Harbor Osmosis International Resource Efficient ETF (EFFI) Short Interest Ratio & Short Volume

Short interest is the volume of Harbor Osmosis International Resource Efficient ETF shares that have been sold short but have not yet been closed out or covered. As of August 31st, investors have sold 300 shares of EFFI short. 0.01% of Harbor Osmosis International Resource Efficient ETF's shares are currently sold short. Learn More on Harbor Osmosis International Resource Efficient ETF's current short interest.

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. 0.01% of Harbor Osmosis International Resource Efficient ETF's floating shares are currently sold short.

Harbor Osmosis International Resource Efficient ETF saw a increase in short interest in August. As of August 31st, there was short interest totaling 300 shares, an increase of 50.0% from the previous total of 200 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.

0.01% of Harbor Osmosis International Resource Efficient ETF's shares are currently sold short. Here is how the short interest of companies compare to Harbor Osmosis International Resource Efficient ETF: Harbor Osmosis Emerging Markets Resource Efficient ETF (0.00%), Innovator International Developed Power Buffer ETF - October (0.05%), Stance Sustainable Beta ETF (0.06%), Innovator International Developed Power Buffer ETF - September (0.57%), International Developed Equity Active ETF (0.31%), Astoria US Quality Growth Kings ETF (0.30%), SGI Enhanced Global Income ETF (0.23%), Astoria US Quality Kings ETF (0.00%), Innovator MSCI EAFE Power Buffer ETF - January (0.04%), Touchstone Sands Capital Select Growth ETF (0.34%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks.

Short selling EFFI is an investing strategy that aims to generate trading profit from Harbor Osmosis International Resource Efficient ETF as its price is falling. EFFI shares are trading down $0.15 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 Harbor Osmosis International Resource Efficient 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 EFFI, 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 EFFI, twice per month. The most recent reporting period available is August, 31 2025.