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© 2026 Gemini Space Station, Inc.

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        Client-Supplied IdentifiersIdentifiers Assigned by Gemini
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Identifiers

Identifiers assigned by Gemini

Identifiers

TagNameDefined InDescription
49SenderCompIDStandard HeaderAssigned value used to identify the message is sent from Gemini to the client, GEMINI
56TargetCompIDStandard HeaderAssigned value used to identify the firm receiving the message, e.g. CLIENT-DC
571TradeReportIDTrade Capture Report <AE>Globally unique event identifier
448PartyIDTrade Capture Report <AE>The party that placed the trade.

- For FIX sessions, the CompID of the sender
- For API sessions, the session identifier (which is the API key of the sendder)
- For orders placed on the website, UI
Last modified on April 17, 2026
Client-Supplied IdentifiersFields
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