ProShares Ultra MidCap 400 (MVV) Short Interest Ratio & Short Volume

Short interest is the volume of ProShares Ultra MidCap 400 shares that have been sold short but have not yet been closed out or covered. As of August 15th, investors have sold 12,600 shares of MVV short. Learn More on ProShares Ultra MidCap 400's current short interest.

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. MVV shares currently have a short interest ratio of 1.0. Learn More on ProShares Ultra MidCap 400's short interest ratio.

ProShares Ultra MidCap 400 saw a increase in short interest in the month of August. As of August 15th, there was short interest totaling 12,600 shares, an increase of 55.6% from the previous total of 8,100 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.

Here is how the short interest of companies compare to ProShares Ultra MidCap 400: WisdomTree International MidCap Dividend Fund (0.01%), Argent Mid Cap ETF (0.35%), First Trust Mid Cap Value AlphaDEX Fund (0.38%), Avantis U.S. Mid Cap Equity ETF (0.68%), American Century Mid Cap Growth Impact ETF (0.08%), NYLI Candriam U.S. Mid Cap Equity ETF (0.19%), Alger Mid Cap 40 ETF (0.85%), First Trust Active Factor Mid Cap ETF (0.51%), Calvert US Mid-Cap Core Responsible Index ETF (0.14%), Direxion Daily Mid Cap Bull 3X Shares (0.64%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Lucid Group, Inc. ($8.00 billion), Spotify Technology ($5.48 billion), AppLovin Corporation ($5.11 billion), Reddit Inc. ($5.02 billion), Coinbase Global, Inc. ($3.99 billion), Charter Communications, Inc. ($3.89 billion), Live Nation Entertainment, Inc. ($3.18 billion), Seagate Technology Holdings PLC ($2.59 billion), ResMed Inc. ($2.55 billion), and Rocket Lab Corporation ($2.52 billion). View all of the most shorted stocks.

Short selling MVV is an investing strategy that aims to generate trading profit from ProShares Ultra MidCap 400 as its price is falling. MVV shares are trading down $0.63 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.

A short squeeze for ProShares Ultra MidCap 400 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 MVV, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including MVV, twice per month. The most recent reporting period available is August, 15 2025.