Largest option trades in equities

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.

Williams (WMB): More than 10,500 1-November 36 calls were bought, mostly for $0.86 in big size as investors look for the pipeline stock to rally before the end of the month. WMB rose 1.01 percent to $35.89.

Masco (MAS): An investor sold 4,000 January 14 puts for $0.11 and bought a similar number of January 17 puts for $0.66. He or she may have rolled an existing position, but probably opened a new bearish put spread to protect against a weak earnings on Oct. 28. MAS fell 1.76 percent to $19.48.

Manitowoc (MTW): A block of 2,000 March 19 puts was sold for $2.20 as an investor looked for the stock to hold its ground into next spring. MTW fell 0.50 percent to $18.71.

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