reverberations

How Citadel’s Ken Griffin Buys A Massive Stock Position Undetected

Comparing working at top trading firms: Citadel, Jane Street, Hudson River Trading, 2Sigma

Peng Zhao’s Career Advice to Citadel Securities Interns

Citadel Securities Early Careers Technology Program

Xiaojun, an Extraordinary Colleague

Ken Griffin’s Advice for Today’s High Schoolers

What draws top technology talent to Citadel Securities?

Tom, an Extraordinary Colleague

Citadel Securities Community Leaders Program

How Citadel Securities Engages Machine Learning ​

Our Ambition at Citadel Securities

Citadel Securities Cultural Moments: Claire

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