iLink 3 STP Reconciliation
For BrokerTec products participating in workup (US Repo), customer can  leverage a common workup ID to link each trade execution across CME Globex and through Clearing as follows:
iLink tag 820-TradeLinkID
CME STP and CME STP FIX tag 820-LinkIDÂ
For non-workup products ( i.e. US Treasury Actives, EGBs, and EU Repo), iLink 3 tag1797-OrderEventExecIDÂ supports a unique identifier that associates CME STP cleared trades and order execution messaging. This tag allows BrokerTec customers to follow an order from CME Globex execution through clearing.
On STP, the combination of tag 17-ExecID and tag 2490-TrdNum is required for uniquely identifying a trade back to iLink 3.Â
The following example shows how to reconcile the Execution Report - Trade tag 1795-NoOrderEvents repeating groups with the corresponding STP Trade Capture Report messages.
When the incoming aggressor order matches with two resting orders, each counterparty receives:
Trader A receives: Qty traded=28
One iLink 3 Execution Report – Trade message
Two STP Trade Capture Reports (TCRs) with different trade numbers
Â
Each of these trades will have a unique value of tag 2490-TradeNumber which corresponds to iLink 3 tag1797-OrderEventExecutionID.Â
Tag | TCR 1 | TCR 2 | iLink 3 Execution Report - Trade | Qty Filled |
---|---|---|---|---|
Tag 17-ExecID | 4083:M:1058TN0000008 | 4083:M:1058TN0000008 | 4083:M:1058TN0000008 | |
Tag 2490-TrdNum | Â 12 | Â 13 | n/a | |
Trade 1797 -OrderEventExecID 1 | Â n/a | Â n/a | 12 | 8 |
Trade 1797 -OrderEventExecID 2 | Â n/a | Â n/a | 13 | 20 |
Trader B receives: Qty traded=8
One iLink 3 Execution Report – Trade message
One STP Trade Capture Reports (TCR)
Tag | STP TCR | iLink 3 Execution Report - Trade | Qty Filled |
---|---|---|---|
Tag 17-ExecID | 4083:M:1056TN0000008 | 4083:M:1056TN0000008 | |
Tag 2490-TrdNum | Â 12 | n/a | |
Trade 1797 -OrderEventExecID | Â n/a | 12 | 8 |
Trader C receives: Qty traded=20
One iLink 3 Execution Report – Trade message
One STP Trade Capture Reports (TCR)
Tag | STP TCRÂ | iLink 3 Execution Report - Trade | Qty Filled |
---|---|---|---|
Tag 17-ExecID | 4083:M:1057TN0000008 | 4083:M:1057TN0000008 | |
Tag 2490-TrdNum | 13 | n/a | |
Trade 1797 -OrderEventExecID | Â n/a | 13 | 20 |
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