[3] By August 1967, it was located in second-floor offices on Montgomery Street, at which point it was the smallest securities market in the United States and had suffered "years of lingering legal and money ailments.

[3][6] According to the Chicago Tribune, the exchange was founded after the discovery of Nevada's Comstock lode, and on September 11, 1862, forty founders each paid $50 to form a central market for gold and silver shares.

In response to the increase, the Mining Exchange hired Miller & Pflueger to design a building at 350 Bush Street.

[3] By August 1967, it was located in second-floor offices on Montgomery Street, at which point it was the smallest securities market in the United States and had suffered "years of lingering legal and money ailments.

When Broy wanted to retire due to age and sickness, Flach decided to quit the exchange as well.