Main BuyWrite ETF (BUYW) 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.

Main BuyWrite ETF (BUYW) operates in the Financial Services sector, specifically the Asset Management - Income industry, with a market capitalization near $1.25B, listed on CBOE, carrying a beta of 0.21 to the broader market. The Main BuyWrite Fund seeks to deliver attractive risk-adjusted total returns relative to its peers in the Morningstar Option Writing Category. public since 2022-09-12.

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