Pfeiffer Vacuum Technology (PFFVF) Short Interest Ratio & Short Volume

Short interest is the volume of Pfeiffer Vacuum Technology shares that have been sold short but have not yet been closed out or covered. As of June 30th, investors have sold 5,900 shares of PFFVF short. Learn More on Pfeiffer Vacuum Technology's current short interest.

Pfeiffer Vacuum Technology saw a increase in short interest during the month of June. As of June 30th, there was short interest totaling 5,900 shares, an increase of 59.5% from the previous total of 3,700 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.

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.

Short selling PFFVF is an investing strategy that aims to generate trading profit from Pfeiffer Vacuum Technology as its price is falling. PFFVF shares are trading up $8.50 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 Pfeiffer Vacuum Technology 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 PFFVF, 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 PFFVF, twice per month. The most recent reporting period available is June, 30 2025.