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Crossing network utilizing satisfaction density profile with price discovery features

  • US 6,012,046 A
  • Filed: 10/16/1997
  • Issued: 01/04/2000
  • Est. Priority Date: 12/12/1995
  • Status: Expired due to Term
First Claim
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1. A method for matching orders for a plurality of instruments based upon a satisfaction and size profile, the method being performed on a computer, the method comprising the steps of:

  • receiving a plurality of orders as a satisfaction density profile, each satisfaction density profile representing a degree of satisfaction to trade an instrument at a plurality of (price, quantity) combinations and representing either a buy order or a sell order for the instrument;

    pairing each satisfaction density profile representing a sell order with each satisfaction density profile representing a buy order;

    calculating for each satisfaction density profile pair a mutual satisfaction function, each mutual satisfaction function including a plurality of (price, quantity) combinations representing a degree of mutual satisfaction for trading said quantity at said price;

    ranking according to the degree of mutual satisfaction every (price, quantity) combinations of every mutual satisfaction function;

    wherein possible, matching in accordance with the ranking buy orders with sell orders; and

    comparing unmatched satisfaction density profiles representing buy orders for one or more predetermined instruments with unmatched satisfaction density profiles representing sell orders for corresponding one or more predetermined instruments to obtain spread information for each one or more predetermined instruments.

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