Effective Sunday, September 22 (trade date Monday, September 23), E-mini S&P options User Defined Spreads (UDS) (tag 1151-SecurityGroup=1V) will move from Market Data Platform (MDP) 3 Channel 311 to 323 to better load balance across the MDP 3 channels.
E-mini S&P options outrights will remain on channel 311.
| Changes to Emini S&P Option User Defined Spreads Market Data Channel | |||
|---|---|---|---|
| PRODUCT | ILINK: TAG 55-SYMBOL MDP 3.0 TAG 1151 - SECURITY GROUP |
CURRENT MARKET DATA CHANNEL |
New MARKET DATA CHANNEL |
| E-mini S&P Options User Defined Spreads | 1V | 311 | 323 |
To facilitate this change, customers are asked to cancel all Good ‘Till Cancel (GTC) and Good ‘Till Date (GTD) orders on E-mini S&P options UDS after the close on Friday, September 20. After 16:00 CT on Friday, September 20, all remaining GT orders for these User Defined Spreads will be canceled or deleted by the CME Global Command Center (GCC).
GT orders on the E-mini S&P 500 option outrights are not affected by this change.
This change will be made available for customer testing in New Release on Monday, August 26.
