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ISO 20022 external code set

ExternalPostTradeEquity1Code: Post Trade Equity Codes

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Information related to the post trade of equities.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

13 codes in use. External code sets are published outside the message schemas and updated every quarter, so a new code can appear without a new message version.

Codes

  • ALGOAlgorithmic TransactionFlag for transactions executed as a result of an investment firm engaging in algorithmic trading
  • AMNDAmendmentFlag when a previously published transaction is amended.
  • BENCBenchmark TransactionFlag for transactions executed in reference to a price that is calculated over
  • CANCCancellationFlag when a previously published transaction is cancelled.
  • CONTContingent TransactionFlag for transactions that are contingent on the purchase, sale, creation or redemption of a derivative contract or other financial instrument where all the components of the trade are meant to be executed as a single lot.
  • LRGSPost Trade LIS TransactionFlag for transactions large in scale relative to normal market size, executed under a permitted post-trade deferral.
  • NLIQNegotiated Transaction In Liquid Financial InstrumentsFlag for transactions made within the current volume weighted spread reflected on the order book or the quotes of the market makers of the trading venue operating that system.
  • NPFTNon Price Forming TransactionFlag for non-price forming transactions
  • OILQNegotiated Transaction In Illiquid Financial InstrumentsFlag for transactions in an illiquid instrument traded at a system-set percentage of a reference price.
  • PORTPortfolio TransactionFlag for transactions in five or more different financial instruments where those transactions are traded at the same time by the same client.
  • PRICNegotiated Transaction Subject To Conditions Other Than The Current Market PriceFlag for transactions executed subject to conditions other than the current market price of that financial instrument.
  • RFPTReference Price TransactionFlag for transactions which are executed under systems.
  • SDIVSpecial Dividend TransactionFlag for transactions where dividends accrue to the non-entitled party due to ex- or cum-dividend timing.

Messages that use ExternalPostTradeEquity1Code

MessageElement path
auth.124versions 001.01

All ISO 20022 code sets · ISO 20022 messages

The ISO 20022 code set names, code values, names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.