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HYBRID TRADING SYSTEM FOR CONCURRENTLY TRADING SECURITIES OR DERIVATIVES THROUGH BOTH ELECTRONIC AND OPEN-OUTCRY TRADING MECHANISMS

  • US 20100082473A1
  • Filed: 09/16/2009
  • Published: 04/01/2010
  • Est. Priority Date: 04/24/2003
  • Status: Active Grant
First Claim
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1. A method of trading derivatives in an exchange comprising:

  • collecting orders for derivatives and placing them in an electronic database;

    identifying at a trade engine a new quote from a first in-crowd market participant, wherein one of a bid or an offer price in the new quote matches a respective price in an order in the electronic database from a public customer;

    removing at least a portion of the order in the electronic database, delaying automatic execution of the new quote and the order, and starting a timer;

    reporting a market quote indicative of execution of the at least a portion of the order while delaying automatic execution;

    receiving at the trade engine a second quote from a second in-crowd market participant after receiving the new quote from the first in-crowd market participant and before an expiration of the timer, wherein the second quote matches the respective price of the public customer order in the electronic database; and

    allocating the order between the first and second in-crowd market participants at the trade engine, wherein the order is not executed until expiration of the timer.

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