Expected Value (EV) Practice Game
Rapid +EV / −EV calls under a ticking clock — the betting-game round firms love.
Free account required to play.
"Would you take this bet?" is a staple of trading interviews — SIG, Jane Street, and others fling bets at candidates to watch their gut for expected value and risk. Take the Bet? recreates that round: offers come fast, and you snap-judge whether each one is positive or negative expected value.
Because it's scored on both speed and accuracy, you learn to compute EV quickly without getting sloppy — the exact skill the live round is testing. Outcomes are randomised, so nothing is memorisable; you're building genuine judgement.
What it's modelled on
SIG-style betting-game interview rounds
This recreates the 'would you take this bet?' round trading desks use to watch your gut for expected value and risk — most associated with SIG's decision and betting games, and common at Jane Street, IMC, and Akuna's probability-based betting stages.
What it trains
- Fast expected-value estimation on bets and games
- Positive- vs negative-EV judgement under time pressure
- The betting-game instinct trading desks interview for
How it's scored
Each round you call the bet +EV or −EV; you're scored on speed and accuracy together, so faster correct calls score best. Free to play; Premium tunes difficulty and round count.
Related guides
Frequently asked questions
- How do I prepare for 'would you take this bet?' interview questions?
- Practise translating a messy bet into a clean expected-value calculation quickly, and remember that variance can matter as much as the mean when you can only play once. Take the Bet? drills rapid +EV/−EV decisions under a clock.
- Which firms ask betting-game questions?
- SIG is especially known for expected-value betting games, and Jane Street, IMC, Akuna, and Flow Traders all use bet- and game-style questions to probe how you reason about edge and risk.