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.

KraneShares Bosera MSCI China A 50 Connect Index ETF (KBA) 30-Day Put-Call Ratio (Open Interest) data is not available for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1637
Historical Volatility (Parkinson)	0.0523
Implied Volatility (Calls)	0.5516
Implied Volatility (Puts)	0.5695
Implied Volatility (Mean)	0.5605
Put-Call Implied Volatility Ratio	1.0326
Implied Volatility Skew	0.4978
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--