About
Susquehanna International Group (SIG) is a global quantitative trading firm founded by a group of friends with a shared passion for game theory and probabilistic thinking. Through its rigorous, analytical approach to decision-making, SIG has grown to become one of the largest and most successful proprietary trading firms in the world.
Across offices worldwide, SIG's employees are relentless problem solvers who collaborate to make optimal decisions. The firm’s deep integration of trading, technology, and quantitative research allows it to be an expert in trading nearly all listed financial products and asset classes, with a particular focus on derivatives. SIG handles millions of transactions daily, acting as both a market maker and market taker, providing liquidity and ensuring competitive prices for buyers and sellers.
While SIG’s market presence is broad, its trading desks are highly specialized, enabling a deep understanding of the unique drivers behind each asset class. This specialized expertise ensures that SIG remains at the forefront of the global trading landscape.
Values
Good Decision Making
SIG takes a rigorous, analytical approach to decision-making. The firm believes that becoming a good decision maker requires reflection and practice. To support this, SIG provides resources and opportunities for employees to continuously improve their decision-making skills.
Teamwork
At SIG, teamwork is paramount. The firm believes that smart people working together can find better solutions than any individual working alone. By collaborating, ideas are refined, confidence grows, and the best decisions are made.
Belonging
SIG fosters a culture of collaboration where every employee feels welcome and comfortable. The firm encourages asking questions and challenging assumptions to promote growth. SIG recognizes that diversity of thought strengthens the organization and its decision-making processes.
Growth Mindset
SIG embraces a growth mindset, constantly learning and challenging themselves to improve. The firm’s commitment to development and hard work is a key driver of its success.
Expertise
SIG values the expertise of its employees and provides an environment where individuals can make a meaningful impact. The firm encourages the use of specialized knowledge to drive innovation and success.
Integrity
Dependability and honesty are at the foundation of SIG’s relationships. The firm’s culture is built on mutual respect, which is integral to its long-term success.
What sets us apart
Game‑Theory DNA
Trading decisions are taught through poker, chess and probability puzzles; every hire learns No‑Limit Hold’em and competes in the annual in‑house tournament—two employees hold WSOP bracelets—cementing a culture of rational, odds‑driven thinking.
Year‑Long Philadelphia Trader Academy
New grads spend 12 months at HQ mastering options pricing, risk and game theory through classroom sessions and live simulations before joining global desks in Sydney, Dublin or New York fully desk‑ready.
Options Market‑Making Scale with Balanced Hours
After training, traders manage thousands of option strikes during exchange hours only, earning generous bonuses in a collaborative floor that values clear logic over bravado.
