Market Data Advisory Notices
To Market Data Distributor
From Market Data Operations
Subject Tick Changes for CME Eurodollar Options - Effective July 15, 2007
Notice Date 2007-07-05
Notice Number Q2007-173
Effective Date 2007-07-15

Effective Sunday, July 15, 2007 (for trade date Monday, July 16), the tick for CME Eurodollar options on futures on the CME Globex ® platform will change as detailed below.

CME Eurodollar Options Tick Changes

 

CME Eurodollar Options

Current Tick Size

New Tick Size

Outright Options

Spot Month Options

0.25

0.25

All Serial Options

VTT 12

VTT 12

First Two Quarterly Options

VTT 12

All Other Quarterly Options

0.50

All MidCurve Options

0.50

CME Eurodollar options spreads with at least one Spot Month leg will be eligible for a 0.25 tick. Spreads where all legs are VTT 12 will use VTT 12. All other option spreads will be eligible for 0.50 tick.

Variable Tick Tables are defined in position 576-577, Variable Tick Table Index Code, in the Instrument Creation (MO) message. More information on VTT is available in CME Market Data Platform SDK: Core Functionality, section 4.5.3 "Calculating Tick Size Based on Instrument Creation (MO) Message". More information on MO messages is available in CME Market Data Platform SDK: RLC Message Specifications.

These changes will be available in New Release for customer testing after the maintenance window on Wednesday, July 11.