LME Exchange API Mapping MiFID II

Exchange API Mapping for MiFiD II

To support MiFiD II, LME Gateway 7.18.25 and higher supports the exchange API fields described in the following table. The valid values are entered in the client trading application for each of the following fields and sent to the exchange by the TT Gateway.

X_TRADER®/TT User Setup Field

Sent to Exchange as...

Description

Mandatory for Order Routing?

Direct Electronic Access 10050-DEA

Indication of whether or not the order is sent from direct/sponsored access, or from another source. Valid values: 

  • 1: True
  • 0: False

Yes

Trading Capacity

10051-TradingCapacity

Indication of dealing on own account (DEAL), matched principal (MATCH), or any other trading capacity (AOTC). Valid values: 

  • 1: Market Maker (DEAL)
  • 2: Matched Principal (MATCH)
  • 3: Client (AOTC)

Yes

Liquidity Provision Tag 448 with 452 PartyRole = 35-Liquidity Provider

Indication of market making. Valid values: 

  • 0: True
  • 1: False

No

Commodity Derivative Indicator

 20023-CommodityDerivativeIndicator

Indication of whether the order is for hedging purposes to reduce risk. Valid values: 

  • 0: True
  • 1: False

Yes

Investment Decision

Tag 448 with 452 PartyRole =  300-InvestmentDecisionWithinFirm

Indication of who made the trading decision. Contains the short code sent to the exchange. Must be a numeric value.

No

Execution Decision

Tag 448 with 452 PartyRole = 301-ExecutionDecisionWithinFirm

Indication of who or what algo submitted the order. Contains the short code sent to the exchange. Must be a numeric value.

Yes

Client

Tag 448 with 452 PartyRole =  3-ClientID

Identification of the customer (LEI/Short Code). Must be a numeric value.

Yes

FFT2

Tag 58

Customer Account. Required only for LME Precious products on Client Orders where Tag 581 (AccountType) =1 or 3.

No

FFT4

Tag 448 with 452 PartyRole =  3-ClientID

LME Client ID. Required only for LME Precious products on Client Orders where Tag 581 (AccountType) =1 or 3.

If users on a session are in multiple countries, the ClientCountry value may also be configured in the FFT4 field along with the LME Client ID and separated by a pipe (|). For example: ABC123|GB

No

FFT5

Tag 448 with 452 PartyRole =  122

Decision Maker. Required only for LME Precious products on Client Orders where Tag 581 (AccountType) =1 or 3. Only numeric values are supported.

No

FFT6

N/A

Not supported

No

Notes:

*Uses existing Account Type configured in X_TRADER. Any value populated here is for internal use only and will not be submitted to the exchange. This value will be added to the Gateway Audit Files and FIX Drop Copies to assist with reporting if needed.