MFS Active Exchange Traded Funds Trust - MFS Active Mid Cap ETF (MMID) 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.

MFS Active Exchange Traded Funds Trust - MFS Active Mid Cap ETF (MMID) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $35.6M, listed on NYSE, carrying a beta of 0.37 to the broader market. MMID aims to maximize growth and value opportunities within the US mid-cap equity market, primarily through common stocks. public since 2025-09-24.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for MMID as of 2026-10-15; 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 →