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.

Thermo Fisher Scientific Inc. (TMO) had 30-Day Put-Call Ratio (Open Interest) of 0.6186 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2109
Historical Volatility (Parkinson)	0.2253
Implied Volatility (Calls)	0.2963
Implied Volatility (Puts)	0.2787
Implied Volatility (Mean)	0.2875
Put-Call Implied Volatility Ratio	0.9406
Implied Volatility Skew	0.0410
Option Statistics
Put-Call Ratio (Volume)	0.9370
Put-Call Ratio (Open Interest)	0.6186