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Client-Bound Messages

Market Data Request Reject <Y>

Fields

TagNameReqDescription
Standard HeaderYMsgType = Y
262MDReqIDYUnique identifier of the market data request being rejected.
281MDReqRejReasonNReason why Market Data Request <V> was rejected.

Valid values:
0 = Unknown Symbol
1 = Duplicate MDReqID <262>
4 = Unsupported SubscriptionRequestType <263>
5 = Unsupported MarketDepth <264>
8 = Unsupported MDEntryType <269>
Standard TrailerY
Last modified on April 17, 2026
Market Data Incremental RefreshSymbol List
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