VistaShares Shield S&P 500 Enhanced Protection ETF (VOOB) 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.

VistaShares Shield S&P 500 Enhanced Protection ETF (VOOB) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $25, listed on NASDAQ, carrying a beta of 0.00 to the broader market. The VistaShares Shield S&P 500 Enhanced Protection ETF (the Fund) seeks capital appreciation. public since 2026-09-22.

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