CBOE has introduced CSM, CBOE Streaming Market, the multi-cast version of its traditional TCP/IP market data feed.
Market participants who do not hold a CBSX or CBOE Trading Permit are eligible to take the direct feed.
Documentation on the CSM interface can be found at http://systems.cboe.com under the CFN tab.
CFN Production Connection Request
CFN Network Specification V50
CBOE Streaming Current Market
(PDF)(Contact: Tom Knorring, 312.786.7363)
CFN Test Connection Request