Patent US RE44965

A system and method calculate an optimal rates in a multisource price engine in over the counter (OTC) markets. The system and method integrate rates from multiple liquidity sources to generate an output rate that can be transacted upon. Specifically, the system and method calculate a best bid/offer rate from input rates provided by multiple liquidity sources and apply a target spread and minimum profit to the best bid/offer rate to generate an optimal output rate. The optimal output rate may be a function of many factors, including market conditions, customer credit, and the preferences of the market maker or broker.