It was constituted on November 20, 1889 with a capital of 50,000 pesetas represented by 200 shares and it is the only of its kind created by private enterprise. It was approved by Royal Decree of July 21, 1890, announcing the first contribution of 40 values ​​in 1891. It began with six exchange agents and the first sessions were held at the Teatro Arriaga. The Bilbao Stock Exchange building opened in 1905. The business market increased at the end of a century with the industrialization of the river and the arriving of the steel, shiping and mining industries.