The Court also struck some, but not all, of the experts’ opinions based upon trader usage. Trading Techs. Int’l, Inc. v. CQG, Inc., No. 05 C 4811, Slip Op. (N.D. Ill. Sep. 10, 2014) (Coleman, J.).

Judge Coleman granted in part and denied in part defendants’ (collectively “CQG”) motion to strike portions of plaintiff …