Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Grayscale Bitcoin Mini Trust (BTC) had 30-Day Put-Call Ratio (Open Interest) of 0.4612 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3266
Historical Volatility (Parkinson)	0.2170
Implied Volatility (Calls)	0.4384
Implied Volatility (Puts)	0.4202
Implied Volatility (Mean)	0.4293
Put-Call Implied Volatility Ratio	0.9585
Implied Volatility Skew	0.0662
Option Statistics
Put-Call Ratio (Volume)	1.3558
Put-Call Ratio (Open Interest)	0.4612