FIX Message MarketDataRequestReject (MsgType=Y)
|MsgType||FIX Specification||First introduced|
|MsgType=Y||PreTrade messages - MarketData||FIX.4.2|
The Market Data Request Reject is used when the broker cannot honor the Market Data Request, due to business or technical reasons. Brokers may choose to limit various parameters, such as the size of requests, whether just the top of book or the entire book may be displayed, and whether Full or Incremental updates must be used.
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