Put-Call Ratio (Open Interest) (30-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.

Hitachi Ltd. (HTHIY) had 30-Day Put-Call Ratio (Open Interest) of 0.7805 for 2012-10-19.

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Figures for 2012-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	--
Historical Volatility (Parkinson)	--
Implied Volatility (Calls)	2.3390
Implied Volatility (Puts)	2.1665
Implied Volatility (Mean)	2.2528
Put-Call Implied Volatility Ratio	0.9263
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.7805