BEIJING, March 22 (Xinhua) -- China's five-year treasury bond futures opened mixed on Thursday, with the contract for settlement in June 2018 opening 0.01 percent higher at 96.69 yuan (about 15.25 U.S. dollars).

The contract for settlement in September 2018 opened 0.03 percent lower at 96.69 yuan. The contract for settlement in December 2018 had no trading at opening.

The contracts are agreements to buy or sell treasury bonds at a predetermined price and set date. They allow investors to bet on and profit from the movements in the value of the bonds.

The treasury bond futures were launched at the Shanghai-based China Financial Futures Exchange and started trading on Sept. 6, 2013.