Contact Us

To contact Market Data Express:

For historical market data, please send an email to or,
and a Customer Service Representative will contact you shortly.

Market Data Express Customer Service is available Monday-Friday, 7:00 a.m. - 4:00 p.m. CST.
However, please allow 24 hours for a response.

Please note:
For information on real-time tick data on CBOE indicies, please send an email to Tom Knorring at

For Customized Option Pricing Service, please contact Matt McFarland by email at