The May contract rose 0.31 percent to 2,532 points. The June contract gained 0.28 percent to 2,541.6 points, while the September contract was up0.24 percent to finish at 2,571.6 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.