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Automatic stock trading system

  • US 6,594,643 B1
  • Filed: 11/30/1999
  • Issued: 07/15/2003
  • Est. Priority Date: 11/30/1999
  • Status: Expired due to Fees
First Claim
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1. An individual trading computer for automatically trading investment items, the individual trading computer comprising:

  • an input unit receiving predetermined trading criteria including a predetermined stop loss value for the item from an individual;

    a data interface periodically receiving pricing data from an individual selected data source selected by the individual, the pricing data identifying at least one item capable of being traded and containing a price information uniquely associated with the item; and

    a computer in communication with the data interface and the input unit, the computer having a reference to the item stored thereon, the computer automatically monitoring the price of the item via the pricing data and changing an execution price of a moving stop loss in a first direction as the price of the item changes in the first direction and maintaining the execution price of the moving stop loss as the price of the item changes in a second direction opposite from the first direction, the computer automatically outputting a trade request signal to an individual selected market trader selected by the individual in response to the price of the investment item changing in the second direction to the execution price of the moving stop loss, the trade request signal identifying at least one trade of the item to be made by the individual selected market trader and authorizing the individual selected market trader to make the trade identified in the trade request signal whereby at least a portion of the trade identified in the trade request signal is capable of being consummated.

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