ProShares - Merger ETF (MRGR) 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.

ProShares - Merger ETF (MRGR) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $13.5M, listed on CBOE, carrying a beta of 0.01 to the broader market. The fund is designed to track the performance of the index and provide exposure to a global merger arbitrage strategy. public since 2012-12-13.

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