Quantitative Analyst Interview Questions

10,161 quantitative analyst interview questions shared by candidates

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?
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Quantitative Researcher

Interviewed at Citadel

4
Jan 24, 2012

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

if you have a stream of data and you take a specific number of values from the stream and put them into different tables, how would you know if the process is working efficiently? What if there were a lot of missing values? In the Black-Scholes model if the risk free interest rate increases, what happens to the payoff? Does the commodity price increase or decrease and why?
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Quantitative Risk Analyst

Interviewed at CME Group

3.9
Nov 16, 2015

if you have a stream of data and you take a specific number of values from the stream and put them into different tables, how would you know if the process is working efficiently? What if there were a lot of missing values? In the Black-Scholes model if the risk free interest rate increases, what happens to the payoff? Does the commodity price increase or decrease and why?

Questions around your experience with Python, optimisation, financial domain knowledge and some Maths-type brainteasers. How many zeros does 100! (factorial) have? Write a function to find the most frequent character in a given string. Find the second largest number in an array.
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Quantitative Developer

Interviewed at LSEG (London Stock Exchange Group)

3.6
May 12, 2025

Questions around your experience with Python, optimisation, financial domain knowledge and some Maths-type brainteasers. How many zeros does 100! (factorial) have? Write a function to find the most frequent character in a given string. Find the second largest number in an array.

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