Notable Options Activity in USG Corp.

Shares of USG Corp. USG are higher on the session by 2.1%, currently trading at $17.11. They announced earnings this morning before the opening that were $0.16 better than the consesus estimate. Options volatility is down across the board with April vol -22.1 points and the May volatility -6.9 points. The strike seeing the heaviest action is the April 2012 $16.00 put, which has traded over 500 times on open interest of 2,700 contracts. USG Corp. distrubutes building materials throughout the world.