BEIJING - China's stock index futures closed up on Monday with the contract for July, the most actively traded, up 67.6 points, or 2.21 percent, from the previous day to 3,122 points.

The August contract closed at 3,132.8 points, up 70.8 points, or 2.31 percent. The September contract closed up 65.2 points, or 2.12 percent, at 3,144.6 points while the December contract was up 67 points, or 2.14 percent to 3,193.2 points.

The stock-index contracts, agreements to buy or sell the Hushen 300 Index at a preset value on an agreed date, are designed to allow investors to bet on and profit from both gains and declines in the market.

The index futures was launched at the China Financial Futures Exchange (CFFEX) and started trading from April 16, 2010. The CFFEX has set the base value for all the four contracts at 3,399 points.