Mock Interviews
Simulate a real quant interview: multi-round sessions with timed problems, plus mental math sprints and market-making games where firms use them, matched to how each firm interviews. Then get a score report that pinpoints your weak spots before the real thing.
How a session works
Pick a firm
Rounds match how it interviews
Solve timed problems
Probability, coding, brainteasers
Play the game rounds
Mental math, market making, where firms use them
Get a score report
Per-round scores, time, weak spots
Interview formats
Jane Street
Probability & expected value · Game theory · Market making games
Citadel
Algorithms & data structures · Python & C++ coding · Research ability & problem-solving
Two Sigma
Data analysis & modeling · Statistics & regression · Feature engineering
DE Shaw
Mathematics & statistics · Algorithms & coding · Brain teasers
Optiver
Mental arithmetic (speed-critical) · Probability & Bayes theorem · Market intuition
Akuna Capital
Mental arithmetic · Betting strategy & expected value · Probability
Susquehanna (SIG)
Probability & combinatorics · Expected value games · Deductive logic
General
Mixed topics across all categories
Sample score report
63%
Score
2/2
Rounds played
29m 12s
Total Time
Market Making round
4 quotes on hidden dice, informed trader
+9.5 P&L
3/4 spreads held
Conditional Expectation Under Time Pressure
Done
4m 12s
Maximum Subarray (Trading P&L)
Done
3m 05s
Fair Price of a Dice Game
Skipped
20m 0s
Focus area: Market Making. Practice these before your next round.
Premium unlocks every mock format
7 firm formats plus a general session, and a detailed score report after each.
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