Susquehanna International Group

Susquehanna International Group is a global quantitative trading and technology firm based in the US, known for market making, proprietary trading, and quantitative research. The firm trades across asset classes including equities, options, ETFs, and fixed income, using mathematical models and high-frequency trading infrastructure. SIG is also a significant investor in venture capital through Susquehanna Growth Equity. With offices in the US, Europe, and Asia, the firm is noted for its strong internal training programs, flat structure, and heavy emphasis on probability, decision-making, and applied game theory.