CBOE and S&P sue ISE over SPY

Standard & Poor’s parent McGraw Hill and the CBOE asked a court in Chicago to enforce a pre-existing injunction against the International Securities Exchange to prohibit the ISE from listing and trading options on the ISE Max SPY Index, arguing the ISE products are essentially S&P index options.

http://www.indexuniverse.com/sections/news/11386-cboe-sap-sue-ise-over-spy-options.html

 

They'd have a good case for saying that, IMO.