ProShares - Ultra High Yield (UJB) 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 - Ultra High Yield (UJB) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $8.6M, listed on AMEX, carrying a beta of 1.39 to the broader market. The ProShares Ultra High Yield fund is designed to generate daily investment outcomes that are double the daily performance of the Markit iBoxx $ Liquid High Yield Index, before factoring in any associated fees or expenses. public since 2011-04-14.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for UJB 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 →