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Method and apparatus for stock and index option price improvement, participation, and internalization

  • US 6,829,589 B1
  • Filed: 07/21/2000
  • Issued: 12/07/2004
  • Est. Priority Date: 07/21/2000
  • Status: Expired due to Term
First Claim
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1. A method for stock option trading comprising:

  • receiving an option order at a market;

    contemporaneously receiving a copy of the option order at an electronic drop (EDrop) system, which is separate and distinct from the market;

    identifying contract elements in the option order including a contract identifier, underlying security, strike price, and expiry;

    obtaining a potential cross quantity and a potential cross price based on the option order at the EDrop system; and

    submitting, through the EDrop system, a contra-order, with respect to the option order, to the market, wherein the contra-order specifies contract elements including the contract identifier, expiry, underlying security potential cross quantity, and the potential cross price to the market for fulfillment.

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