Put-Call Ratio (Volume) (90-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Grayscale Bitcoin Trust ETF (GBTC) had 90-Day Put-Call Ratio (Volume) of 0.2170 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4899
Historical Volatility (Parkinson)	0.3371
Implied Volatility (Calls)	0.4738
Implied Volatility (Puts)	0.4799
Implied Volatility (Mean)	0.4769
Put-Call Implied Volatility Ratio	1.0128
Implied Volatility Skew	0.0115
Option Statistics
Put-Call Ratio (Volume)	0.2170
Put-Call Ratio (Open Interest)	0.2431