Cyberonics, Inc. (CYBX) is at an implied volatility extreme low of 41.50% that is less than 98.79% of past values prior to 6/12/2008 (Close Price 18.40). On prior close, 6/11/2008, the implied volatility was 56.40% and at the 47.14 percentile. Closing price was 17.19.

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