Put-Call Ratio (Volume) (30-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Donaldson Company, Inc. (DCI) had 30-Day Put-Call Ratio (Volume) of 10.2353 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2640
Historical Volatility (Parkinson)	0.2187
Implied Volatility (Calls)	0.2701
Implied Volatility (Puts)	0.2345
Implied Volatility (Mean)	0.2523
Put-Call Implied Volatility Ratio	0.8680
Implied Volatility Skew	0.0286
Option Statistics
Put-Call Ratio (Volume)	10.2353
Put-Call Ratio (Open Interest)	0.6908