Old Mission interview process & guide 2026
Everything we know about interviewing at Old Mission: what each round tests.
How hard is the Old Mission interview?
Aggregated from 92 interview experiencesAbout 1 in 15 candidates with a known outcome convert.
What Old Mission actually tests for
How prominent each skill is across reported loopsFind the guide for your role
This is your next step: open the guide for the role you are interviewing for. Each one carries the questions Old Mission interviewers actually ask that position, the loop structure, and pay by level.
Old Mission interview FAQ
Answered from real candidate and workplace dataHow hard is the Old Mission interview?
Candidates most commonly rate Old Mission interviews as medium, based on 92 reported interviews. About 7% of candidates who interview go on to receive an offer.
What topics does Old Mission test in interviews?
Old Mission interviews most often cover Market Making (Bid-Ask Quoting), Statistical Confidence Intervals, Order Book / Quote Updating Logic, Expected Value (Probability and Expected Outcomes), and Sampling / Estimation & Uncertainty. The exact emphasis depends on the specific role you apply for.
What roles can I prepare for at Old Mission?
Dataford has interview guides for 1 role at Old Mission, including Sales and Trading Analyst.
Ready for your Old Mission interview?
Practice the exact questions from this guide with AI feedback, and walk into your loop knowing what to expect.