On the call side, Checkpoint Software is seeing more than 16 times the normal call volume after the company announced a share repurchase program. Shares of the company are up 2.5% today. Also topping the list of active call options are consumer retail firms American Eagle Outfitters and GameStop. American Eagle is trading up around 9% today on speculation that the company may be a takeover target. Also of note in call options are Teradata and Whole Foods, both of which recently reported better than expected earnings. Taking a look at the put side of the ledger, Akamai has had about 11 times the average amount of puts traded. Shares of the company are trading down around 15% today after the company posted disappointing Q1 guidance. DR Horton and Cisco are also active with 7.4 and 6.7 times the average amount of put volume today. Rackspace Hosting is seeing high put option activity and is set to report earnings after the market closes today. Finally, entertainment software maker Activision Blizzard rounds out the list with 5.6 times the average amount of puts the day after the company issued disappointing guidance and announced the end of its Guitar Hero franchise.