30-Year Treasury Bond Futures (June 2026) (ZBM6) 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.

30-Year Treasury Bond Futures (June 2026) (ZBM6) operates in the Interest-Rate Futures sector, specifically the Interest-Rate Futures industry, listed on CBOT. 30-Year Treasury Bond Futures June 2026 contract: CBOT 30-Year Treasury Bond futures (ZB): the long-end US Treasury futures benchmark, used for duration hedging and yield-curve trading.

Open interest history tracks how outstanding options contracts change over time. No recent options activity for ZBM6 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 →