Probability & reasoning
Probability Trainer
Timed probability drills inspired by real trading-firm interviews: counting, conditional & Bayes, expected value and logic puzzles. Tune the difficulty, topics and pace, then track your accuracy and speed.
Settings
Save3 minutes
1 min15 min
Performance
This combinationhighest accuracy
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attempts
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Track your best scores and watch your accuracy climb across every session.
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Last 30 days| 1 | jmc | 9 / min |
| 2 | ArbDerivative | 8 / min |
| 3 | NimbleBook | 8 / min |
| 4 | RoadtoOptiver | 8 / min |
| 5 | SwiftCollar | 7.2 / min |
| 6 | fish | 6.3 / min |
| 7 | RiskyTick | 6 / min |
| 8 | PropCollar | 6 / min |
| 9 | Soulwinder | 5 / min |
| 10 | janestreaker | 4.9 / min |
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