Customer Support: If you have any questions please contact our Client Services group at equitiessupport@tradeweb.com or call us in the US at (800) 232-8839, in the UK at +44-(0)-870-191-0563, or in Asia at (632) 878.5738.
NASDAQ Symbology Change: NASDAQ is planning a major change to the structure of its ticker symbols on September 13, 2008. Click here to view the Nasdaq Symbology Change Guidelines.
Trade Data Revisions: Effective January 1, 2008, BlockDATA will charge brokers a processing fee to revise their historical trade volumes. Brokers requiring historical data revision should contact Client Services for details.
Merger User Guide: Is your firm merging with another? Download the BlockDATA Mergers Customer Guide
Most Recent Monthly Summaries Now Available:
View Monthly Summaries
Weekly Maintenance: Please be advised that BlockDATA website will be unavailable each
week from 10:00PM EST on Saturday through 4:00AM EST on Sunday for
routine system maintenance. We apologize for any inconvenience.
Thomson Financial's leading Equity transaction solutions (including AutEx and BlockDATA) are now part of Tradeweb, the world's leading on-line trading marketplace for Fixed Income and Derivatives. For additional information about AutEx products and services, please visit: www.tradewebequities.com.
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