Put-Call Implied Volatility Ratio (30-Day)

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

Vanguard Short-Term Inflation-Protected Securities Index Fund ETF Shares (VTIP) had 30-Day Put-Call Implied Volatility Ratio of 0.9339 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0151
Historical Volatility (Parkinson)	0.0109
Implied Volatility (Calls)	0.0450
Implied Volatility (Puts)	0.0421
Implied Volatility (Mean)	0.0436
Put-Call Implied Volatility Ratio	0.9339
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	3.2811