About Environmental Tectonics Corp. (ETCC) data
Data as of August 14, 2026.
Environmental Tectonics Corp. (ETCC) has 1.20K shares sold short as of the latest FINRA settlement report on August 14, 2026. Short interest has decreased by 70.11% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.06 days (days to cover).
Recent ETCC short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Aug 14, 2026 | 1,200 | -70.11% | 1.00 |
| Jul 31, 2026 | 4,015 | 1,601.27% | 1.00 |
| Jul 15, 2026 | 236 | -50.52% | 1.00 |
| Jun 30, 2026 | 477 | 102.12% | 1.00 |
| Jun 15, 2026 | 236 | -96.94% | 1.00 |
| May 29, 2026 | 7,711 | 3,167.37% | 1.00 |
| May 15, 2026 | 236 | -98.74% | 1.00 |
| Apr 30, 2026 | 18,693 | 100.00% | 1.00 |
| Feb 27, 2026 | 2,584 | -10.22% | 1.00 |
| Feb 13, 2026 | 2,878 | -63.82% | 1.00 |
| Jan 30, 2026 | 7,955 | 6,878.07% | 1.00 |
| Jan 15, 2026 | 114 | 0.00% | 1.00 |
Full history, charts, and borrow-fee detail are on the ETCC short interest page.
Frequently asked questions
What is the current short interest in ETCC?
As of the latest FINRA settlement dated August 14, 2026, ETCC had approximately 1,200 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short ETCC?
The latest borrow fee (cost to borrow) for ETCC is 1.31% per year, based on IBKR data. Fees can change throughout the trading day as shares are borrowed and returned.
What is the days to cover ratio for ETCC?
Days to cover for ETCC is approximately 0.06 days. This estimates how many trading days it would take short sellers to buy back all outstanding short shares at the current average daily volume.
Is ETCC a short squeeze candidate?
A squeeze needs shorts that are hard to close. ETCC trades about 21,598 shares a day and would take roughly 0.06 days to unwind current short positions, at a current borrow fee of 1.31%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.