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.

COMPASS Pathways PLC Sponsored ADR (CMPS) had 30-Day Put-Call Ratio (Volume) of 0.2277 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9686
Historical Volatility (Parkinson)	0.7793
Implied Volatility (Calls)	0.8840
Implied Volatility (Puts)	1.1783
Implied Volatility (Mean)	1.0312
Put-Call Implied Volatility Ratio	1.3329
Implied Volatility Skew	0.2987
Option Statistics
Put-Call Ratio (Volume)	0.2277
Put-Call Ratio (Open Interest)	0.4632