Put-Call Ratio (Open Interest) (90-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.

KraneShares California Carbon Allowance Strategy ETF (KCCA) had 90-Day Put-Call Ratio (Open Interest) of 0.1017 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2046
Historical Volatility (Parkinson)	0.1785
Implied Volatility (Calls)	0.4171
Implied Volatility (Puts)	0.4322
Implied Volatility (Mean)	0.4246
Put-Call Implied Volatility Ratio	1.0364
Implied Volatility Skew	0.1877
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1017