SIG (Susquehanna)
Quantitative Trading Firm
Overview
Susquehanna International Group (SIG) is one of the largest proprietary trading firms in the world. Famous for its poker culture and game theory approach to trading. Strong emphasis on decision making under uncertainty.
Interview Process
Online Assessment
20-60 minutesThe SIG Quantitative Evaluation tests logic, brainteasers, and quantitative reasoning. Internships get 20 minutes; full-time gets 60 minutes with 17 questions.
HR Interview
30-45 minutesResume review and background discussion, followed by simple brainteasers. Tests communication and basic quant skills.
Technical Interview
60-90 minutesDeep technical interview with an experienced quant trader. Complex, open-ended probability and logic questions.
Onsite/Final Round
Full dayMultiple interviews testing technical skills, trading intuition, and cultural fit. May include trading simulations.
Roles & Tracks
Quantitative Trader
Trade options and other derivatives using quantitative methods. Strong focus on decision making and game theory.
Quantitative Researcher
Develop trading strategies and pricing models. Research-focused with direct trading applications.
Software Developer
Build trading systems, risk management tools, and research infrastructure.
Compensation (2026)
SIG is known for its performance-based compensation. Strong traders can see rapid growth. Benefits include excellent training programs.
Preparation Tips
- Game theory is central to SIG's culture - study it thoroughly
- Practice expected value and decision theory problems
- Learn basic options concepts (puts, calls, Greeks)
- SIG has a poker culture - understanding poker strategy helps
- Practice brainteasers and logic puzzles
- Research SIG's training program - it's a major selling point
Practice Mental Math
Sharpen your arithmetic speed for SIG interviews with our free mental math games.
Frequently Asked Questions
SIG is famous for teaching poker to traders as part of training. The firm believes poker develops skills crucial to trading: probability assessment, decision making under uncertainty, bankroll management, and reading opponents.
Very important. SIG emphasizes game theory and expected value in their interviews. Be prepared for questions about optimal strategies, Nash equilibria, and decision making under uncertainty.
Yes, SIG is known for one of the best training programs in the industry. New traders go through extensive education covering options, game theory, and trading strategies. Many people choose SIG specifically for this training.
SIG's process typically takes 3-5 weeks. Candidates for Quantitative Trader roles take an average of 32 days from application to offer. The process includes online assessment, HR screen, technical interviews, and onsite.
Practice SIG Interview Questions
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