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.

Thermo Fisher Scientific Inc. (TMO) had 30-Day Put-Call Ratio (Volume) of 0.9104 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2737
Historical Volatility (Parkinson)	0.2895
Implied Volatility (Calls)	0.3801
Implied Volatility (Puts)	0.3809
Implied Volatility (Mean)	0.3805
Put-Call Implied Volatility Ratio	1.0020
Implied Volatility Skew	0.0354
Option Statistics
Put-Call Ratio (Volume)	0.9104
Put-Call Ratio (Open Interest)	9.0968