Environmental Tectonics (ETCC) Short Interest Ratio & Short Volume

Short interest is the volume of Environmental Tectonics shares that have been sold short but have not yet been covered or closed out. As of May 31st, investors have sold 1,600 shares of ETCC short. 0.07% of Environmental Tectonics' shares are currently sold short. Learn More on Environmental Tectonics' 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. 0.07% of Environmental Tectonics' floating shares are currently sold short.

Environmental Tectonics saw a increase in short interest during the month of May. As of May 31st, there was short interest totaling 1,600 shares, an increase of ∞ from the previous total of 0 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.

0.07% of Environmental Tectonics' shares are currently sold short. Here is how the short interest of companies in the industry of "electrical equipment" compare to Environmental Tectonics: 374Water Inc. (6.94%), Captivision Inc. (3.03%), Welsbach Technology Metals Acquisition Corp. (0.07%), Laser Photonics Co. (10.12%), Pioneer Power Solutions, Inc. (0.44%), Flux Power Holdings, Inc. (2.88%), Sunrise New Energy Co., Ltd. (0.10%), SCI Engineered Materials, Inc. (0.01%), Orion Energy Systems, Inc. (0.18%), Electra Battery Materials Co. (0.71%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks.

Short selling ETCC is an investing strategy that aims to generate trading profit from Environmental Tectonics as its price is falling. ETCC shares are trading down $0.01 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 Environmental Tectonics 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 ETCC, 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 ETCC, twice per month. The most recent reporting period available is May, 31 2025.