About Esperion Therapeutics, Inc. (ESPR) data
Data as of June 30, 2026.
Esperion Therapeutics, Inc. (ESPR) has 17.40M shares sold short as of the latest FINRA settlement report on June 30, 2026. Short interest has decreased by 16.01% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 1.74 days (days to cover).
Recent ESPR short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Jun 30, 2026 | 17,401,689 | -16.01% | 1.74 |
| Jun 15, 2026 | 20,719,122 | 10.71% | 1.76 |
| May 29, 2026 | 18,714,926 | -7.39% | 2.68 |
| May 15, 2026 | 20,207,976 | -44.52% | 1.00 |
| Apr 30, 2026 | 36,425,941 | 14.44% | 5.18 |
| Apr 15, 2026 | 31,830,830 | -3.92% | 3.73 |
| Mar 31, 2026 | 33,129,776 | -1.78% | 6.98 |
| Mar 13, 2026 | 33,731,852 | 0.61% | 5.05 |
| Feb 27, 2026 | 33,525,831 | -0.12% | 13.60 |
| Feb 13, 2026 | 33,567,190 | 0.34% | 9.38 |
| Jan 30, 2026 | 33,452,416 | -10.65% | 6.52 |
| Jan 15, 2026 | 37,439,023 | 10.33% | 5.88 |
Full history, charts, and borrow-fee detail are on the ESPR short interest page.
Frequently asked questions
What is the current short interest in ESPR?
As of the latest FINRA settlement dated June 30, 2026, ESPR had approximately 17,401,689 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short ESPR?
The latest borrow fee (cost to borrow) for ESPR is 0.29% 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 ESPR?
Days to cover for ESPR is approximately 1.74 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 ESPR a short squeeze candidate?
A squeeze needs shorts that are hard to close. ESPR trades about 10,005,991 shares a day and would take roughly 1.74 days to unwind current short positions, at a current borrow fee of 0.29%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.