Put-Call Implied Volatility Ratio (20-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

ROBO Global Healthcare Technology and Innovation ETF (HTEC) had 20-Day Put-Call Implied Volatility Ratio of 1.0511 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1994
Historical Volatility (Parkinson)	0.1164
Implied Volatility (Calls)	0.3511
Implied Volatility (Puts)	0.3691
Implied Volatility (Mean)	0.3601
Put-Call Implied Volatility Ratio	1.0511
Implied Volatility Skew	0.0323
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.7857