About OpGen, Inc. (OPGN) data
Data as of February 27, 2026.
OpGen, Inc. (OPGN) has 2.91K shares sold short as of the latest FINRA settlement report on February 27, 2026. Short interest has increased by 0.00% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.30 days (days to cover).
Recent OPGN short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Feb 27, 2026 | 2,909 | 0.00% | 1.00 |
| Feb 13, 2026 | 2,909 | 32.47% | 1.00 |
| Jan 30, 2026 | 2,196 | -34.39% | 1.00 |
| Jan 15, 2026 | 3,347 | 47.12% | 1.00 |
| Dec 31, 2025 | 2,275 | 13.35% | 1.00 |
| Dec 15, 2025 | 2,007 | 95.80% | 1.00 |
| Nov 28, 2025 | 1,025 | 4,170.83% | 1.00 |
| Nov 14, 2025 | 24 | 0.00% | 1.00 |
| Oct 31, 2025 | 24 | 0.00% | 1.00 |
| Oct 15, 2025 | 24 | 0.00% | 1.00 |
| Sep 30, 2025 | 24 | 0.00% | 1.00 |
| Sep 15, 2025 | 24 | -82.86% | 1.00 |
Full history, charts, and borrow-fee detail are on the OPGN short interest page.
Frequently asked questions
What is the current short interest in OPGN?
As of the latest FINRA settlement dated February 27, 2026, OPGN had approximately 2,909 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short OPGN?
The latest borrow fee (cost to borrow) for OPGN is 20.65% 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 OPGN?
Days to cover for OPGN is approximately 0.30 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 OPGN a short squeeze candidate?
A squeeze needs shorts that are hard to close. OPGN trades about 9,797 shares a day and would take roughly 0.30 days to unwind current short positions, at a current borrow fee of 20.65%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.