ProShares S&P 500 Dynamic Buffer ETF (FB) 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 S&P 500 Dynamic Buffer ETF (FB) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $8.4M, listed on CBOE, employing roughly 69,329 people, carrying a beta of 0.25 to the broader market. FB is a passively managed fund that aims to provide exposure to the S&P 500 Index while utilizing an options strategy that seeks to deliver capped gains and a buffer against the first 1%-5% of S&P 500s loss each day. Led by Mark Zuckerberg, public since 2025-06-26.

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