Vanguard S&P Small-Cap 600 ETF (VIOO) closed at $128.23 on October 21, 2026, up 0.1% from the previous close, on volume of 92,458 shares (30-day average 81,778).
Data as of October 21, 2026.
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Invests in stocks in the S&P Small-Cap 600 Index representing 600 smaller U.S. companies. Focuses on closely tracking the index s return which is considered a gauge of overall U.S. small-cap stock returns. Offers high potential for investment growth; share value rises and falls more sharply than that of funds holding bonds. More appropriate for long-term goals where your money s growth is essential.
Vanguard S&P Small-Cap 600 ETF trades on the ARCA stock market under the symbol VIOO.
As of October 21, 2026, VIOO stock price climbed to $128.23 with 92,458 million shares trading.
VIOO has a beta of 0.67, meaning it tends to be less sensitive to market movements. VIOO has a correlation of 0.29 to the broad based SPY ETF.
VIOO has a market cap of $4.06 billion. This is considered a Mid Cap stock.
In the last 3 years, VIOO traded as high as $139.70 and as low as $80.90.
VIOO has outperformed the market in the last year with a price return of +16.8% while the SPY ETF gained +16.3%. However, in the short term, VIOO had mixed performance relative to the market. It has underperformed in the last 3 months, returning -4.7% vs +4.4% return in SPY. But in the last 2 weeks, VIOO shares have fared better than the market returning -0.7% compared to SPY -0.8%.
VIOO support price is $127.01 and resistance is $129.27 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that VIOO shares will trade within this expected range on the day.
