Page Comparison

iLink 2 Standard Header - CME Globex to Client System

35

MsgType

String(2)

8=Execution Report

Y

Header tag identifying message type.

1

Account

String(12)

Y*

Unique account identifier.

6

AvgPx

Price(20)

Y

Always '0'.

11

ClOrdID

String(20)

Y*

Unique order identifier assigned by client system. Client system must maintain uniqueness of this value.

Refer to iLink - CME Globex Identifiers for more information.

14

CumQty

Int(9)

Y

Contains cumulated traded quantity throughout lifespan of an order.
This value resets to zero if order is cancelled.

17

ExecID

String(40)

Y

CME Globex assigned execution report message identifier; globally unique for each message published.

20

ExecTransType

Char(1)

0=New

Y

Identifies transaction type as 'new' (i.e., new order, order cancel or cancel/replace accepted).

37

OrderID

String(17)

Y

CME Globex assigned order identifier; globally unique for each message published.

38

OrderQty

Int(9)

Y*

Order quantity submitted by client.
The format of this field is different from FIX protocol specifications.
This field must be an integer. 

39

OrdStatus

Char(1)

C=Expired

Y

Identifies type of order elimination.

40

OrdType

Char(1)

1=Market order (with protection)
2=Limit order
3=Stop order (with protection)
4=Stop-Limit order
K=Market-Limit order

Y*

Order type. See Order Management for additional information.

41

OrigClOrdID

String(20)

N

The last accepted ClOrdID in an order chain.
If a value is included in tag 41-OrigClOrdID, the same value is return; however,
if no value is sent, a value of '0' is returned in the Order Elimination message.

Refer to iLink - CME Globex Identifiers for more information.

44

Price

Price(20)

N

Price per single contract unit.

48

SecurityID

Int(12)

Y*

Identifier of the instrument define in tag 107-SecurityDesc.

54

Side

Char(1)

1=Buy
2=Sell

Y

Side of order.

55

Symbol

String(6)

Y

This tag contains the Group Code for the instrument.

59

TimeInForce

Char(1)

0=Day
1=Good Till Cancel (GTC)
3=Fill and Kill (Immediate or Cancel)
6=Good till Date (GTD)

N

Specifies how long the order remains in effect.

If not present, DAY order is the default.  

For GTD, ExpireDate is required.

For FAK, MinQty can also be specified.

See Order Types for Futures and Options or Order Management for more information.

60

TransactTime

UTCTimestamp(21)

Y*

UTC format YYYYMMDD-HH:MM:SS.sss
e.g. 20091216-19:21:41.109

78

NoAlloc

Char(1)

1

N

Returned on Execution Report if sent on inbound message.

79

AllocAccount

String(11)

N

Returned on Execution Report if sent on inbound message.

107

SecurityDesc

String(20)

Y*

Instrument identifier.
Future Example: GEZ8

110

MinQty

Int(9)

C

Minimum quantity of an order to be executed.

The value of MinQty must be between 1 and the value in tag 38-OrderQty.

The format of this tag is different from FIX protocol specifications.

This tag must be an integer.

150

ExecType

Char(1)

C=Elimination Ack

Y

Indicates type of execution report.

151

LeavesQty

Int(9)

0

Y

Quantity available for further execution.
Always '0' for order elimination.

167

SecurityType

String(6)

FUT=Future

OPT=Option

IRS=Interest Rate Swap

FXSPOT=FX Spot

N

Indicates type of security as future or option.

For UDS Futures, send FUT. 

432

ExpireDate

LocalMktDate(8)

N

Required only if tag 59-TimeInForce=Good Till Date (GTD).
CME iLink 2 does not support tag 126-ExpireTime.
Only expiration date can be set.
Orders expire at the end of the trading session.

1028

ManualOrderIndicator

Boolean(1)

Y=manual
N=automated

Y*

Value sent on inbound message from client system indicating the order as sent manually or generated by automated trading logic.

1031

CustOrderHandlingInst

String(1)

W - Desk

Y - Electronic (Default)

C - Vendor-provided Platform billed by Executing Broker

G - Sponsored Access via Exchange API or FIX provided by Executing Broker

H - Premium Algorithmic Trading Provider billed by Executing Broker

D - Other, including Other-provided Screen

Y

Defines source of original order.

1731

AvgPxGroupID

String(20)

N

Used to identify account numbers or orders for grouping trades together for average price calculations.

If incoming value is greater than max length, iLink will return the right-most twenty bytes.

1598

ClearingTradePriceType

String(1)

0 – Trade Clearing at Execution Price
1 – Trade Clearing at Alternate Clearing Price

N

Indicates whether spread differential trade is clearing at execution price (tag 31-LastPx) or alternate clearing price (i.e. previous day’s settlement price).

819

AvgPXIndicator

Int(3)

0 – No Average Pricing (Default)
1 – Trade is part of an Average Price Group Identified by the AvgPxGroupID
3 - Notional Value Average Pricing with Average Price Group Identified by the AvgPxGroupID

N

Indicates if the resulting trade is to be average priced.

This tag is also used to indicate type of average price grouping.

5149

Memo

String(75)

N

Allows users to submit a free-form Note tag with a customer order and persists from order entry through clearing

7928

SelfMatchPreventionID

String(12)

N

This tag is required when market participants elect to use the optional Self Match Prevention functionality.

Non-implied orders with the same Self-Match Prevention identifier submitted with the same Executing Firm Identifier (subcomponent of tag 49-SenderCompID) will not match on CME Globex.

8000

SelfMatchPreventionInstruction

Char(1)

O=Cancel Resting
N=Cancel Aggressing

N

Indicates a cancel instruction when Self Match Prevention is triggered.

9717

CorrelationClOrdID

String(20)

N

Unvalidated value returned as submitted if sent by client system on inbound message. See tag 9717-CorrelationClOrdID note in the iLink 2 New Order message specification for further details.

5979

RequestTime

Int(20)

Y

Information carried on a response to convey the time (UTC) when the request was received by the MSGW application. UTC timestamps are sent in number of nanoseconds since the UNIX epoch with microsecond precision.

iLink 2 Standard Message Trailer

End of message.