Brookstone Ultra-Short Bond ETF (BAMU) 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.

Brookstone Ultra-Short Bond ETF (BAMU) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $70.8M, listed on CBOE, carrying a beta of -0.01 to the broader market. The Fund is an actively managed exchange traded fund (“ETF”) that, under normal circumstances, invests at least 80% of its net assets in U. public since 2023-09-27.

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