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Firm-specific drill packs

Each firm tests different skills. Pick your target and drill exactly what they ask.

Optiver

80 questions in 8 minutes

Pure speed arithmetic — no calculator, no time to think

  • Mental multiplication (2-3 digit)
  • Percentage and fraction shortcuts
  • Powers and roots by feel
  • Rapid estimation to nearest order of magnitude

Passing: ~53 / 80 correct (varies by cohort)

Blitz modeFree practice

Jane Street

Probability & expected value rounds

Logic puzzles, conditional probability, market-making games

  • Expected value under uncertainty
  • Conditional probability (Bayes)
  • Combinatorics and counting
  • Pricing asymmetric bets
Blitz modeFree practice

SIG / Susquehanna

Poker and EV decision-making

Game theory framing — almost always framed as a betting scenario

  • EV calculations in multi-round games
  • Pot odds and implied odds
  • Combinatorics in card problems
  • Bluffing and equilibrium reasoning
Blitz modeFree practice

Citadel / Two Sigma

Technical rounds + Fermi estimation

Mixture of quant reasoning, market intuition, and case studies

  • Market structure and price intuition
  • Order-of-magnitude estimation
  • Options and derivative basics
  • Statistical reasoning
Blitz modeFree practice

Firm guides

Optiver

80-in-8 strategy and practice plan

Jane Street

Probability rounds, EV games, and culture

SIG / Susquehanna

Poker EV, game theory, and quantitative trading

Citadel

Math tests, options Greeks, and trading simulations

Two Sigma

Statistics, ML methodology, and coding interviews

Want a structured plan?

Follow the 6-week curriculum to build all skills systematically

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