ProShares - UltraShort MSCI EAFE (EFU) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

ProShares - UltraShort MSCI EAFE (EFU) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $728,530, listed on AMEX, carrying a beta of -1.28 to the broader market. ProShares UltraShort MSCI EAFE seeks daily investment results, before fees and expenses, that correspond to two times the inverse (-2x) of the daily performance of the MSCI EAFE Index. public since 2007-10-25.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for EFU as of 2026-06-02; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how open interest is reported and how to read the data →