Vanguard S&P Mid-Cap 400 ETF (IVOO) closed at $123.77 on October 20, 2026, up 1.0% from the previous close, on volume of 93,204 shares (30-day average 91,446).
Data as of October 20, 2026.
20-Oct-2026
No headlines found.
No press releases found.
No news found.
Invests in stocks in the S&P MidCap 400 Index representing 400 medium-size U.S. companies. Focuses on closely tracking the index s return which is considered a gauge of overall U.S. mid-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 Mid-Cap 400 ETF trades on the ARCA stock market under the symbol IVOO.
As of October 20, 2026, IVOO stock price climbed to $123.77 with 93,204 million shares trading.
IVOO has a beta of 0.70, meaning it tends to be less sensitive to market movements. IVOO has a correlation of 0.41 to the broad based SPY ETF.
IVOO has a market cap of $3.81 billion. This is considered a Mid Cap stock.
In the last 3 years, IVOO traded as high as $133.14 and as low as $78.54.
IVOO has underperformed the market in the last year with a price return of +14.8% while the SPY ETF gained +16.9%. IVOO has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -2.9% and -0.8%, respectively, while the SPY returned +3.7% and -0.7%, respectively.
IVOO support price is $121.54 and resistance is $123.48 (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 IVOO shares will trade within this expected range on the day.
