Pacer Swan SOS Flex (October) ETF (PSFO) 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.

Pacer Swan SOS Flex (October) ETF (PSFO) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $16.5M, listed on CBOE, carrying a beta of 0.54 to the broader market. This exchange-traded fund (ETF) is designed to mirror the performance of the SPDR S&P 500 ETF Trust (its benchmark ETF), excluding its own fees and expenses, for an approximate one-year duration. public since 2021-10-01.

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