Trader Assistant Interview Questions

578 trader assistant interview questions shared by candidates

Asked 4 mental math questions, then asked a bunch of probabilities about them (such as, chance i got them all right, chance i got the hardest one wrong, chance i got the hardest one right but a different one wrong etc).
avatar

Assistant Trader - Intern

Interviewed at Jane Street

4.4
Feb 6, 2014

Asked 4 mental math questions, then asked a bunch of probabilities about them (such as, chance i got them all right, chance i got the hardest one wrong, chance i got the hardest one right but a different one wrong etc).

Question themes were on coin flip probabilities, probability of it raining on at least one of the days of the weekend given probability of it raining on one of the days. Concentrated on Bayesian statistics, expected values, and simple statistics.
avatar

Assistant Trader

Interviewed at Jane Street

4.4
Oct 6, 2012

Question themes were on coin flip probabilities, probability of it raining on at least one of the days of the weekend given probability of it raining on one of the days. Concentrated on Bayesian statistics, expected values, and simple statistics.

formule moyenne et variance empirique (leur distribution) formule L1 et L2 (Lasso et Ridge) Question sur les projets (XGBoost dans mon cas, son fonctionnement) Comment entrainer un modele de la bonne facon ? estimer Pi avec Monte carlo, comment faire ?
avatar

Assistant Trader

Interviewed at Société Générale

3.7
Mar 19, 2026

formule moyenne et variance empirique (leur distribution) formule L1 et L2 (Lasso et Ridge) Question sur les projets (XGBoost dans mon cas, son fonctionnement) Comment entrainer un modele de la bonne facon ? estimer Pi avec Monte carlo, comment faire ?

Viewing 511 - 520 interview questions

Glassdoor has 578 interview questions and reports from Trader assistant interviews. Prepare for your interview. Get hired. Love your job.