FAQ

What is the minimum weekly coding speed Citadel expects?
Citadel expects a median‑of‑stream implementation to run under 1 ms on a 10⁷‑element dataset; anything slower is logged as a ‑2 on the Quant Scoring Matrix.

How many interview rounds are there, and how long is each?
The loop consists of four 45‑minute rounds—Probability, Statistics, Algorithms, and Finance—followed by a 30‑minute final whiteboard; the entire process spans 56 days.

Can I negotiate the equity component after receiving an offer?
Yes. In the 2023 Q4 cycle, candidates with a final signal score of +5 secured equity between 0.04 % and 0.07 %; the recruiting lead typically allows a ±0.01 % adjustment before the offer lock date.amazon.com/dp/B0GWWJQ2S3).