Put-Call Ratio (Volume) (180-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

ARK Innovation ETF (ARKK) had 180-Day Put-Call Ratio (Volume) of 5.0781 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3687
Historical Volatility (Parkinson)	0.2834
Implied Volatility (Calls)	0.3710
Implied Volatility (Puts)	0.3916
Implied Volatility (Mean)	0.3813
Put-Call Implied Volatility Ratio	1.0556
Implied Volatility Skew	0.0140
Option Statistics
Put-Call Ratio (Volume)	5.0781
Put-Call Ratio (Open Interest)	2.9610