The download file contains the total monthly share volume for each NASDAQ security. The data is available 10-15 business days after the previous month. For example, data for January will be available between the 10th and 15th business day of February.

Instructions are available on how Alternative Trading Systems can utilize this data to comply with Rule 301(b)(3) of the Securities Exchange Act of 1934.

The Market Participant (MP) Monthly Share Volume on this page is no longer being updated. Please refer to the NEW Monthly Market Maker Share Volume page for updated information. The download files on this page are still available via ftp via this address: ftp://ftp.nasdaqtrader.com/monthlysharevolume .

Volume Calculation Explanation for this report and other reports on the site.