How many shares were traded on Black Tuesday during the Wall Street Crash of 1929?

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About 16.4 million shares were traded on Black Tuesday during the Wall Street Crash of 1929.

Black Tuesday was October 29, 1929, when panic selling overwhelmed the New York Stock Exchange. The trading volume set a record at the time and was far above the normal activity of the period.

The Dow Jones Industrial Average fell 12 percent that day. Black Tuesday followed Black Monday, when the Dow had already lost almost 13 percent, turning a sharp correction into a historic market collapse.

The volume figure is often rounded to 16 million shares in summaries. The exact commonly cited figure is 16.4 million, and it should not be confused with the roughly 12.9 million shares traded on Black Thursday, October 24.

Source: Wikipedia · fact-checked Oct. 2026

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