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 $704,684, listed on AMEX, carrying a beta of -1.23 to the broader market. The ProShares UltraShort MSCI EAFE fund is designed to deliver daily returns equivalent to negative two times (-2x) the daily movements 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 2026-07-17; 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 →