ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB) 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.

ETRACS Alerian MLP Infrastructure Index ETN Series B (MLPB) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $219.4M, listed on AMEX, carrying a beta of 0.40 to the broader market. The ETRACS Alerian MLP Infrastructure Index ETN Series B is senior unsecured debt securities issued by UBS. public since 2015-10-09.

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