Central Counterparty Clearing
A central counterparty clearing house, or CCP, is an entity that interposes itself between the counterparties to financial contracts traded in one or more markets. By becoming the buyer to every seller and the seller to every buyer, the CCP effectively guarantees the performance of the contract.
This process, known as novation, replaces the original bilateral contract with two separate contracts with the CCP. This reduces counterparty risk, as participants only need to worry about the solvency of the CCP rather than the solvency of every individual trader.
CCPs also manage risk through rigorous margin requirements, default funds, and stress testing. They are the bedrock of stability in derivatives markets, ensuring that systemic shocks do not propagate through the financial system.