BEIJING, Jan. 18 (Xinhua) -- China's interbank treasury bond index in net price closed 0.12 percent lower at 980.71 points Monday, according to the China Foreign Exchange Trade System.

The index reflects real-time trading of treasury bonds in China's interbank bond market.

The index opens at 9 a.m. on every workday and is updated every five minutes until closing at 5 pm.