Put-Call Ratio (Open Interest) (150-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 Autonomous Technology & Robotics ETF (ARKQ) had 150-Day Put-Call Ratio (Open Interest) of 0.4383 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3424
Historical Volatility (Parkinson)	0.2602
Implied Volatility (Calls)	0.3316
Implied Volatility (Puts)	0.3195
Implied Volatility (Mean)	0.3255
Put-Call Implied Volatility Ratio	0.9635
Implied Volatility Skew	0.0246
Option Statistics
Put-Call Ratio (Volume)	0.5000
Put-Call Ratio (Open Interest)	0.4383