Put-Call Ratio (Open Interest) (20-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.

iShares Global Clean Energy ETF (ICLN) had 20-Day Put-Call Ratio (Open Interest) of 0.0942 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2092
Historical Volatility (Parkinson)	0.1637
Implied Volatility (Calls)	0.3134
Implied Volatility (Puts)	0.2716
Implied Volatility (Mean)	0.2925
Put-Call Implied Volatility Ratio	0.8666
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0942