The Maven Securities Assessment Day with Senior Traders interview is stage 4 of 4 in the Maven Securities interview process, after the HR + Technical Interview. Format: About 4 hours (per Maven's graduate profile); candidates report 1 to 4 hours of interviews. Maven's final assessment day (about four hours): meet the team, show technical ability, logical problem solving and motivation.
Preparing for this round? Open the Maven Securities Assessment Day with Senior Traders in the interview funnel. A free account saves your progress.
What the Assessment Day with Senior Traders tests
Reports: in-depth senior trader interviews, card-based market-making and expected value games, timed Fermi estimates, sometimes the probability and mental maths tests again in person, then individual interviews. Try: Make a Market, card table, market-making guide, betting game.
- Usually about four hours with senior traders: a brainteaser that turns into a card market game, estimation questions, and fit.
How to prepare for the Assessment Day with Senior Traders
- Quote around expected value. Start from the EV of the hidden quantity, set a spread you can defend and tighten it as cards are revealed.
- Track your position. Losing count of inventory and P&L is the quickest way to look shaky in a card market.
- Size bets with edge. Bet more when the odds favour you and say why.
- Bring options intuition. At an options market maker, basic put-call parity and what delta and vega mean help in trading discussions.
Final-week checklist
- Mental maths: about 50 questions in 5 minutes, no calculator or paper
- Sequences: about 30 number and letter patterns in 6 minutes
- Probability: about 18 multiple-choice questions in 30 minutes, wrong answers penalised
- 2026 variant: typed answers and 80% confidence interval estimates
- Video interview: why Maven, why trading, quick arithmetic
- Final: card-based market making, expected value games, Fermi estimates
Further reading: How quant superdays work · Market-making game interview guide · Behavioral questions at trading firms · Mental math for trading interviews · Fermi estimation questions.
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Frequently asked questions
What is the Maven Securities Assessment Day with Senior Traders interview?
It is stage 4 of 4 in the Maven Securities interview process, after the HR + Technical Interview. Format: About 4 hours (per Maven's graduate profile); candidates report 1 to 4 hours of interviews. Maven's final assessment day (about four hours): meet the team, show technical ability, logical problem solving and motivation. Reports: in-depth senior trader interviews, card-based market-making and expected value games, timed Fermi estimates, sometimes the probability and mental maths tests again in person, then individual interviews.
How long is the Maven Securities Assessment Day with Senior Traders interview?
Candidates report: About 4 hours (per Maven's graduate profile); candidates report 1 to 4 hours of interviews.
How should I prepare for the Maven Securities Assessment Day with Senior Traders interview?
Quote around expected value. Start from the EV of the hidden quantity, set a spread you can defend and tighten it as cards are revealed. Track your position. Losing count of inventory and P&L is the quickest way to look shaky in a card market.
What comes after the Assessment Day with Senior Traders?
Nothing: it is the last of the 4 stages QuantVault maps for Maven Securities.
Practice the Maven Securities Assessment Day with Senior Traders round
Open the round in the Maven Securities funnel: the round notes, prep, and every other stage of the process.