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.

Summit Therapeutics PLC (SMMT) had 30-Day Put-Call Ratio (Volume) of 3.6867 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4975
Historical Volatility (Parkinson)	0.4746
Implied Volatility (Calls)	1.1642
Implied Volatility (Puts)	1.1848
Implied Volatility (Mean)	1.1745
Put-Call Implied Volatility Ratio	1.0177
Implied Volatility Skew	0.0509
Option Statistics
Put-Call Ratio (Volume)	3.6867
Put-Call Ratio (Open Interest)	4.4381