ˌopen ˈmarket BrE AmE noun
1 . on the open market goods that are bought and sold on the open market are sold publicly rather than privately:
The painting would fetch millions of dollars if it was sold on the open market.
2 . [countable usually singular] a system which makes it easy to buy and sell goods with other countries, because there are few restrictions:
There is now an open market within the European Community.