Vanguard Mid-Cap Index Fund ETF Shares (VO)

Last Closing Price: 79.55 (2026-06-03)

Put-Call Ratio (Open Interest) (120-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Vanguard Mid-Cap Index Fund ETF Shares (VO) had 120-Day Put-Call Ratio (Open Interest) of 0.2350 for 2026-06-03.