Patent ID: 7610238

Claim:
A computerized method of allowing traders to trade financial instruments at a plurality of trading floors, some, but not all, of the trading floors being credit bearing counter-parties which extend bilateral credit to one another, at least one of the trading floors being associated with one or more taker screens at which a trader can trade the financial instruments, at least a first of the taker screens displaying at least quotes made by other trading floors and permitting a trader using the first taker screen to accept certain ones of the quotes, the first taker screen having a best dealable price area and a best market price area, the method comprising: displaying in the best market price area of the first taker screen of the computerized trading system the best market quote made by one or more traders at any of the trading floors irrespective of whether or not the quote originated from a trading floor which is a credit bearing counter-party to the trading floor with which the first taker screen is associated; simultaneously displaying in the best dealable price area of the first taker screen the best dealable quote made by one or more credit bearing counter-parties of the trading floor with which the first taker screen is associated whereby the best dealable quote has been prescreened for credit; and permitting the trader using the first taker screen to accept the best dealable quote displayed in the best dealable price area but preventing that trader from accepting the best market quote displayed in the best market price area.