Sequenced Unit Header
| Field | Value | Value Description |
|---|---|---|
| Hdr Length | 31 00 | 49 bytes, including header |
| Hdr Count | 02 | 2 messages to follow |
| Hdr Unit | 01 | Unit 1 |
| Hdr Sequence | 00 00 00 00 | Always set to zero |
Global Markets
Tradable Products
Featured Products
Cboe Data Vantage
Analytics & Execution
Access Solutions
Indices
Other Solutions
Insights
Education
New to Options?
Build your education foundation with the essential course covering options use cases, terminology, and mechanics.
- Master the basics of calls, puts, and the language of options
- Learn what impacts an option’s price
- Review payout diagrams and profit and loss zones
Next Level Learning for More Advanced Investors
Sign up for our free learning portal and make your learning stick:
- Pick up right where you left off
- Track completions and scores across your learning journey
- Get tailored courses and class suggestions
