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Types of Trades

For a full list of types of trades, please refer to Guide to the Trading System (MIT201) and the Millennium Exchange and TradEcho Business Parameters. The current version of these documents are also available at the bottom of our Trading Services page.

London Stock Exchange publishes the following types of trades:

Types of Trades	TrdSubType	Description	On Exchange / OTC /SI	Venue ID (refer to Millennium Parameters document)	MIT Order book / TRADEcho Manual	Publishes
AT	Not off book	Automatic Trade	On Exchange	See Sector Breakdown tab	OB	Immediate
UT	Not off book	Uncrossing trade	On Exchange	See Sector Breakdown tab	OB	Immediate
PT	Not off book	Closing Price Crossing Session Trade	On Exchange	See Sector Breakdown tab	OB	Immediate
RF	Not off book	Request For Quote	On Exchange	See Sector Breakdown tab	OB	Immediate
IX	Not off book	Internal Cross	On Exchange	See Sector Breakdown tab	OB	Immediate
IB	Not off book	Internal Block Trade Facility	On Exchange	See Sector Breakdown tab	OB	Immediate
CX	Not off book	Committed Cross	On Exchange	See Sector Breakdown tab	OB	Immediate
CB	Not off book	Committed Block Trade Facility	On Exchange	See Sector Breakdown tab	OB	Immediate
N/A	N/A	Off Book - On Exchange	On Exchange	See Sector Breakdown tab	TRADEcho	Immediate / Deferred / No Publication
N/A	N/A	OTC Trade	OTC	XOFF	TRADEcho	Immediate / Deferred / No Publication
N/A	N/A	SI Trade	SI	SINT	TRADEcho	Immediate / Deferred / No Publication

Following the introduction of MiFID II, London Stock Exchange publishes the following flags for all on Exchange trades:

Field name	Flag	Comment
Execution Venue	MIC code corresponding to the relevant venue, for e.g. XLON, XLOM, AIMX	Identification of the venue where the transaction was executed
Modification Indicator	Null = New trade, CANC, AMND	New trade, cancelled or amended
Negotiated Trade Waiver Condition	N, PRIC, NLIQ, OILQ	Negotiated trade types
Pre-Trade Transparency Waiver (Non equities)	SIZE ILQD	Pre-trade transparency waivers related to non-equity instruments
Benchmark/ Reference price	BENC RFPT	Benchmark or Reference Price Indicator
Non Price Forming Trades	NPFT TNCP	Non Price Forming Transactions and Non Price Contribution to Discovery Indicators.
Special Dividend	SDIV	Special Dividend Indicator
Large in Scale Deferral	LRGS	Publication mode / post-trade deferral: reason.
Transaction Category	(Value meaning) RPRI TPAC XFPH Null	Transaction type e.g. Price Improvement Package Trade Exchange for Physical Standard Trade
Post trade type indicator	(Value-Meaning) LMTF Limited Details FULF FFull Details DATF Daily Aggregated Transaction FULA DAFull Details VOLO Volume Omission FULV VOFull Details FWAF Four Weeks Aggregation FULJ FAFull Details IDAF Indefinite Aggregation VOLW Volume Omission COAF Consecutive Aggregation	Post trade type indicator
Algorithmic trade	(Value-Meaning) ALGO Algorithmic Trade	Transaction type: algorithmic indicator.
Agency CrossTrade	(Value-Meaning) ACTX Agency Cross Trade null	Agency CrossTrade Indicator