Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Nacel Energy Corp. (NCEN) had 180-Day Put-Call Ratio (Open Interest) of 0.9340 for 2004-09-30.

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Figures for 2004-09-30

Volatility Metrics
Historical Volatility (Close-to-Close)	--
Historical Volatility (Parkinson)	--
Implied Volatility (Calls)	0.3890
Implied Volatility (Puts)	0.4890
Implied Volatility (Mean)	0.4390
Put-Call Implied Volatility Ratio	1.2569
Implied Volatility Skew	0.0271
Option Statistics
Put-Call Ratio (Volume)	0.1463
Put-Call Ratio (Open Interest)	0.9340