Option activity is heating up for a second day in Universal Health Services, as investors look for the stock to rally over the next two months.

's real-time systems detected buying of the March 35 calls, which traded more than 5,800 times for $0.40, against open interest of just 44 contracts. It comes one session after new money flowed into the February 30 calls for $1 to $1.60 and the March 30 calls for $1.70.