SIG, or Susquehanna International Group, is a global quantitative trading firm that specializes in options market making and proprietary trading strategies. Founded in 1987, SIG has grown to become one of the largest and most successful trading firms in the world. The company is known for its innovative approach to trading and its ability to leverage technology and data analytics to generate profits in various market conditions. SIG operates in a wide range of financial markets, including equities, options, futures, and fixed income. Headquartered in Bala Cynwyd, Pennsylvania, SIG has offices in major financial centers across North America, Europe, and Asia. The firm's team of talented traders and technologists is committed to delivering liquidity, efficiency, and value to its clients while managing risk effectively.