| Tag | Field Name | Data Type | Req’d | Comments |
|---|---|---|---|---|
| Standard header - Outgoing | Y | MsgType 35=Y | ||
| 262 | MDReqID | string | Y | Unique identifier for Market Data Request. |
| 281 | MDReqRejReason | char | Y | Reason for a Market Data request rejection. Valid values: '0' Unknown symbol '1' Duplicate MDReqID (262) '2' Insufficient Bandwidth '3' Insufficient Permissions '4' Unsupported SubscriptionRequestType (263) '5' Unsupported MarketDepth (264) '6' Unsupported MDUpdateType (265) '7' Unsupported AggregatedBook (266) '8' Unsupported MDEntryType (269) '9' Unsupported TradingSessionID (336) 'A' Unsupported Scope (546) 'B' Unsupported OpenCloseSettleFlag (286) 'C' Unsupported MDImplicitDelete (547) |
| Standard trailer | Y |