Put-Call Implied Volatility Ratio (150-Day)

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

Vanguard Communication Services Index Fund ETF Shares (VOX) had 150-Day Put-Call Implied Volatility Ratio of 0.8778 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1681
Historical Volatility (Parkinson)	0.1268
Implied Volatility (Calls)	0.2131
Implied Volatility (Puts)	0.1871
Implied Volatility (Mean)	0.2001
Put-Call Implied Volatility Ratio	0.8778
Implied Volatility Skew	0.0851
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0559