15 years to 25 years.

The maturity time of deliverable bonds in long-term Treasury bond futures ranges from 15 to 25 years. Overall, U.S. Treasury bond futures contracts cover almost the entire Treasury yield curve from short to medium-term to ultra-long term, which greatly facilitates investors to manage interest rate risks in a targeted manner.

Deliverable treasury bonds are book-entry treasury bonds issued within the territory of the People's Republic of China and the Ministry of Finance.