Put-Call Ratio (Volume) (20-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 20-Day Put-Call Ratio (Volume) of 0.0996 for 2025-05-29.

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Figures for 2025-05-29

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2904
Historical Volatility (Parkinson)	0.2392
Implied Volatility (Calls)	0.3671
Implied Volatility (Puts)	0.4125
Implied Volatility (Mean)	0.3898
Put-Call Implied Volatility Ratio	1.1237
Implied Volatility Skew	0.0209
Option Statistics
Put-Call Ratio (Volume)	0.0996
Put-Call Ratio (Open Interest)	0.3274