Schwab Fundamental U.S. Broad Market Index ETF (FNDB) 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.

Schwab Fundamental U.S. Broad Market Index ETF (FNDB) operates in the Financial Services sector, specifically the Asset Management - Global industry, with a market capitalization near $1.26B, listed on AMEX, carrying a beta of 0.88 to the broader market. The fund's goal is to track as closely as possible, before fees and expenses, the total return of an index that measures the performance of U. public since 2013-08-15.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for FNDB as of 2026-06-02; 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 →