About Repare Therapeutics Inc. (RPTX) data
Data as of January 15, 2026.
Repare Therapeutics Inc. (RPTX) has 437.90K shares sold short as of the latest FINRA settlement report on January 15, 2026. Short interest has increased by 125.33% 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 RPTX short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Jan 15, 2026 | 437,896 | 125.33% | 1.00 |
| Dec 31, 2025 | 194,336 | -44.85% | 1.00 |
| Dec 15, 2025 | 352,361 | 2.20% | 1.00 |
| Nov 28, 2025 | 344,773 | -35.39% | 1.00 |
| Nov 14, 2025 | 533,637 | -0.97% | 1.18 |
| Oct 31, 2025 | 538,858 | -13.20% | 2.64 |
| Oct 15, 2025 | 620,829 | 1.78% | 3.58 |
| Sep 30, 2025 | 610,001 | -5.32% | 8.64 |
| Sep 15, 2025 | 644,261 | 5.16% | 6.16 |
| Aug 29, 2025 | 612,655 | -3.39% | 6.93 |
| Aug 15, 2025 | 634,153 | -7.49% | 7.61 |
| Jul 31, 2025 | 685,463 | 22.09% | 1.00 |
Full history, charts, and borrow-fee detail are on the RPTX short interest page.
Frequently asked questions
What is the current short interest in RPTX?
As of the latest FINRA settlement dated January 15, 2026, RPTX had approximately 437,896 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short RPTX?
The latest borrow fee (cost to borrow) for RPTX is 2.31% 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 RPTX?
Days to cover for RPTX 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 RPTX a short squeeze candidate?
A squeeze needs shorts that are hard to close. RPTX trades about 984,565 shares a day and would take roughly 0.44 days to unwind current short positions, at a current borrow fee of 2.31%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.