The technical interview consisted of a variety of questions on pricing, Fixed Income, numerical analysis. One question was: You are at the horse racetrack. Four horses are racing. Betting on any horse costs $100. Betting on the first three horses pays off $400. The fourth horse pays off $399. If you can both take and "write" bets, what is your strategy for riskless profit?
On the cover letter, a game theory problem with the problems. A multi-player game where all players play optimally and you have to find out what these optimal plays are given the settings in the questions. After, a general cognitive aptitude test which, if you respect yourself, you'll decline to do and move on to another company.
Why do you choose Optiver?
Explain some machine learning projects that you have worked on
Some random ill-posed question that was supposed to have been solved by binary search tree
1)Why Fidelity Investment? 2) Describe a recent article you read about investment strategy. 3) A situation where you needed to convince others to think your way. 4) Why should we hire you?
Asked about items on your CV
A dice is rolled twice, what is the probability that on the second chance it would be 6.
Si tuvieras todo un set de calcetines, con 5 amarillos, 4 rojos, 70 verdes y 8 negros, cuantos necesitarias coger, como minimo, para repetir color?
How to remove colinearity in correlated features?
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