About Profusa, Inc. (PFSA) data
Data as of September 30, 2026.
Profusa, Inc. (PFSA) has 160.65K shares sold short as of the latest FINRA settlement report on September 30, 2026. Short interest has increased by 409.28% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.02 days (days to cover).
Frequently asked questions
What is the current short interest in PFSA?
As of the latest FINRA settlement dated September 30, 2026, PFSA had approximately 160,653 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short PFSA?
The latest borrow fee (cost to borrow) for PFSA is 96.02% 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 PFSA?
Days to cover for PFSA is approximately 0.02 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.
How many PFSA shares failed to deliver?
On September 30, 2026, the latest settlement date in the SEC's fails-to-deliver data, 15,573 shares of PFSA had failed to deliver, worth about $35.35K at the prior day's close (2.57% of shares outstanding). That is the balance still outstanding that day, not new fails. Fails come from long sales and delivery delays as well as short sales.
Is PFSA a short squeeze candidate?
A squeeze needs shorts that are hard to close. PFSA trades about 9,017,408 shares a day and would take roughly 0.02 days to unwind current short positions, at a current borrow fee of 96.02%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.