Messages (streams or “tables”) can be referred to as Message Types, which are grouped and permissioned by the following Tokens. Each token groups specific message types:

TokenDescription
EqtMktDataStock quote and prints
FutMktDataFutures quote and prints
OptMktDataOptions quote and prints
SpreadMktDataSpread quote and markups
SpreadExchDataLive public spread orders for each exchange (if available)
EqtSummaryDataStock market summaries
FutSummaryDataFutures market summaries
OptSummaryDataOptions market summaries
EqtMarkDataStock open and close marks
FutMarkDataFutures open and close (settlement) marks
OptMarkDataOptions open and close marks (includes surface marks and closing greeks)
EqtExchImbalanceStock market auction imbalances
OptSurfaceOptions surfaces, at-the-money volatility and related
OptAnalyticsOptions implied quotes and risk slides
OptionDefinitionProduction definitions for options
FutureDefinitionProduction definitions for futures
EquityDefinitionProduction definitions for equities
GlobalDefinitionDividends, EarningsCalendars, Rates, StockBetas
MLinkWsMLink WebSocket admin messages
MLinkRestMLink HTTP/REST admin messages
OptExchAuctionLive consolidated auction notice feed