EA Series Trust - Cambria Tax Aware ETF (TAX) 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.

EA Series Trust - Cambria Tax Aware ETF (TAX) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $25.2M, listed on NASDAQ, carrying a beta of 0.94 to the broader market. TAX used the IRS code 351 conversion to initially seed the ETF, allowing investors to diversify their exposure without experiencing a capital gain. public since 2024-12-18.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for TAX as of 2026-10-15; 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 →