Sunoco, Inc. (SUN) is at an implied volatility extreme low of 10.57% that is less than 100.00% of past values prior to 7/22/2005 (Close Price 123.21). On prior close, 7/21/2005, the implied volatility was 28.37% and at the 42.23 percentile. Closing price was 118.17.

Today's News on Sunoco, Inc.