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10,158 quantitativer analyst interview questions shared by candidates

At some point in time there are N cars moving on the same direction on a one-lane road. Their speeds form a random sample of some continuous distribution. Each car will move at its current speed unless it reaches another (slower) car, at which point it will slow down to the speed level of the slower car. What is the expected number of car clusters that will be observed in the long run?
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Quantitative Analyst

Interviewed at Knight Capital

3.4★
Apr 17, 2015

At some point in time there are N cars moving on the same direction on a one-lane road. Their speeds form a random sample of some continuous distribution. Each car will move at its current speed unless it reaches another (slower) car, at which point it will slow down to the speed level of the slower car. What is the expected number of car clusters that will be observed in the long run?

You have a bet. There is half probability to get $1.55, and half probability to get $0.55. It cost $1 to play. Will you play it? Will you bet all of your wealth on it? Will you play 100 times in a row with all of your wealth?
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Quantitative Research Analyst

Interviewed at STEVENS CAPITAL MANAGEMENT LP

4.8★
May 11, 2015

You have a bet. There is half probability to get $1.55, and half probability to get $0.55. It cost $1 to play. Will you play it? Will you bet all of your wealth on it? Will you play 100 times in a row with all of your wealth?

Home assignment: OANDA operates a trading platform which allows clients to buy and sell currency pairs. When a client makes a trade to buy or a sell a currency pair, the company must decide to either (a) offset the exposure immediately by hedging the trade with a bank, or (b) hold the exposure for a period of time allowing the market to move before hedging the trade. If the company hedges the trade immediately, they will realize a small profit for each trade. If they hold the exposure, then they may realize a large profit or loss, depending if the market moves with or against the exposure. You are tasked with determining (for each client trade) whether we should hedge the trade immediately or should hold on to the exposure for a period of time. Describe how you would perform this analysis, including what data, tools, or processes you would use. State your assumptions. Comment from HR: The trading team is not looking for an exact solution, more to see your understanding of the problem, and for a proposal about how one would go about finding a solution to the problem. No formulas are required.
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Quantitative Trading Analyst

Interviewed at OANDA

3.5★
Jul 5, 2017

Home assignment: OANDA operates a trading platform which allows clients to buy and sell currency pairs. When a client makes a trade to buy or a sell a currency pair, the company must decide to either (a) offset the exposure immediately by hedging the trade with a bank, or (b) hold the exposure for a period of time allowing the market to move before hedging the trade. If the company hedges the trade immediately, they will realize a small profit for each trade. If they hold the exposure, then they may realize a large profit or loss, depending if the market moves with or against the exposure. You are tasked with determining (for each client trade) whether we should hedge the trade immediately or should hold on to the exposure for a period of time. Describe how you would perform this analysis, including what data, tools, or processes you would use. State your assumptions. Comment from HR: The trading team is not looking for an exact solution, more to see your understanding of the problem, and for a proposal about how one would go about finding a solution to the problem. No formulas are required.

General statistics/probability question and some questions about alpha research. The firm hasn't made money in two years, but expanding rapidly(there is something wrong there). Firm management predates American Revolution and seemed clueless how to hire. After the process was finished, I came out with a bad taste in my mouth . Stay away they won't be around for too long.
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Quantitative Researcher

Interviewed at QuαntPORT

3.9★
Aug 9, 2019

General statistics/probability question and some questions about alpha research. The firm hasn't made money in two years, but expanding rapidly(there is something wrong there). Firm management predates American Revolution and seemed clueless how to hire. After the process was finished, I came out with a bad taste in my mouth . Stay away they won't be around for too long.

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