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.

3M Company (MMM) had 90-Day Put-Call Ratio (Open Interest) of 0.6392 for 2025-07-16.

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Figures for 2025-07-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2859
Historical Volatility (Parkinson)	0.2190
Implied Volatility (Calls)	0.2894
Implied Volatility (Puts)	0.2874
Implied Volatility (Mean)	0.2884
Put-Call Implied Volatility Ratio	0.9931
Implied Volatility Skew	0.0379
Option Statistics
Put-Call Ratio (Volume)	0.1783
Put-Call Ratio (Open Interest)	0.6392