About Eisai Co., Ltd. (ESAIY) data
Data as of September 30, 2026.
Eisai Co., Ltd. (ESAIY) has 108.98K shares sold short as of the latest FINRA settlement report on September 30, 2026. Short interest has increased by 12.73% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.74 days (days to cover).
Frequently asked questions
What is the current short interest in ESAIY?
As of the latest FINRA settlement dated September 30, 2026, ESAIY had approximately 108,983 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short ESAIY?
The latest borrow fee (cost to borrow) for ESAIY is 10.16% 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 ESAIY?
Days to cover for ESAIY is approximately 0.74 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 ESAIY shares failed to deliver?
On September 30, 2026, the latest settlement date in the SEC's fails-to-deliver data, 21,566 shares of ESAIY had failed to deliver, worth about $166.71K at the prior day's close (under 0.01% 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 ESAIY a short squeeze candidate?
A squeeze needs shorts that are hard to close. ESAIY trades about 146,634 shares a day and would take roughly 0.74 days to unwind current short positions, at a current borrow fee of 10.16%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.