Put-Call Ratio (Volume) (120-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 120-Day Put-Call Ratio (Volume) of 0.3595 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4497
Historical Volatility (Parkinson)	0.3040
Implied Volatility (Calls)	0.4636
Implied Volatility (Puts)	0.4378
Implied Volatility (Mean)	0.4507
Put-Call Implied Volatility Ratio	0.9444
Implied Volatility Skew	-0.0032
Option Statistics
Put-Call Ratio (Volume)	0.3595
Put-Call Ratio (Open Interest)	0.1427