SPDR GoldTrust (GLD) is at an implied volatility extreme low of 16.77% that is less than 99.70% of past values prior to 7/20/2010 (Close Price 116.65). On prior close, 7/19/2010, the implied volatility was 22.06% and at the 28.35 percentile. Closing price was 115.73.

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