Vanguard S&P Mid-Cap 400 ETF (IVOO) Short Interest Ratio & Short Volume $103.45 +1.06 (+1.04%) Closing price 04:10 PM EasternExtended Trading$103.45 0.00 (0.00%) As of 04:10 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 Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartDividendHeadlinesHoldingsOwnershipRatingsShort InterestBuy This Stock Vanguard S&P Mid-Cap 400 ETF Short Interest DataVanguard S&P Mid-Cap 400 ETF (IVOO) has a short interest of 29,900 shares. This marks a -86.53% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.2, indicating that it would take 0.2 days of the average trading volume of 98,819 shares to cover all short positions.Current Short Interest29,900 sharesPrevious Short Interest221,900 sharesChange Vs. Previous Month-86.53%Dollar Volume Sold Short$3.10 millionShort Interest Ratio0.2 Days to CoverLast Record DateMay 15, 2025Outstanding Shares25,740,000 sharesPercentage of Shares Shorted0.12%Today's Trading Volume85,505 sharesAverage Trading Volume98,819 sharesToday's Volume Vs. Average87% Short Selling Vanguard S&P Mid-Cap 400 ETF? Sign up to receive the latest short interest report for Vanguard S&P Mid-Cap 400 ETF and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIVOO Short Interest Over TimeIVOO Days to Cover Over TimeIVOO Percentage of Float Shorted Over Time Vanguard S&P Mid-Cap 400 ETF Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/15/202529,900 shares $3.10 million -86.5%N/A0.2 $103.56 4/30/2025221,900 shares $21.37 million -16.1%N/A1.2 $96.32 4/15/2025264,600 shares $24.63 million +230.8%N/A1.5 $93.07 3/14/202575,700 shares $7.51 million +5.9%N/A0.6 $99.21 2/14/202564,000 shares $6.93 million -4.9%N/A0.7 $108.30 1/31/202567,300 shares $7.37 million +4.3%N/A0.8 $109.52 1/15/202564,500 shares $6.99 million -70.0%N/A0.8 $108.32 IVOO Short Interest - Frequently Asked Questions What is Vanguard S&P Mid-Cap 400 ETF's current short interest? Short interest is the volume of Vanguard S&P Mid-Cap 400 ETF shares that have been sold short but have not yet been covered or closed out. As of May 15th, investors have sold 29,900 shares of IVOO short. Learn More on Vanguard S&P Mid-Cap 400 ETF's current short interest. Which institutional investors are shorting Vanguard S&P Mid-Cap 400 ETF? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Vanguard S&P Mid-Cap 400 ETF: Belvedere Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Vanguard S&P Mid-Cap 400 ETF's short interest increasing or decreasing? Vanguard S&P Mid-Cap 400 ETF saw a drop in short interest in May. As of May 15th, there was short interest totaling 29,900 shares, a drop of 86.5% from the previous total of 221,900 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does Vanguard S&P Mid-Cap 400 ETF's short interest compare to its competitors? Here is how the short interest of companies compare to Vanguard S&P Mid-Cap 400 ETF: iShares Morningstar Mid-Cap Growth ETF (0.07%), Fidelity Enhanced Mid Cap ETF (0.42%), SPDR S&P 400 Mid Cap Value ETF (0.08%), SPDR S&P 400 Mid Cap Growth ETF (0.18%), JPMorgan BetaBuilders U.S. Mid Cap Equity ETF (0.00%), WisdomTree U.S. MidCap Dividend Fund (0.08%), Invesco S&P MidCap Momentum ETF (0.74%), John Hancock Multifactor Mid Cap ETF (0.15%), First Trust Mid Cap Core AlphaDEX Fund (0.32%), Vanguard S&P Mid-Cap 400 Growth ETF (0.24%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks. What does it mean to sell short Vanguard S&P Mid-Cap 400 ETF stock? Short selling IVOO is an investing strategy that aims to generate trading profit from Vanguard S&P Mid-Cap 400 ETF as its price is falling. IVOO shares are trading up $1.06 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Vanguard S&P Mid-Cap 400 ETF? A short squeeze for Vanguard S&P Mid-Cap 400 ETF occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of IVOO, which in turn drives the price of the stock up even further. How often is Vanguard S&P Mid-Cap 400 ETF's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including IVOO, twice per month. The most recent reporting period available is May, 15 2025. More Short Interest Resources from MarketBeat Related Companies iShares Morningstar Mid-Cap Growth ETF Short Interest Data Fidelity Enhanced Mid Cap ETF Short Interest Data SPDR S&P 400 Mid Cap Value ETF Short Interest Data SPDR S&P 400 Mid Cap Growth ETF Short Interest Data JPMorgan BetaBuilders U.S. Mid Cap Equity ETF Short Interest Data WisdomTree U.S. MidCap Dividend Fund Short Interest Data Invesco S&P MidCap Momentum ETF Short Interest Data John Hancock Multifactor Mid Cap ETF Short Interest Data First Trust Mid Cap Core AlphaDEX Fund Short Interest Data Vanguard S&P Mid-Cap 400 Growth ETF Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEARCA:IVOO) was last updated on 6/6/2025 by MarketBeat.com Staff From Our PartnersEveryone’s watching Nvidia right now. 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