Patent ID: 8214283

Claim:
A method of executing an order for a listed options contract using a computer, the method at least one of implemented and assisted by the computer, comprising: electronically receiving the order by a first computer order system, from a broker-dealer computer system; electronically transmitting the order by the first computer order system to an options exchange for execution; monitoring the outcome of the trade by the first computer order system when the order is sent to the options exchange for execution; and if the first computer order system determines that the completed trade is toxic responsive to order characteristics comprising order parameters, market condition parameters and execution parameters and where a toxic trade is indicative of the order having a characteristic of one of no profit, reduced profit and a loss when at least one of a wholesaler and a market maker provides market liquidity, the first computer order system implementing a corrective action based at least in part on the step of monitoring the outcome of the trade.