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Systems and methods for trading

  • US 7,552,084 B2
  • Filed: 11/29/2007
  • Issued: 06/23/2009
  • Est. Priority Date: 04/30/1999
  • Status: Expired due to Fees
First Claim
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1. An apparatus comprising:

  • at least one processor; and

    at least one memory device electronically coupled to the at least one processor, in which the at least one memory device stores control logic which, when executed by the at least one processor, directs the at least one processor to;

    receive on a first side of a market a first order and a second order, in which the first order comprises a first price and the second order comprises a second price;

    receive from a work station a trading command against at least a portion of the first side of the market, including at least a portion of the first order;

    prior to processing the trading command, cancel the first order, in which to cancel the first order causes the trading command to apply to at least the second order;

    determine an amount of time between a time the first order is canceled and a time of the trading command;

    determine that the amount of time is less than a predetermined value; and

    based at least in part on determining that the amount of time is less than the predetermined value, communicate to the work station that no trade has been completed.

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