Vanguard Mid-Cap ETF (VO) Short Interest Ratio & Short Volume $284.74 +1.32 (+0.47%) Closing price 07/18/2025 04:10 PM EasternExtended Trading$284.62 -0.13 (-0.04%) As of 07/18/2025 07:50 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 Mid-Cap ETF Short Interest DataVanguard Mid-Cap ETF (VO) has a short interest of 2.82 million shares, representing 1.92% of the float (the number of shares available for trading by the public). This marks a 610.51% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.9, indicating that it would take 2.9 days of the average trading volume of 693,080 shares to cover all short positions.Current Short Interest2,820,000 sharesPrevious Short Interest396,900 sharesChange Vs. Previous Month+610.51%Dollar Volume Sold Short$789.12 millionShort Interest Ratio2.9 Days to CoverLast Record DateJune 30, 2025Outstanding Shares303,203,000 sharesFloat Size146,770,000 sharesShort Percent of Float1.92%Today's Trading Volume716,673 sharesAverage Trading Volume693,080 sharesToday's Volume Vs. Average103% Short Selling Vanguard Mid-Cap ETF? Sign up to receive the latest short interest report for Vanguard Mid-Cap 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 ChartVO Short Interest Over TimeVO Days to Cover Over TimeVO Percentage of Float Shorted Over Time Vanguard Mid-Cap 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 6/30/20252,820,000 shares $789.12 million +610.5%1.9%2.9 $279.83 6/15/2025396,900 shares $107.57 million -17.8%0.1%0.5 $271.02 5/31/2025482,800 shares $130.08 million -13.0%0.0%0.5 $269.43 5/15/2025555,100 shares $150.54 million -25.4%N/A0.6 $271.19 4/30/2025743,700 shares $190.45 million +72.7%N/A0.8 $256.09 4/15/2025430,600 shares $106.04 million +11.3%N/A0.4 $246.27 3/14/2025541,500 shares $139.33 million +23.0%N/A0.7 $257.31 2/14/2025606,100 shares $167.10 million +22.0%N/A0.9 $275.69 1/31/2025496,800 shares $136.92 million -10.1%N/A0.8 $275.61 VO Short Interest - Frequently Asked Questions What is Vanguard Mid-Cap ETF's current short interest? Short interest is the volume of Vanguard Mid-Cap ETF shares that have been sold short but have not yet been covered or closed out. As of June 30th, investors have sold 2,820,000 shares of VO short. 1.92% of Vanguard Mid-Cap ETF's shares are currently sold short. Learn More on Vanguard Mid-Cap ETF's current short interest. What is a good short interest ratio for Vanguard Mid-Cap ETF? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. VO shares currently have a short interest ratio of 3.0. Learn More on Vanguard Mid-Cap ETF's short interest ratio. Which institutional investors are shorting Vanguard Mid-Cap ETF? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Vanguard Mid-Cap ETF: Quaker Wealth Management LLC, and Jane Street Group LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Vanguard Mid-Cap ETF? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.92% of Vanguard Mid-Cap ETF's floating shares are currently sold short. Is Vanguard Mid-Cap ETF's short interest increasing or decreasing? Vanguard Mid-Cap ETF saw a increase in short interest during the month of June. As of June 30th, there was short interest totaling 2,820,000 shares, an increase of 610.5% from the previous total of 396,900 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. What is Vanguard Mid-Cap ETF's float size? Vanguard Mid-Cap ETF currently has issued a total of 303,203,000 shares. Some of Vanguard Mid-Cap ETF's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Vanguard Mid-Cap ETF currently has a public float of 146,770,000 shares. How does Vanguard Mid-Cap ETF's short interest compare to its competitors? 1.92% of Vanguard Mid-Cap ETF's shares are currently sold short. Here is how the short interest of companies compare to Vanguard Mid-Cap ETF: iShares Core S&P Mid-Cap ETF (0.49%), iShares Russell Mid-Cap ETF (0.19%), SPDR S&P MidCap 400 ETF Trust (9.85%), iShares Russell Mid-Cap Growth ETF (0.92%), Vanguard Mid-Cap Value ETF (0.67%), Vanguard Mid-Cap Growth ETF (23.48%), SPDR Portfolio S&P 400 Mid Cap ETF (0.22%), iShares Russell Mid-Cap Value ETF (0.53%), Schwab U.S. Mid-Cap ETF (0.10%), iShares S&P Mid-Cap 400 Growth ETF (0.09%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Vanguard Mid-Cap ETF stock? Short selling VO is an investing strategy that aims to generate trading profit from Vanguard Mid-Cap ETF as its price is falling. VO shares are trading up $1.32 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 Mid-Cap ETF? A short squeeze for Vanguard Mid-Cap ETF occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of VO, which in turn drives the price of the stock up even further. How often is Vanguard Mid-Cap 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 VO, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies iShares Core S&P Mid-Cap ETF Short Squeeze iShares Russell Mid-Cap ETF Short Squeeze SPDR S&P MidCap 400 ETF Trust Short Squeeze iShares Russell Mid-Cap Growth ETF Short Squeeze Vanguard Mid-Cap Value ETF Short Squeeze Vanguard Mid-Cap Growth ETF Short Squeeze SPDR Portfolio S&P 400 Mid Cap ETF Short Squeeze iShares Russell Mid-Cap Value ETF Short Squeeze Schwab U.S. Mid-Cap ETF Short Squeeze iShares S&P Mid-Cap 400 Growth ETF Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEARCA:VO) was last updated on 7/19/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredGoogle did what!?!?A new technology has sparked a modern-day gold rush in Silicon Valley. 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