Optiver · Probability

Optiver Probability Interview Questions

Probability is the backbone of every quant interview: conditional probability, Bayes’ theorem, expected value and classic puzzles like Monty Hall and the two-children problem. Optiver is a global market maker whose trader interviews lean hard on fast mental math, expected value and options intuition under time pressure. Below are 9 probability problems of the kind asked at Optiver.

All Optiver questions, every probability question, or the whole bank.