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.

ARK 21Shares Bitcoin ETF (ARKB) had 30-Day Put-Call Ratio (Volume) of 0.0548 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3253
Historical Volatility (Parkinson)	0.2168
Implied Volatility (Calls)	0.4250
Implied Volatility (Puts)	0.4311
Implied Volatility (Mean)	0.4280
Put-Call Implied Volatility Ratio	1.0145
Implied Volatility Skew	0.0424
Option Statistics
Put-Call Ratio (Volume)	0.0548
Put-Call Ratio (Open Interest)	0.4361