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Component – LegInstrumentGrp

On this page

Overview

The <LegInstrumentGrp> component block uses the same structure as the instrument component block sent from FIX clients to TT FIX Order Router, except that all of its tags represent the legs of an exchange-traded strategy. For example, instead of Tag 55 (Symbol) this block contains Tag 600 (LegSymbol).

Tag Directory

Click the links below to navigate to the documentation for that tag.

LegInstrumentGrp
TagNameTypeRequiredComments
555NoLegsSTRINGY

Number of legs in the repeating group

Can be zero (e.g. standardized multileg instrument such as an Option
strategy). The value must be provided even if zero.

616LegSecurityExchangeEXCHANGEC

Required when both of the following are true.

  • The leg instrument trades on a different exchange that the parent instrument.
  • Both Tag 18100 (LegExtDestination) and Tag 602 (LegSecurityId) are absent.

Multi-leg instrument’s individual security’s SecurityExchange.

Possible values:
  • AGGREGATOR
  • ALGO
  • ASE
  • ASX
  • B3
  • BitMEX
  • BrokerTec
  • CBOE
  • CboeFX_SW_NY
  • CBOT
  • CFE
  • CME
  • Coinbase
  • CoinFLEX
  • CurveGlobal
  • CZCE
  • DCE
  • DGCX
  • EEX
  • Eurex
  • Euronext
  • Fenics
  • FEX
  • HKEX
  • ICE
  • ICE_L
  • IDEM
  • INE
  • KCG
  • KRK
  • LME
  • LSE
  • MEFF
  • MEXDER
  • MX
  • NDAQ_EU
  • NFI
  • NFX
  • OSE
  • SGX
  • TFEX
  • TFX
  • TOCOM
18100LegExDestinationEXCHANGEC

Required when both of the following are true.

  • The leg instrument trades on a different exchange that the parent instrument.
  • Both Tag 616 (LegSecurityExchange) and Tag 602 (LegSecurityId) are absent.

Execution destination for the leg order as defined by the institution

Some traders use this tag in place of Tag 207 (SecurityExchange) to
identify the exchange.

ISO 10383 defines a comprehensive list of MIC codes.

602LegSecurityIDSTRINGC

Required when both of the following are true.

  • The leg instrument trades on a different exchange that the parent instrument.
  • Both Tag 18100 (LegExtDestination) and Tag 616 (LegSecurityExchange) are absent.

TT security ID that uniquely identifies the instrument in the TT platform.

Note: The combination of this tag and tag 603
(LegSecurityIDSource) must uniquely identify an instrument in the TT platform.

603LegIDSourceSTRINGC

Required when Tag 18100 (LegExtDestination) and Tag 616 (LegSecurityExchange) are absent.

Multileg instrument’s individual security’s SecurityIDSource.

Note: The combination of this tag and tag 602
(LegSecurityId) must uniquely identify an instrument in the TT
platform.

600LegSymbolSTRINGN

Multi-leg instrument’s individual security’s Symbol.

Condition: Required when Tag 167 (SecurityType)=MLEG.

See Symbol (55) field for description.

Note: Users can map the value of Tag 600 to a different symbology using the Symbol Mapping feature in User Setup. Refer to the Fix Rules and Symbol Mappings section in the User Setup Help for more information.

608LegCFICodeSTRINGN

Multileg instrument’s individual security’s CFICode (tag 461).

See CFICode (461) field for description

620LegSecurityDescSTRINGN

Leg security description.

607LegProductINTN

Multileg instrument’s individual security’s product.

Possible values:
  • 1: Agency
  • 2: Commodity
  • 3: Corporate
  • 4: Currency
  • 5: Equity
  • 6: Government
  • 7: Index
  • 8: Loan
  • 9: Money market
  • 10: Mortgage
  • 11: Municipal
  • 12: Other
  • 13: Financing
  • 14: Energy
609LegSecurityTypeSTRINGN

Multi-leg instrument’s individual security’s SecurityType.

Possible values:
  • FUT: Future
  • MLEG: Multi-leg
  • OPT: Option
  • SPOT: EEX spot products
  • TBOND: Treasury bond
  • CS: Common stock
  • NONE: No security type (Not valid for 35=c, e or V)
764LegSecuritySubTypeSTRINGN

SecuritySubType of the leg instrument.

See SecuritySubType (762) field for description

610LegMaturityMonthYearMONTHYEARN

Multi-leg instrument’s individual security’s MaturityMonthYear

611LegMaturityDateLOCALMKTDATEN

Multi-leg instrument’s individual security’s MaturityDate.

18314LegMaturityDayDAYOFMONTHN

Multi-leg instrument’s individual security’s MaturityDay.

612LegStrikePricePRICEN

Multi-leg instrument’s individual security’s StrikePrice.

1358LegPutOrCallINTC

Required when Tag 609 (LegSecurityType) is OPT

Whether the option represents a put or call

Possible values:
  • 0: Put
  • 1: Call
624LegSideCHARN

The side of this individual leg (multi-leg security).

