Put-Call Ratio (Open Interest) (90-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.

ARK Blockchain & Fintech Innovation ETF (ARKF) had 90-Day Put-Call Ratio (Open Interest) of 0.6524 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3313
Historical Volatility (Parkinson)	0.2526
Implied Volatility (Calls)	0.3193
Implied Volatility (Puts)	0.3396
Implied Volatility (Mean)	0.3295
Put-Call Implied Volatility Ratio	1.0634
Implied Volatility Skew	0.0302
Option Statistics
Put-Call Ratio (Volume)	0.6726
Put-Call Ratio (Open Interest)	0.6524