Market Data Symbology

The symbology for PITCH and TOP uses different message structure formats (e.g. short vs. long) to provide support symbols of varying lengths. Refer to the appropriate technical specification for full details.

Subordinate CQS securities will be represented on all Cboe proprietary market data feeds using Cboe Suffix Symbology. Subordinate Nasdaq-listed securities do not require conversion as they are limited to 6 characters.