The first batch of 10 exchange-traded funds (ETFs) tracking the CSI A500 started trading on Tuesday, with five on the Shanghai Stock Exchange and the rest on the Shenzhen Stock Exchange.

The new stock index, CSI A500, was formally released by the China Securities Index Co., Ltd. on Sept. 23, while the 10 ETFs tracking this index was launched on Sept. 10.

The index tracks 500 securities with large market values to reflect the overall stock performance of listed companies most representative of China's various industries.