Lock-up shares worth about 56.2 billion yuan (about 8.43 billion U.S. dollars) will become eligible for trading on the Shanghai and Shenzhen stock exchanges in the coming week.

The amount is 59.88 percent higher than last week, according to data compiled by information service provider Wind.

Lock-up shares from 32 listed companies will become tradable from Aug. 14 to 18, it said.

The peak share-unlocking period will fall on Aug. 15, with shares from five companies worth 24.26 billion yuan to become tradable on a single trading day.

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

Chinese stocks closed lower on Friday, with the benchmark Shanghai Composite Index down 1.63 percent to close at 3,208.54 points and the smaller Shenzhen Component Index closing 1.81 percent lower at 10,291.35 points.