About eFFECTOR Therapeutics, Inc. (EFTR) data
Data as of September 30, 2026.
eFFECTOR Therapeutics, Inc. (EFTR) has 5.73K shares sold short as of the latest FINRA settlement report on September 30, 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 30.78 days (days to cover).
Frequently asked questions
What is the current short interest in EFTR?
As of the latest FINRA settlement dated September 30, 2026, EFTR had approximately 5,725 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short EFTR?
The latest borrow fee (cost to borrow) for EFTR is 5.16% 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 EFTR?
Days to cover for EFTR is approximately 30.78 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 EFTR a short squeeze candidate?
A squeeze needs shorts that are hard to close. EFTR trades about 186 shares a day and would take roughly 30.78 days to unwind current short positions, at a current borrow fee of 5.16%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.