Must be the first field in the repeating group

Order number within the list

Indicates number of pre-trade allocation accounts to follow

Can contain multiple instructions, space delimited. If OrdType=P, exactly one of the following values (ExecInst = L, R, M, P, O, T, or W) must be specified

Can be repeated multiple times if message is related to multiple symbols

Can be repeated multiple times if message is related to multiple symbols

Can be repeated multiple times if message is related to multiple symbols

Must be specified if a Future or Option. If a Future: Symbol, SecurityType, and MaturityMonthYear are required. If an Option: Symbol, SecurityType, MaturityMonthYear, PutOrCall, and StrikePrice are required

Specifies the month and year of maturity. Required if MaturityDay is specified

Can be used in conjunction with MaturityMonthYear to specify a particular maturity date

For Options

For Options

For Options

For Fixed Income, Convertible Bonds, Derivatives, etc. Note: If used, quantities should be expressed in the "nominal" (e.g. contracts vs. shares) amount

For Fixed Income

Can be used to identify the security

Can be repeated multiple times if message is related to multiple symbols

Must be set if EncodedIssuer field is specified and must immediately precede it

Encoded (non-ASCII characters) representation of the Issuer field in the encoded format specified via the MessageEncoding field

Can be repeated multiple times if message is related to multiple symbols

Must be set if EncodedSecurityDesc field is specified and must immediately precede it

Encoded (non-ASCII characters) representation of the SecurityDesc field in the encoded format specified via the MessageEncoding field

Useful for verifying security identification

To indicate the side of SideValue1 or SideValue2, specify Side=Undisclosed and SideValueInd=either the SideValue1 or SideValue2 indicator

Refers to the SideValue1 or SideValue2. These are used as opposed to Buy or Sell so that the basket can be quoted either way as Buy or Sell

Either CashOrderQty or OrderQty is required. Note that either, but not both, CashOrderQty or OrderQty should be specified

Either CashOrderQty or OrderQty is required. Note that either, but not both, CashOrderQty or OrderQty should be specified. Specifies the approximate "monetary quantity" for the order. Broker is responsible for converting and calculating OrderQty in shares for subsequent messages

Required for Previously Indicated Orders (OrdType=E)

Required for Previously Quoted Orders (OrdType=D)

Conditionally required if TimeInForce = GTD and ExpireTime is not specified

Conditionally required if TimeInForce = GTD and ExpireDate is not specified

States whether executions are booked out or accumulated on a partially filled GT order

Must be set if EncodedText field is specified and must immediately precede it

Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field

Can be used with OrdType = "Forex - Swap" to specify the "value date" for the future portion of an F/X swap

Can be used with OrdType = "Forex - Swap" to specify the order quantity for the future portion of an F/X swap

Code to identify the price a DiscretionOffset is related to and should be mathematically added to. Required if DiscretionOffset is specified

Amount (signed) added to the "related to" price specified via DiscretionInst