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MarketDataIncrementalRefresh

MsgType(35)=MarketDataIncrementalRefresh(X)

Direction: Exchange to client.

Report changed aggregated top-of-book sides or newly published trades.

Depth is delivered as full refreshes. A trade is published once from the aggressing side; negotiated trades are included.

Field Layout

See FIX Message Layouts for field ordering and presence rules.

Field Type Presence Behavior
MDReqID(262) STRING Required
NoMDEntries(268) NUMINGROUP Required Repeating group. Always positive. No incremental message is sent when there are no entries.

NoMDEntries(268) Entries

Keep each entry’s fields in the order shown.

Field Type Presence Behavior
MDUpdateAction(279) CHAR Required Supported values:
MDUpdateAction(279)=NEW(0)
MDUpdateAction(279)=CHANGE(1)
MDUpdateAction(279)=DELETE(2)
MDEntryType(269) CHAR Required Supported values:
MDEntryType(269)=BID(0)
MDEntryType(269)=OFFER(1)
MDEntryType(269)=TRADE(2)
Symbol(55) STRING Required
MDEntryPx(270) PRICE Required
MDEntrySize(271) QTY Required
MDEntryDate(272) UTCDATEONLY Optional Not sent by the exchange.
MDEntryTime(273) UTCTIMEONLY Optional Not sent by the exchange.
MDEntryPositionNo(290) INT Optional Not sent by the exchange.
TrdType(828) INT Conditional Included on trade entries; omitted on book updates.

Supported values:
TrdType(828)=REGULAR_TRADE(0)
AggressorSide(2446) CHAR Conditional Included on trade entries; omitted on book updates.

Supported values:
AggressorSide(2446)=BUY(1)
AggressorSide(2446)=SELL(2)