The Chicago Board Options Exchange has countersued a rival exchange which had gone to court over CBOE's exclusive listing of some index options.
CBOE has filed a suit in Cook County, Illinois against the International Securities Exchange.
CBOE countersues over options listings
The Chicago Board Options Exchange has countersued a rival exchange which had gone to court over CBOE's exclusive listing of some index options.
CBOE has filed a suit in Cook County, Illinois against the International Securities Exchange.