Put-Call Ratio (Open Interest) (120-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 120-Day Put-Call Ratio (Open Interest) of 1.9891 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)	0.4277
Implied Volatility (Puts)	0.4925
Implied Volatility (Mean)	0.4601
Put-Call Implied Volatility Ratio	1.1516
Implied Volatility Skew	0.0169
Option Statistics
Put-Call Ratio (Volume)	0.7214
Put-Call Ratio (Open Interest)	1.9891