OCC is the world's largest equity derivatives clearing organisation, founded in 1973 and headquartered in Chicago. The firm provides clearing, settlement and risk-management services for equity derivatives and other financial contracts, processing millions of transactions daily. It operates under the regulatory oversight of the U.S. Securities and Exchange Commission and the Commodity Futures Trading Commission.
The organisation's core function is to act as a central counterparty, standing between buyers and sellers to reduce counterparty risk and provide operational certainty in derivatives markets. OCC maintains sophisticated risk-management frameworks designed to protect market participants and preserve the stability of the financial system. Its settlement services support the post-trade lifecycle of cleared contracts, ensuring efficient capital flows across the market.
OCC's fifty-year operating history reflects a focus on building operational resilience and maintaining trust within the financial infrastructure. The organisation brings together financial expertise and technological capability, with teams collaborating across clearing, settlement, risk management and compliance functions. Its culture emphasises precision and operational excellence in executing its mission as a foundational service provider to the capital markets.