About HOOKIPA Pharma Inc. (HOOK) data
Data as of May 29, 2026.
HOOKIPA Pharma Inc. (HOOK) has 10.61K shares sold short as of the latest FINRA settlement report on May 29, 2026. Short interest has decreased by 0.01% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.44 days (days to cover).
Recent HOOK short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| May 29, 2026 | 10,611 | -0.01% | 1.00 |
| May 15, 2026 | 10,612 | -0.01% | 1.00 |
| Apr 30, 2026 | 10,613 | -3.77% | 1.00 |
| Apr 15, 2026 | 11,029 | -0.32% | 1.00 |
| Mar 31, 2026 | 11,064 | -7.31% | 1.00 |
| Mar 13, 2026 | 11,937 | -46.10% | 1.00 |
| Feb 27, 2026 | 22,145 | -25.76% | 2.68 |
| Feb 13, 2026 | 29,828 | -0.16% | 1.41 |
| Jan 30, 2026 | 29,875 | 168.76% | 1.34 |
| Jan 15, 2026 | 11,116 | 3.40% | 1.02 |
| Dec 31, 2025 | 10,750 | -7.65% | 1.00 |
| Dec 15, 2025 | 11,641 | 264.92% | 1.00 |
Full history, charts, and borrow-fee detail are on the HOOK short interest page.
Frequently asked questions
What is the current short interest in HOOK?
As of the latest FINRA settlement dated May 29, 2026, HOOK had approximately 10,611 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short HOOK?
The latest borrow fee (cost to borrow) for HOOK is 1.47% 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 HOOK?
Days to cover for HOOK is approximately 0.44 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 HOOK a short squeeze candidate?
A squeeze needs shorts that are hard to close. HOOK trades about 23,928 shares a day and would take roughly 0.44 days to unwind current short positions, at a current borrow fee of 1.47%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.