Patent ID: 7844538

Claim:
A computer implemented method for processing a plurality of trading orders for at least one instrument comprising: receiving a value-based order to trade at least one instrument by a computer, said value-based order consisting of a specified currency amount of the at least one instrument desired to be traded at a price determined by a market in the at least one instrument; receiving a share-based order to trade at least one instrument by the computer, said share-based order including a specified amount of shares of the at least one instrument desired to be traded at a price determined by the market in the at least one instrument; combining with a computer the value-based order for the at least one instrument and the share-based order for said at least one instrument to form a single order for the at least one instrument, said single order being a share-based order including a specified amount of shares of the at least one instrument desired to be traded at a price determined by the market in the at least one instrument; and submitting the single order to an electronic trading system for execution in a market for the at least one instrument.