Tick Size Pilot
Market Maker Transaction Data Technical Specification
2. CHX Contacts
This section includes contact information that you may need.
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CHX Control Room Operations
o ControlRoom@hx.com
o (312)663-2606
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CHX Trading Operations
o (312)663-2038
•
CHX Trouble Desk
o CTrbldesk2@hx.com
o (312)663-2111
Revision Number: 1
CHX Proprietary & Confidential (See Page ii)
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