OCC is the issuer and registered clearing facility for all U.S. exchange-listed securities options, including those traded on the American Stock Exchange, the Chicago Board Options Exchange, the Pacific Exchange, the Philadelphia Stock Exchange and The International Securities Exchange.
International clearing and settlement organisation, offering comprehensive services for domestic and cross-border equities, bonds and investment funds.
Organization responsible for the clearing and settlement of the Athens Stock Exchange transactions and administration of the Dematerialized Securities System (DSS).