U.S. trading volume was 2.1 billion shares for the month of April 30, 2005, averaging 98 million shares per trading day. This compares to 2.3 billion shares (106 million per trading day) in March 2005 and 1.9 billion shares (78 million per trading day) in April 2004, according to Investment Technology Group (ITG).
There were 21 trading days in April 2005, compared to 22 trading days in March 2005 and 24 trading days in April 2004. The total volume of U.S. shares for the month of April was 2,064,563,748, making the year-to-date volume 7,890,789,302.