Vanguard Small-Cap Growth Index Fund ETF Shares (VBK)

Last Closing Price: 342.12 (2026-06-05)

Put-Call Implied Volatility Ratio (180-Day)

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

Vanguard Small-Cap Growth Index Fund ETF Shares (VBK) had 180-Day Put-Call Implied Volatility Ratio of 1.0854 for 2026-06-05.