Method and apparatus for stock and index option price...

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Reexamination Certificate

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C705S035000

Reexamination Certificate

active

08055577

ABSTRACT:
A method for stock option trading includes 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, 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 for fulfillment, wherein the contra-order specifies at least one of an underlying security potential cross quantity, and the potential cross price.

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Investment Dealers' Digest “Schwab inks deal with Cincinnato to trade NYSE stocks” Sep. 6, 1999.
Walker, Joseph A., “How the Options Markets Work,” 1991, Chapter 6, Equity Options Strategies.

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