Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 0.0426 for 2025-08-01.

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Figures for 2025-08-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4305
Historical Volatility (Parkinson)	0.2668
Implied Volatility (Calls)	0.4369
Implied Volatility (Puts)	0.4769
Implied Volatility (Mean)	0.4569
Put-Call Implied Volatility Ratio	1.0916
Implied Volatility Skew	0.0053
Option Statistics
Put-Call Ratio (Volume)	0.0426
Put-Call Ratio (Open Interest)	0.5616