Old Mission operates as a market maker that focuses on providing liquidity for hard-to-price and illiquid exchange-traded funds (ETFs). The company facilitates the buying and selling of these financial products, helping large institutions manage and transfer risk effectively. Old Mission's approach involves a team of traders and technologists who work collaboratively to ensure efficient transactions and problem-solving. Unlike many competitors, Old Mission emphasizes the human element in its operations, fostering a culture of humility and approachability among its staff. The company's goal is to support its clients by delivering exceptional service and liquidity solutions, ultimately contributing to the stability and efficiency of the financial markets.