1. A market where goods or securities are traded freely without restrictions, with prices determined by supply and demand
The central bank conducted open market operations to control inflation.
O banco central realizou operações de mercado aberto para controlar a inflação.
2. A public market where anyone can buy or sell goods, typically held in an outdoor space
She bought fresh vegetables at the open market downtown.
Ela comprou vegetais frescos no mercado aberto do centro.
3. An unrestricted competitive environment where businesses can freely enter and compete
The company thrives in an open market economy.
A empresa prospera em uma economia de mercado aberto.