LSE/IDEM Exchange API Mapping MiFID II

Exchange API Mapping for MiFiD II

To support MiFiD II, LSE Gateway 7.18.25 and higher supports the LSE and IDEM 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 DEA Flag

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

  • 1: True
  • 0: False

No

Trading Capacity*

Account Type

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

  • 4: Market Maker (DEAL)
  • 6: Matched Principal (MATCH)
  • 1: Client (AOTC)
If no 'Trading Capacity' from client, this field shows the account type received from client.

No

Liquidity Provision Liquidity Provision Flag

Indication of market making. Valid values: 

  • 1: True
  • 0: False

No

Commodity Derivative Indicator

 N/A

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

Not supported

Investment Decision

Investment Decision ID

Indication of who made the trading decision. A short code of up to 10 integers is sent to the exchange. Valid values are any number between 0000000004 and 4294967295, or 0000000000 (None).

No

InvestmentDecisionIsAlgo Investment Decision ID Qualifier Indication of whether an algo made the trading decision. Valid values:
  • Y: True
  • N: False
No

Execution Decision

Execution Decision ID

Indication of who or what algo submitted the order. A short code of up to 10 integers is sent to the exchange. Valid values are any number between 0000000004 and 4294967295, or 0000000003 (Client).

Yes

ExecutionDecisionIsAlgo Execution Decision ID Qualifier

Indication of whether an algo submitted the order. Valid values: 

  • Y: True
  • N: False
 Yes

Client

Client ID Code

Identification of the customer (LEI/Short Code). A short code of up to 10 characters is sent to the exchange. Valid values are:

  • 0000000000: None
  • 0000000001: Aggregation of multiple client orders (AGGR)
  • 0000000002: Pending Allocation (PNAL)
  • Any value between 0000000004 and 4294967295

No

FFT4

Not sent to the exchange.

Displayed in MiFIDID field in audit file.

No

FFT5

N/A

Not 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.