Tag Field Name Data Type Description Used in
547 MDImplicitDelete

AbbrName: ImplctDel
Boolean Defines how a server handles distribution of a truncated book. Defaults to broker option.

Valid Values:

N - Server must send an explicit delete for bids or offers falling outside the requested MarketDepth of the request
Y - Client has responsibility for implicitly deleting bids or offers falling outside the MarketDepth of the request
MarketDataRequest