Harbor Multi-Asset Explorer ETF​ (MAPP) (MAPP) 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.

Harbor Multi-Asset Explorer ETF​ (MAPP) (MAPP) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $8.2M, listed on AMEX, carrying a beta of 0.61 to the broader market. To seek to achieve the fund’s investment objective, Harbor Capital Advisors Inc. public since 2023-09-14.

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