Patent ID: 8650111

Claim:
A system for monitoring derivatives transactions, the system comprising: a trading engine computer system configured to communicate with a plurality of counterpart computers, the trading engine computer system including one or more computers, the one or more computers including a storage medium and one or more processors, and wherein computer programming is stored on the storage medium and operative on the processors to enable the monitoring and execution of the derivatives transactions; a centralized trade history database system including one or more mass storage devices and communicatively connected to the trading engine computer system and configured to communicate with the plurality of counterpart computers, the centralized trade history database system configured to store a set of records of at least a portion of the derivatives transactions executed on the trading engine computer system for later retrieval by the plurality of counterpart computers; and wherein the trading engine computer system is configured to monitor an unwinding of a single derivatives transaction by initiating a record of the unwinding to be stored in the centralized trade history database system, and sending a notification of the unwinding of the derivatives transaction and update a credit position of at least one party based upon data stored in the centralized trade history database.