Largest option buying in equities so far

optionMONSTER

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.

Bank of America (BAC): An investor sold 30,000 February 8 puts for $0.39 and bought an equal number of February 10 calls for $0.41. Volume was below open interest at both strikes, so the activity may result from a new bullish trade being implemented or an existing bearish trade being closed. BAC rose 0.11 percent to $8.97.

Microsoft (MSFT): Volume surged in the January 29 calls for $1.77 to $1.81 as investors positioned for upside in the software giant. MSFT rose 0.61 percent to $29.67.

Covanta (CVA): An investor bought 7,500 March 17.50 calls for $0.70 and sold an equal number of March 15 puts for $0.30, looking for the stock to rally into early 2013. CVA fell 0.29 percent to $17.12. (See related story )

Pfizer (PFE): A block of 20,000 December 25 puts were bought for $0.65, followed by a large trade in the shares. That is consistent with a directional-neutral volatility play that will profit from higher option premiums rather than move up or down. PFE rose 0.22 percent to $25.09. (See related story )

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