About Kezar Life Sciences, Inc. (KZR) data
Data as of April 30, 2026.
Kezar Life Sciences, Inc. (KZR) has 158.52K shares sold short as of the latest FINRA settlement report on April 30, 2026. Short interest has increased by 4.56% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 2.28 days (days to cover).
Recent KZR short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Apr 30, 2026 | 158,519 | 4.56% | 2.28 |
| Apr 15, 2026 | 151,602 | -24.70% | 1.36 |
| Mar 31, 2026 | 201,330 | 4.69% | 1.87 |
| Mar 13, 2026 | 192,306 | 9.23% | 5.21 |
| Feb 27, 2026 | 176,056 | -4.35% | 4.30 |
| Feb 13, 2026 | 184,069 | -7.87% | 3.80 |
| Jan 30, 2026 | 199,787 | 14.72% | 5.73 |
| Jan 15, 2026 | 174,148 | -1.22% | 4.63 |
| Dec 31, 2025 | 176,297 | -29.72% | 5.97 |
| Dec 15, 2025 | 250,843 | 1.89% | 8.99 |
| Nov 28, 2025 | 246,201 | 13.36% | 5.84 |
| Nov 14, 2025 | 217,192 | -31.04% | 5.16 |
Full history, charts, and borrow-fee detail are on the KZR short interest page.
Frequently asked questions
What is the current short interest in KZR?
As of the latest FINRA settlement dated April 30, 2026, KZR had approximately 158,519 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short KZR?
The latest borrow fee (cost to borrow) for KZR is 0.41% 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 KZR?
Days to cover for KZR is approximately 2.28 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 KZR a short squeeze candidate?
A squeeze needs shorts that are hard to close. KZR trades about 69,412 shares a day and would take roughly 2.28 days to unwind current short positions, at a current borrow fee of 0.41%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.