Vanguard S&P Small-Cap 600 Index Fund ETF Shares (VIOO)

Last Closing Price: 124.90 (2026-04-21)

Put-Call Ratio (Volume) (60-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Vanguard S&P Small-Cap 600 Index Fund ETF Shares (VIOO) 60-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.