First Trust Exchange-Traded Fund VIII - FT Vest U.S. Equity Max Buffer ETF - December (DECM) 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.

First Trust Exchange-Traded Fund VIII - FT Vest U.S. Equity Max Buffer ETF - December (DECM) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $49.0M, listed on CBOE, carrying a beta of 0.19 to the broader market. DECM uses FLEX options to match the price returns of SPDR S&P 500 ETF Trust (SPY), up to a predetermined upside cap of at least 7%, while seeking to provide the maximum available buffer of 100% over a one-year period starting in December. public since 2024-12-23.

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