Party IDs & Roles

Fields

Trade capture reports for trades placed by your own account use one party ID with the following PartyRole <452> value:

Field	Tag	Value
NoPartyIDs	453	`1`
First Group
PartyID	448	The API session key of the REST or FIX session that placed the order; "UI" when placed using the website.
PartyRole	452	`11 = Order Origination Trader`
PartyIDSource	447	`D = Proprietary/Custom Code`

Last modified on October 8, 2025