ISO 20022 · External code set

Post trade equity codes

Information related to the post trade of equities.

13 registered codesSource release: August 2026 (v3)
Registered codes in ExternalPostTradeEquity1Code. Select a code for its full definition and source details.
CodePublished name and definition
ALGOAlgorithmic Transaction

Flag for transactions executed as a result of an investment firm engaging in algorithmic trading

AMNDAmendment

Flag when a previously published transaction is amended.

BENCBenchmark Transaction

Flag for transactions executed in reference to a price that is calculated over multiple time instances according to a given benchmark.

CANCCancellation

Flag when a previously published transaction is cancelled.

CONTContingent Transaction

Flag 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 Transaction

Flag for transactions large in scale relative to normal market size, executed under a permitted post-trade deferral.

NLIQNegotiated Transaction In Liquid Financial Instruments

Flag 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 Transaction

Flag for non-price forming transactions

OILQNegotiated Transaction In Illiquid Financial Instruments

Flag for transactions in an illiquid instrument traded at a system-set percentage of a reference price.

PORTPortfolio Transaction

Flag for transactions in five or more different financial instruments where those transactions are traded at the same time by the same client. It is used as a single lot price and that is not a ‘package transaction'.

PRICNegotiated Transaction Subject To Conditions Other Than The Current Market Price

Flag for transactions executed subject to conditions other than the current market price of that financial instrument.

RFPTReference Price Transaction

Flag for transactions which are executed under systems.

SDIVSpecial Dividend Transaction

Flag for transactions where dividends accrue to the non-entitled party due to ex- or cum-dividend timing.

Message references 1

Versions listed in the source workbook, including older versions. This list does not establish which messages a bank, network or provider supports.

  • auth.124.001.01Post Trade Market Data Report V01

Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.