Vanguard S&P Mid-Cap 400 ETF (IVOO) Chart & Stock Price History $123.77 +1.26 (+1.03%) Closing price 04:10 PM EasternExtended Trading$123.88 +0.11 (+0.09%) As of 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Chart Stock AnalysisChartDividendHoldingsNews and TrendsOwnershipRatingsShort Interest Vanguard S&P Mid-Cap 400 ETF Stock Price Performance The Vanguard S&P Mid-Cap 400 ETF (IVOO) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has increased 12.14%, with a year-to-date return of 10.71%. In the past month, the fund has decreased 0.15%, reflecting recent market activity. As of the latest close, Vanguard S&P Mid-Cap 400 ETF traded at $123.77 with a market cap of $3.79 billion and volume of 93,989 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.19%1 Month Performance-0.15%3 Month Performance-2.40%Year-To-Date Performance+10.71%1 Year Performance+12.14% IVOO Stock Chart for Tuesday, October, 20, 2026 IVOO Chart by TradingView Vanguard S&P Mid-Cap 400 ETF Stock Price History Daily Weekly Monthly Yearly Interval 9/20/2026 - 10/20/2026 Price Date Price Date From Price Date To 1M3M6MYTD1Y3Y5Y More filters Fewer filters Done 0 Results Export DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/20/2026$122.51$123.77+1.03%$124.17$122.3793,989 shs$3.79 billion10/19/2026$122.43$122.51+0.07%$123.18$122.32128,042 shs$3.75 billion10/16/2026$123.53$122.43-0.89%$124.14$122.0994,086 shs$3.75 billion10/15/2026$122.36$123.53+0.96%$123.63$122.0676,127 shs$3.78 billion10/14/2026$123.95$122.36-1.28%$123.43$121.6861,422 shs$3.75 billion10/13/2026$123.82$123.95+0.10%$124.16$123.0092,868 shs$3.80 billion10/12/2026$124.29$123.82-0.38%$124.37$123.7986,320 shs$3.79 billion10/09/2026$123.57$124.29+0.58%$124.51$123.4442,227 shs$3.81 billion10/08/2026$123.20$123.57+0.30%$123.68$122.47141,522 shs$3.78 billion10/07/2026$125.26$123.20-1.64%$124.12$122.7161,894 shs$3.77 billion Get the Latest News and Ratings for IVOO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Vanguard S&P Mid-Cap 400 ETF and its competitors with MarketBeat's FREE daily newsletter. 10/06/2026$124.74$125.26+0.42%$125.83$125.08152,385 shs$3.77 billion10/05/2026$124.25$124.74+0.39%$125.39$123.31113,026 shs$3.76 billion10/02/2026$123.07$124.25+0.96%$124.86$124.0987,403 shs$3.74 billion10/01/2026$121.76$123.07+1.08%$123.20$121.11108,186 shs$3.71 billion09/30/2026$122.51$121.76-0.61%$122.91$121.76100,342 shs$3.67 billion09/29/2026$122.63$122.51-0.10%$122.72$121.8041,790 shs$3.69 billion09/28/2026$123.52$122.63-0.72%$123.02$122.0365,147 shs$3.69 billion09/25/2026$123.10$123.52+0.34%$123.73$122.7564,404 shs$3.72 billion09/24/2026$123.63$123.10-0.43%$123.56$122.50147,026 shs$3.71 billion09/23/2026$124.71$123.63-0.87%$124.52$123.5990,887 shs$3.72 billion09/22/2026$124.38$124.71+0.27%$125.20$124.38149,124 shs$3.76 billion09/21/2026$123.96$124.38+0.34%$124.81$123.97152,327 shs$3.62 billion Related Companies Alger Mid Cap 40 ETF Stock Chart Argent Mid Cap ETF Stock Chart BNY Mellon US Mid Cap Core Equity ETF Stock Chart Calvert US Mid-Cap Core Responsible Index ETF Stock Chart Concourse Capital Focused Equity ETF Stock Chart First Trust Active Factor Mid Cap ETF Stock Chart First Trust Mid Cap Core AlphaDEX Fund Stock Chart First Trust Mid Cap Growth AlphaDEX Fund Stock Chart First Trust Mid Cap Value AlphaDEX Fund Stock Chart Janus Henderson Mid Cap Growth Alpha ETF Stock Chart Receive IVOO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Vanguard S&P Mid-Cap 400 ETF and its competitors with MarketBeat's FREE daily newsletter. 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