Largest option buying in equities so far(7)

Nearing the halfway mark in today's session, here are the individual equity names with the most call and put buying on optionMONSTER's ActionTracker data system.

Sprint Nextel (S): More than 26,000 January 5 calls were bought, mostly for $0.05, but volume was below open interest. S rose 3.83 percent to $2.845.

Viacom-B (VIA.B): A block of 10,000 November 41 calls traded against existing open interest. VIA/B rose 3 percent to $41.50.

JP Morgan (JPM): More than 8,000 February 37 calls were purchased, with the largest block pricing for $1.31. JPM fell 0.43 percent to $32.40. (See related stor y)

Williams (WMB): About 13,000 December 29 puts were bought, mostly for $1.16, but volume was below open interest. WMB rose 0.33 percent to $30.39.

Computer Sciences (CSC): A block of 5,000 December 20 puts was bought for $0.30 as investors look for downside. CSC fell 6.95 percent to $25.96. (See related story )