Used to assign collateral to cover a trading position. This message can be sent unsolicited or in reply to a Collateral Request (AX) message.
The Collateral Assignment (AY) message can be used to perform the following:
| Tag | Field Name | FIXML | Req'd | Comments | |||
|---|---|---|---|---|---|---|---|
| <Standard Message Header> | Y | MsgType = AY | |||||
| 902 | CollAsgnID | @ID | Y | Unique Identifer for collateral assignment (AY) | |||
| 894 | CollReqID | @ReqID | N | Identifer of CollReqID (894) to which the Collateral Assignment (AY) is in response | |||
| 895 | CollAsgnReason | @AsgnRsn | Y | Reason for collateral assignment (AY) | |||
| 903 | CollAsgnTransType | @TransTyp | Y | Collateral Transaction Type | |||
| 907 | CollAsgnRefID | @RefID | N | Collateral assignment to which this transaction refers | |||
| 60 | TransactTime | @TxnTm | Y | ||||
| 126 | ExpireTime | @ExpireTm | N | For an Initial assignment, time by which a response is expected | |||
| <Parties> | N | ||||||
| 1 | Account | @Acct | N | Customer Account | |||
| 581 | AccountType | @AcctTyp | N | Type of account associated with the order (Origin) | |||
| 11 | ClOrdID | @ClOrdID | N | Identifier fo order for which collateral is required | |||
| 37 | OrderID | @OrdID | N | Identifier fo order for which collateral is required | |||
| 198 | SecondaryOrderID | @OrdID2 | N | Identifier fo order for which collateral is required | |||
| 526 | SecondaryClOrdID | @ClOrdID2 | N | Identifier fo order for which collateral is required | |||
| 124 | NoExecs | CollExc | N | Executions for which collateral is required | |||
| => | 17 | ExecID | @ExecID | C | Required if NoExecs (124) > 0 | ||
| 897 | NoTrades | TrdColl | N | Trades for which collateral is required | |||
| => | 571 | TradeReportID | @RptID | C | Required if NoTrades (897) > 0 | ||
| => | 818 | SecondaryTradeReportID | @TrdRptID2 | N | |||
| <Instrument> | N | ||||||
| <Financing Details> | N | ||||||
| 64 | SettlDate | @SettlDt | N | ||||
| 53 | Quantity | @Qty | N | ||||
| 854 | QtyType | @QtyTyp | N | ||||
| 15 | Currency | @Ccy | N | ||||
| 555 | NoLegs | Leg | N | Number of legs that make up the Security | |||
| => | <Instrument Leg> | C | Required if NoLegs (555) > 0 | ||||
| 711 | NoUnderlyings | UndColl | N | Number of underlyings | |||
| => | <Underlying Instrument> | C | Required if NoUnderlyings (711) > 0 | ||||
| => | 944 | CollAction | @Actn | C | Required if NoUnderlyings (711) > 0, otherwise this field should not be used. | ||
| 899 | MarginExcess | @MgnExcess | N | ||||
| 900 | TotalNetValue | @TotNetValu | N | ||||
| 901 | CashOutstanding | @CshOutstanding | N | ||||
| <TrdRegTimestamps> | N | ||||||
| 54 | Side | @Side | N | ||||
| 136 | NoMiscFees | MiscFees | N | Required if any miscellaneous fees are reported. Indicates number of repeating entries. | |||
| => | 137 | MiscFeeAmt | @Amt | C | Required if NoMiscFees (136) > 0 | ||
| => | 138 | MiscFeeCurr | @Curr | N | |||
| => | 139 | MiscFeeType | @Typ | C | Required if NoMiscFees (136) > 0 | ||
| => | 891 | MiscFeeBasis | @Basis | N | |||
| 44 | Price | @Px | N | ||||
| 423 | PriceType | @PxTyp | N | ||||
| 159 | AccruedInterestAmt | @AcrdIntAmt | N | ||||
| 920 | EndAccruedInterestAmt | @EndAcrdIntAmt | N | ||||
| 921 | StartCash | @StartCsh | N | ||||
| 922 | EndCash | @EndCsh | N | ||||
| <Spread or Benchmark Curve Data> | N | ||||||
| <Stipulations> | N | ||||||
| <SettlInstructionsData> | N | ||||||
| 336 | TradingSessionID | @SesID | N | Trading Session in which trade occurred | |||
| 625 | TradingSessionSubID | @SesSub | N | Trading Session Subid in which trade occurred | |||
| 716 | SettlSessID | @SetSesID | N | ||||
| 717 | SettlSessSubID | @SetSesSub | N | ||||
| 715 | ClearingBusinessDate | @BizDt | N | ||||
| 58 | Text | @Txt | N | ||||
| 354 | EncodedTextLen | @EncTxtLen | C | Must be set if EncodedText (355) field is specified and must immediately precede it. | |||
| 355 | EncodedText | @EncTxt | C | Encoded (non-ASCII characters) representation of the Text (58) field in the encoded format specified via the MessageEncoding (347) field. | |||
| <Standard Message Trailer> | Y | ||||||
© 2026.
EPAM Systems. All Rights Reserved.
All material contained within the website is copyright of EPAM Systems, Inc. No material contained herein can be copied or otherwise used without the express permission of the copyright holder.