Hanger Orthopedic (HGR) is at an implied volatility extreme low of 27.33% that is less than 99.73% of past values prior to 3/12/2010 (Close Price 18.08). On prior close, 3/11/2010, the implied volatility was 40.57% and at the 22.04 percentile. Closing price was 17.99.

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