Trader Trainee Interview Questions

Junior Trader

Interviewed at AKUNA CAPITAL

4★

Oct 12, 2017

8 percent of 12

Trader

Interviewed at Citadel

4★

Feb 7, 2012

what's the expected value of a die?

Junior Trader

Interviewed at Citi

3.6★

Jul 30, 2011

What is your biggest weakness?

Graduate Trader

Interviewed at Maven Securities

4.3★

Nov 25, 2018

1. Why trader and Maven? 2. An incomplete deck of cards: if you divide it by 3 you have 2 as remainder; if you divide it by 5 you have 2 as remainder; if you divide it by 4 you have 3 as remainder. How many cards are there in the deck?

Quantitative Trader

Interviewed at Optiver

3.7★

Jan 20, 2022

You have 16 watermelons and a seesaw. minimum number of tests to determine heaviest 2. Similar to 25 horse race brainteaser

Trader

Interviewed at Optiver

3.7★

Sep 4, 2013

how confident are you about your answer? make a market of all the wine produced in California in a year

Trader

Interviewed at Optiver

3.7★

Sep 25, 2015

How many levels can you build with 52 cards? (a deck of card) EV of throwing a dice, EV of the sum of two dices after you throw 1 time, 400 times. How would you make a market based on that?

Trader

Interviewed at Optiver

3.7★

Oct 4, 2016

Basic mental math: addition, multiplication, square roots.

Prop Trader

Interviewed at Hehmeyer

3.6★

Jul 29, 2011

I flip a coin and get heads 99 times. It is a fair coin. What are the chances that, if flipped again, will tails come up.

Asked three arithmetic and probability questions. Honor code of not using a calculator or paper and pen/pencil. Arithmetic: 1. 18/5 2. 76+57 3. 99*99 Probability: 1. A fair coin is flipped three times, what is the probability that it will land on heads at least once.