Impax Global Infrastructure ETF (BLDX) 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.

Impax Global Infrastructure ETF (BLDX) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $237.0M, listed on AMEX, carrying a beta of 0.79 to the broader market. BLDX is an actively managed exchange-traded fund (ETF) that seeks to invest in infrastructure companies vital for maintaining essential global systems and advancing long-term sustainability goals. Led by James Atkinson, public since 2026-02-03.

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