About Catalyst Pharmaceuticals, Inc. (CPRX) data
Data as of July 15, 2026.
Catalyst Pharmaceuticals, Inc. (CPRX) has 340.26K shares sold short as of the latest FINRA settlement report on July 15, 2026. Short interest has decreased by 95.66% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.11 days (days to cover).
Recent CPRX short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Jul 15, 2026 | 340,264 | -95.66% | 1.00 |
| Jun 30, 2026 | 7,845,889 | -1.32% | 3.29 |
| Jun 15, 2026 | 7,950,863 | -2.91% | 5.48 |
| May 29, 2026 | 8,189,325 | 18.49% | 3.14 |
| May 15, 2026 | 6,911,575 | -11.83% | 1.90 |
| Apr 30, 2026 | 7,838,703 | -7.70% | 3.19 |
| Apr 15, 2026 | 8,492,933 | -7.00% | 6.92 |
| Mar 31, 2026 | 9,132,015 | -5.89% | 8.07 |
| Mar 13, 2026 | 9,703,646 | 4.50% | 7.83 |
| Feb 27, 2026 | 9,286,059 | -3.19% | 7.79 |
| Feb 13, 2026 | 9,592,489 | 8.45% | 7.54 |
| Jan 30, 2026 | 8,844,925 | 1.01% | 8.25 |
Full history, charts, and borrow-fee detail are on the CPRX short interest page.
Frequently asked questions
What is the current short interest in CPRX?
As of the latest FINRA settlement dated July 15, 2026, CPRX had approximately 340,264 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short CPRX?
The latest borrow fee (cost to borrow) for CPRX is 0.25% 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 CPRX?
Days to cover for CPRX is approximately 0.11 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 CPRX a short squeeze candidate?
A squeeze needs shorts that are hard to close. CPRX trades about 2,998,595 shares a day and would take roughly 0.11 days to unwind current short positions, at a current borrow fee of 0.25%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.