US Patent 9959574 Risk assessment

A clearing system comprising: a database for storing a plurality of accounts; and a risk manager for carrying out a risk assessment for a group of accounts comprising one or more accounts of said plurality of accounts; said risk manager being configured to update a risk assessment for a group of accounts each time the clearing system receives information about a new event affecting at least one account of said group of accounts. The event may be a new trade. The trade may be reported to the clearing system as soon as it has been settled.