Green Mountain Coffee Roasters (GMCR) is up $2.13 and the action in the options market seems to suggest that volatility might be brewing ahead of earnings. Total options volume is running 4X the average daily, with 22K calls and 15K puts traded. Most of the activity is in the front month. Nov 80 calls and 65 puts are the most actives. Meanwhile, implied volatility (average) is heading up to 76 (+7.1) and a hefty skew between Nov (101.8) and Dec (67.5) hints at a possible $10.25, or 13.6 percent, earnings gap move when GMCR reports after the closing bell.