BEIJING - Lock-up shares worth about 19.2 billion yuan ($2.9 billion) will become eligible for trade on China's stock market in the coming week.

Around 2.5 billion shares from 22 companies will become tradable on the Shanghai and Shenzhen stock exchanges from June 20 to June 24, according to brokerage Southwest Securities.

Aluminum Corporation of China Limited will see the unlocking of 1.4 billion shares worth about 5.6 billion yuan on Monday, the largest group of the week.

Under China's market rules, major shareholders of non-tradable stocks are subject to one or two years of lock-up before their shares can be traded.