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 Innovation ETF (ARKK) had 30-Day Put-Call Ratio (Volume) of 1.1429 for 2025-08-28.

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Figures for 2025-08-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3394
Historical Volatility (Parkinson)	0.2432
Implied Volatility (Calls)	0.3225
Implied Volatility (Puts)	0.3704
Implied Volatility (Mean)	0.3465
Put-Call Implied Volatility Ratio	1.1486
Implied Volatility Skew	0.0250
Option Statistics
Put-Call Ratio (Volume)	1.1429
Put-Call Ratio (Open Interest)	21.3336