Carbo Ceramics Inc. (CRR) is at an implied volatility extreme low of 2.29% that is less than 100.00% of past values prior to 10/13/2009 (Close Price 52.78). On prior close, 10/12/2009, the implied volatility was 50.89% and at the 72.59 percentile. Closing price was 53.31.

Today's News on Carbo Ceramics Inc.