SLE calls are seeing interest after private equity chatter made the rounds. Seeing the most volume are the Aug 17.5 calls (volume: 6230, open int: 2260, implied vol: ~29%, prev day implied vol: 20%) -- earnings are expected in early Aug; COST calls are seeing interest as an early spike in the stock was attributed to LBO chatter. Seeing the most volume are the Aug 65 calls (volume: 10.0K, open int: 6170, implied vol: ~28%, prev day implied vol: 22%); EVVV Sept 20 calls (volume: 2510, open int: 450, implied vol: ~46%, prev day implied vol: 40%) -- the co acquired FOXH yesterday for $780 mln in cash and stock; FO Aug 85 calls (volume: 1840, open int: 640, implied vol: ~25%, prev day implied vol: 20%) -- earnings are confirmed on Friday (7/27) before the open; NOK Aug 30 calls (volume: 13.3K, open int: 6450, implied vol: ~36%, prev day implied vol: 31%) -- earning are confirmed on 8/2; YHOO calls are seeing interest after an early pop in the stock was attributed to renewed takeover chatter. Seeing the most volume are the Aug 27.5 calls (volume: 14.2K, open int: 44.4K, implied vol: ~38%, prev day implied vol: 33%); CEN Sept 35 calls (volume: 2010, open int: 0, implied vol: ~17%, prev day implied vol: 13%) -- earnings are confirmed on Thursday (7/26) before the open...