Answer:
the exchanges on which stock options are traded
Explanation:
The Option Clearing Corporation is a clearing house based in the United States and they provide settlement, clearing, and central counterparty services.
They deal in options such as options, futures, and security lending.
The OCC is owned by the exchange on which they are traded such as Intercontinental Exchange's NYSE ARCA, NYSE MKT, Nasdaq and Cboe Global Markets.
