EA Series Trust - MC Trio Equity Buffered ETF (TRIO) 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.

EA Series Trust - MC Trio Equity Buffered ETF (TRIO) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $121.9M, listed on CBOE, carrying a beta of 0.53 to the broader market. TRIO is a fund-of-funds designed to protect against the first 10% of losses in equity exposure, using customized put and call FLEX options. public since 2025-03-06.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for TRIO as of 2026-10-16; 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 →