Possible values:
  • 1: Buy
  • 2: Sell
  • 3: Buy minus
  • 4: Sell plus
  • 5: Sell short
  • 6: Sell short exempt
  • 7: Undisclosed
  • 8: Cross
  • 9: Cross short
623LegRatioQtyFLOATN

Ratio of quantity for this individual leg relative to the entire
multi-leg security

The value represents one of the following:

  • For a leg of a covered strategy (such as a volatility trade) on CME
    or NYSE_Liffe markets, the value represents the delta (expressed as
    an integer between 1 and 100).
  • In all other cases, the value represents the quantity of this leg in
    the strategy.
1420LegExerciseStyleINTN

Type of exercise for a derivatives security.

Possible values:
  • 0: European style: may be exercised only on the expiration date.
  • 1: American style: may be exercised on any business day until the expiration date.
  • 2: Bermuda style: Not available.
556LegCurrencyCURRENCYN

Currency associated with a particular leg’s price

561RoundLotQTYN

The trading lot size of a security.

566LegPricePRICEN

Price of the leg for a multi-leg instrument

687LegQtyQTYN

Quantity of this leg.

654LegRefIDSTRINGN

Unique indicator for a specific leg.

Note: Sent only for FIX 4.4 sessions when the tag is
included the corresponding
New Order
Multileg (AB)

request. FIX 4.4 Drop Copy sessions will not send this tag for orders
placed from the TT Trade application.

637LegLastPxPRICEN

Execution price assigned to a leg of a multileg instrument.

18224LegContractYearMonthSTRINGN

Contract term of the underlying instrument in the form, YYYYMMM

18212LegDeliveryTermCHARC

Required when both of the following are true:

  • The Security Definition indicates it is required.
  • The delivery term is not monthly.

Term of delivery for the underlying instrument.

TT FIX uses this value to identify contracts that do not have a
monthly delivery term.

Possible values:

  • A: Same day
  • B: Balance of month
  • C: End of Month
  • D: Day
  • E: Weekly
  • H: Hour
  • L: Balance of week
  • M: Month
  • N: Next day
  • P: Pack
  • Q: Quarterly
  • S: Seasonal
  • T: Weekend
  • V: Variable
  • W: Week
  • X: Custom
  • Y: Year
18213LegDeliveryDateLOCALMKTDATEC

Sent when available

Date for contract delivery

1366LegAllocIDSTRINGC

Sent when provided by the exchange.

Identifier assigned to a leg of a multi-leg trade for ASX clearing
purposes (clearing deal number).

16568LegAvgPxPRICEC

The average (mean) price for the legs of a spread.

This value will be populated on Summary Spread Fill Execution Reports.

16615LegTTRoutingAccountSTRINGN

TT Routing Account for the leg. Valid for routing synthetic spread orders only.

N

Repeating group of security alt IDs for legs in a multileg instrument. For
additional information about this group, consult the full
documentation.

604NoLegSecurityAltIDNUMINGROUPC

Sent when there are one or more alternate leg security IDs

Number of alternate leg security IDs contained in this repeating group

605LegSecurityAltIDSTRINGY

Alternate ID for an instrument or security, typically for display purposes.

606LegSecurityAltIDSourceSTRINGY

New tag for TT

Class or source of the LegSecurityAltID (605) value.

Possible values:
  • 1: CUSIP number (sent only when provided by the exchange)
  • 4: ISIN number
  • 5: RIC code
  • 8: Exchange security ID
  • 94: Alt Symbol (For ICE, the value is the “Cleared Alias” for the contract.)
  • 95: Clearport
  • 97: Alias
  • 98: Name
  • 99: Other
  • 91: Exchange Ticker
  • A: Bloomberg Code
  • H: Clearing House
  • S: OpenFIGI ID
16616LegBloombergSecurityExchangeSTRINGN

Name of the market where the instrument of the LegSecurityAltID (605) value trades.

C

Only used in Execution Report (8) messages when the FIX client is connected to a TT FIX 4.4 session.

Repeating group of fills for this leg instrument.

16120LegNoFillsNUMINGROUPC

Sent for each leg when a multileg order is filled through multiple price levels in a single match transaction, i.e. “sweeping the market”. Can be sent when LegNoFills = 1 for some markets, such as Eurex/EEX.

Number of partial leg fills included in an Execution Report

Note: Only sent if the FIX client is connected to a TT FIX 4.4 session.

16121LegFillExecIDSTRINGC

Sent when tag 16120 > 0

Unique identifier of leg execution as assigned by sell-side (broker, exchange, ECN). The ID must not overlap tag 17 (ExecID).

16122LegFillPxPRICEC

Sent when tag 16120 > 0

Price of this leg fill

16123LegFillQtyQTYC

Sent when tag 16120 > 0

Quantity of this leg fill

16124LegFillTradingVenueRegulatoryTradeIDSTRINGC

Sent if available when tag 16120 > 0

Trading Venue transaction identification code of this leg fill

16125LegFillLastLiquidityIndicatorINTN

Whether this leg fill was a result of a liquidity provider providing or a liquidity taker taking the liquidity in this LegFillsGrp repeating group.

Possible values:
  • 1: Added liquidity
  • 2: Removed liquidity
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