Patent ID: 8160953

Claim:
A method of managing trading orders, comprising: receiving by at least one computing device a request to place a first order to trade a first product, the request being made using an account that comprises one or more current balances; determining by the at least one computing device a risk value for the first order based at least in part on the first product; determining by the at least one computing device whether to approve the first order based at least in part on the risk value determined for the first order and one or more of the current balances for the account; if the first order is approved, placing by the at least one computing device the first order; receiving by the at least one computing device a request to place a second order to trade a second product, the second order at least partially defined by a stake; placing by the at least one computing device the second order; matching by the at least one computing device the first order with a third order to at least partially fill the first order; adjusting by the at least one computing device one or more of the current balances associated with the account based at least in part on the risk value of the matched first order; and reducing by the at least one computing device the stake of the unmatched second order by an amount based at least in part on at least one of the adjusted current balances.