BEIJING - Lock-up shares worth about 27.36 billion yuan ($4.15 billion) will become eligible for trading on the Shanghai and Shenzhen stock exchanges in the coming week.

The amount is down about 42 percent from the previous week, according to information service provider Wind.

Some 2.33 billion lock-up shares of 33 listed companies will become tradable from Nov 27 to Dec 1. Security equipment producer Kedacom is set to unlock shares worth around 3.96 billion yuan.

Under China's market rules, major shareholders must wait one to two years before they are permitted to sell their shares.

Chinese stocks closed mixed Friday. The benchmark Shanghai Composite Index was 0.06 percent higher to close at 3,353.82, while the Shenzhen Component Index lost 0.06 percent to close at 11,168.39.