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Jane Street Quantitative Trader Interview Questions

Updated Apr 20, 2021

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Interviews at Jane Street

Experience
Positive73%
Negative8%
Neutral18%
Getting an Interview
Applied online77%
Campus Recruiting17%
Other2%
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Interviews for Top Jobs at Jane Street

Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Easy Interview
Application

I interviewed at Jane Street

Interview

Phone interview with a few probability questions. There is no pre-requirement for background knowledge in Finance. Very friendly conversation. I got stuck in the middle, but immediately got some hints before I was more wrong.

Interview Questions
  • Some probability questions that you can also find on any interview book
    Answer Question
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Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Average Interview
Application

I interviewed at Jane Street

Interview

I had 3 phone interviews, did not get the job. They were composed of entirely technical questions and nothing on my background or fit. This would have culminated in a fourth round final video interview.

Interview Questions
1 person found this interview helpful

Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Difficult Interview
Application

I interviewed at Jane Street

Interview

three rounds of interviews about games. About one hour for each round and 10 mins between rounds. Each round contains many questions with limited time. I traded using token, but the result is not relevant to the tokens earned.

Interview Questions
  • trade using expected value of dice rolling and coin flipping. Sometimes they made offer to let me decide if trade or not
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Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Easy Interview
Application

I applied online. I interviewed at Jane Street

Interview

The interviewer asked me something about my background and education. She also asked about my research experience and why I want to apply for financial field. She ended up with explaining the positions of quant trader and quant researcher.

Interview Questions
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Jane Street

Anonymous Interview Candidate in New York, NY

No Offer
Positive Experience
Average Interview
Application

I applied through an employee referral I interviewed at Jane Street (New York, NY) in Jan 2021

Interview

Four rounds of interviews, with the first three being phone interviews of increasing length (30 min, 45 min, and 1 hr), and the last being an on-site interview of many hours.

Interview Questions
  • Various probability questions, with a focus on expected value and decision making.
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Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Average Interview
Application

I interviewed at Jane Street

Interview

There were a few rounds of phone interviews. Phone interviews started out with 30 mins, then later ones take longer. I did not make past this stage so I don't know what's after.

Interview Questions
  • Simple probability problems, but I messed up on the details.
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Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Application

I applied online. I interviewed at Jane Street

Interview

There are a total of 4 rounds here in London: the first is not an interview, it is to send you a question to give you the answer and explanation; the second is a telephone interview; the third is an on-site group face;

Interview Questions
  • Person A has a 20-sided dice and person B has three 6-sided dice. They both roll their dice and whoever gets a bigger number/sum of numbers wins the game. Is it a fair game? Same game with one more player C who has a 20-sided dice. Is this new game fair? (all dice are fair; a 20-sided dice has number 1,2,…, 20 on each of its 20 sides) 作者:匿名用户 链接:https://www.zhihu.com/question/29364614/answer/216229840 来源:知乎 著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。 Person A and B are going to play a coin toss game. There is an initial score 0, and whenever a head/tail appears, the score +1/-1. Repeating the coin toss until one wins, that is, when the score reaches +2/-2, A/B wins the game. There is also an initial stake $1 for the game and person A has the option to double the stake every time before a coin toss. When one person wins the game, the other player needs to pay the amount of dollars on the stake to the winner. The question is: if you are person A, what is your strategy and what is your highest expected payoff of the game?
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Jane Street

Anonymous Interview Candidate

No Offer
Positive Experience
Difficult Interview
Application

I applied online. I interviewed at Jane Street in Dec 2020

Interview

Phone interview took 30 minutes. Interviewer was very friendly and walked me through a couple of steps where I got stuck. One logical question and one statistical question was asked.

Interview Questions
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Jane Street

Anonymous Interview Candidate in London, England, England

No Offer
Positive Experience
Easy Interview
Application

I applied through college or university. The process took 2 months. I interviewed at Jane Street (London, England, England)

Interview

Multiple rounds /3 x phone, 1 x onsite/ easy probability questions on throwing dice, playing card games and making markets. Nice interviewers, smooth process. Do make sure you are a good fit for the nerdy culture there.

Interview Questions
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Jane Street

Anonymous Interview Candidate

No Offer
Neutral Experience
Difficult Interview
Application

I interviewed at Jane Street

Interview

Got a phone screen. Was asked a couple easy questions about basic probability/statistics. I got through those really quick. Then got a difficult question I spent a lot of time on.

Interview Questions
  • What is the probability of an even number of heads when flipping n coins?
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