Put-Call Ratio (Volume) (20-Day)

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

ROBO Global Healthcare Technology and Innovation ETF (HTEC) had 20-Day Put-Call Ratio (Volume) of 0.0000 for 2026-06-04.

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Figures for 2026-06-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2411
Historical Volatility (Parkinson)	0.1652
Implied Volatility (Calls)	0.2062
Implied Volatility (Puts)	0.3169
Implied Volatility (Mean)	0.2616
Put-Call Implied Volatility Ratio	1.5367
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0000