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Liquidity engine for futures trading exchange

  • US 7,752,116 B2
  • Filed: 10/30/2002
  • Issued: 07/06/2010
  • Est. Priority Date: 10/30/2002
  • Status: Active Grant
First Claim
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1. A screen-based electronic system used for trading futures commodity contracts in varying volumes or lot sizes by futures market makers or other market participants using a plurality of remote futures trading terminals, said system comprising:

  • a centralized futures trading host server communicatively coupled to the remote trading terminals for imposing futures margin limit requirements on each bid and offer received from the remote terminals prior to storing the bid or offer in a consolidated limit order book, comprising;

    a matching engine for automatically matching bids and offers using a price/time priority;

    a matched trade database containing trading data for matched bids and offers, including a bid time value and an offer time value; and

    a fee calculator for periodically determining a fee to be charged for each bid and offer that is matched, where the fee includes a first rebate credit for the bid or offer that has the earlier time value, and includes a second rebate credit if the bid or offer having the earlier time value was submitted by a futures market maker, and where the fee includes a first surcharge for the bid or offer that has the later time value, and includes a second surcharge if the bid or offer having the later time value was submitted by a futures market maker.

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