Calendar  Volatility Report 5/4/2010  Volatility Report 5/5/2010  Volatility Report 5/6/2010  
MDU Resources Group (MDU) is at an implied volatility extreme high of 42.07% that is greater than 94.76% of past values prior to 5/5/2010 (Close Price 19.76). On prior close, 5/4/2010, the implied volatility was 19.39% and at the 33.51 percentile. Closing price was 19.87.

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Tuesday, Sep 7, 2010