Companhia Energetica de Mina (CIG) is at an implied volatility extreme low of 9.31% that is less than 100.00% of past values prior to 4/29/2010 (Close Price 18.50). On prior close, 4/28/2010, the implied volatility was 34.95% and at the 38.55 percentile. Closing price was 18.18.

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