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.

ROBO Global Robotics and Automation Index ETF (ROBO) had 30-Day Put-Call Ratio (Volume) of 2.5000 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3672
Historical Volatility (Parkinson)	0.1911
Implied Volatility (Calls)	0.3166
Implied Volatility (Puts)	0.3598
Implied Volatility (Mean)	0.3382
Put-Call Implied Volatility Ratio	1.1365
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	2.5000
Put-Call Ratio (Open Interest)	0.1429