Options Clearing Corporation

Clearing

The Options Clearing Corporation (OCC) serves as the central clearinghouse for options contracts traded on regulated exchanges in the United States. It acts as the guarantor for every options contract, effectively becoming the buyer to every seller and the seller to every buyer. This process eliminates counterparty risk between market participants, ensuring the integrity of the options market.
Rho A stylized depiction of a decentralized finance protocol's inner workings.

Rho

Meaning ⎊ Sensitivity of an options price to changes in the risk free interest rate.