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.

Knowles Corporation (KN) had 30-Day Put-Call Ratio (Open Interest) of 0.5152 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3516
Historical Volatility (Parkinson)	0.3121
Implied Volatility (Calls)	0.5225
Implied Volatility (Puts)	0.4906
Implied Volatility (Mean)	0.5066
Put-Call Implied Volatility Ratio	0.9389
Implied Volatility Skew	0.0309
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.5152