MDX currently offers 2 separate data entitlements:
Technical:
Pete Smith 312-786-7681 smithp@cboe.com
Billing:
312-786-8201 mdx-ar@cboe.com
Administrative:
Tom Knorring 312-786-7363 knorring@cboe.com
General:
marketdata@cboe.com
Mailing address: CBOE Attn: Tom Knorring 400 S. LaSalle Street Chicago, IL 60605