About Trinseo PLC (TSE) data
Data as of February 27, 2026.
Trinseo PLC (TSE) has 4.87M shares sold short as of the latest FINRA settlement report on February 27, 2026. Short interest has decreased by 14.68% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 4.75 days (days to cover).
Recent TSE short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Feb 27, 2026 | 4,867,750 | -14.68% | 4.75 |
| Feb 13, 2026 | 5,705,522 | 5.91% | 11.66 |
| Jan 30, 2026 | 5,387,264 | 29.69% | 6.75 |
| Jan 15, 2026 | 4,154,017 | 8.70% | 2.85 |
| Dec 31, 2025 | 3,821,434 | 29.11% | 2.10 |
| Dec 15, 2025 | 2,959,739 | 8.87% | 3.78 |
| Nov 28, 2025 | 2,718,488 | 20.74% | 4.77 |
| Nov 14, 2025 | 2,251,557 | -14.69% | 5.63 |
| Oct 31, 2025 | 2,639,157 | 3.87% | 4.97 |
| Oct 15, 2025 | 2,540,730 | 3.79% | 8.65 |
| Sep 30, 2025 | 2,447,905 | -12.66% | 8.34 |
| Sep 15, 2025 | 2,802,717 | 24.39% | 14.27 |
Full history, charts, and borrow-fee detail are on the TSE short interest page.
Frequently asked questions
What is the current short interest in TSE?
As of the latest FINRA settlement dated February 27, 2026, TSE had approximately 4,867,750 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short TSE?
The latest borrow fee (cost to borrow) for TSE is 7.35% 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 TSE?
Days to cover for TSE is approximately 4.75 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 TSE a short squeeze candidate?
A squeeze needs shorts that are hard to close. TSE trades about 1,024,106 shares a day and would take roughly 4.75 days to unwind current short positions, at a current borrow fee of 7.35%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.