Tivo (TIVO) has given back most of the gains from the day before, when shares rallied on better-than-expected earnings news. Shares are down 51 cents to $6.71 and options volume is running at twice the typical levels, with 3,363 calls and 14 puts traded. May 7.5 calls are the most actives and almost all of today s 2,500 contracts hit ask-side.