Citadel Securities Quantitative Trader interview experience

No offer

Hard

Positive

Hong KongPosted Sep 2025 · Candidate report, summarized by Dataford

I went through an online assessment with math and probability first, and then I had phone interviews before a later superday-style session.

On the final day, the phone interview started with self-introduction, then the interviewer asked about my trading experience.

The market-making style part was the real challenge. It had multiple parts, and it forced me to think in a structured way under a trading lens rather than just doing generic probability work. Overall, it felt intense—hard enough that I found it stressful, but also it matched the role I was trying to get.

I didn’t get an offer, and what stuck with me most was how much the evaluation centered on market-making reasoning once the conversation moved from background to

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