Citigroup Inc. (NYSE:C) shares are trading higher today. The bank reportedly agreed with the Bourse de Montreal to settle claims of failing to report large options contract positions. The exchange noted that Citigroup lacked a system to ensure employee compliance with reporting rules, reported Reuters. As part of the settlement, Citi will pay a $138,000 fine and $10,600 in related costs. Last week, the U.S. bank regulator Federal Reserve Board and the Office of the Comptroller of the Currency (OCC) have fined Citigroup $135.6 ...