ETF Series Solutions - Aptus April Buffer ETF (APRB) 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.

ETF Series Solutions - Aptus April Buffer ETF (APRB) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $25.1M, listed on CBOE, carrying a beta of 0.39 to the broader market. APRB seeks to provide defined returns linked to the performance of the SPDR S&P 500 ETF Trust (SPY) over a one-year outcome period from April 1 to March 31. public since 2025-10-14.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for APRB as of 2026-10-16; 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 →