Multiple Rounds, first was behavioral and second was technical. They first did a pretty lengthy behavioral and seemed pretty good, but then the technical was mainly all Fermi estimations and market making games.
Other Quant Trader Intern Interview Reviews for Optiver
OA for Round 1, involves a lot of quick calculations and estimations. Behavioural interview, Technical interviews and final superday. Final superday involves many interviews, but I did not reach that part.
Interview questions [1]
Question 1
Why trading? Have you applied to any other places?
Online assessment followed by multiple steps of technical and behavioral interviews. Pretty standard process in general, positive experience. Seemed to care a lot about cultural fit more than other firms