Market Data Advisory Notices
To Quote Vendors
From Market Data Operations
Subject Interest Rate Futures Group Code Consolidation-- Effective Sunday, August 3, 2008
Notice Date 2008-07-02
Notice Number Q2008-130
Effective Date 2008-08-03
Effective Sunday, August 3 (trade date Monday, August 4), the Instrument Group Codes for the following Interest Rate futures will be changed:
Futures & Spreads
Product Code
Current Instrument
Group Code
New Instrument
Group Code
30-Year U.S. Treasury Bond
ZB
ZB
ZB
10-Year U.S. Treasury Note
ZN
ZN
5-Year U.S. Treasury Note
ZF
ZF
2-Year U.S. Treasury Note
ZT
ZT
30-Year U.S. Interest Rate Swap
I3
I3
10-Year U.S. Interest Rate Swap
SR
SR
5-Year U.S. Interest Rate Swap
SA
SA

The Instrument Group Code can be found in the Security Definition (tag 35-MsgType=d) of the FIX/FAST message, tag 1151-SecurityGroup and in the Instrument Creation (MO) RLC message in position 70.

These changes are available for customer testing in the New Release environment as of Monday, June 30.