Susquehanna International Group Quantitative Trader Interview Experiences 2026

Real, anonymous reports from people who interviewed for Quantitative Trader at Susquehanna International Group, newest first and distilled into what to expect across the loop.

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2 months ago

Average Neutral Bala Cynwyd, PA

After a recruiter call, I got pulled into a timed math-oriented process that felt very probability-first. The next step was an OA that was mostly probability math, and it ramped up in difficulty as I went. I didn’t manage my time as well as I should have, and the last few questions ended up being rushed right when they got harder.

A short while later, I went into another interview that blended behavioral questions with technical ones. The technical portion still leaned heavily on probability, rather than jumping into a broad mix of topics. Overall it felt manageable, just a little more pressure because the process expected me to stay consistent even as the math got trickier.

3 months ago

Easy Positive United States

I started with a fairly structured math screening. The OA came first as a CodeSignal assessment with a time limit, focused on programming/algorithmic problems but strongly tied to test-style problem solving under pressure. After that, I moved into interview rounds where the emphasis stayed on probability and clean reasoning, with interviewers wanting me to explain how I thought rather than just land on an answer.

The math itself was built around classic probability and logic themes: Bayes’ rule showed up alongside combinatorics, expected-value style questions, and puzzle-like reasoning. The test had that familiar feel of getting progressively harder, so time management mattered; I also noticed the format pushed me to solve enough early questions to keep going. In the later interview focused on problem solving, I had to talk through my reasoning out loud, handle uncertainty, and adjust when I realized something wasn’t lining up.

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