Market Data Advisory Notices
To Market Data Distributors
From Market Data Operations
Subject Elimination of All-Or-None (AON) Trades for E-mini S&P Futures and E-mini NASDAQ 100 Futures Contracts - Effective Sunday, March 2, 2008
Notice Date 2008-02-21
Notice Number Q2008-036
Effective Date 2008-03-02
Effective Sunday, March 2, 2008 (trade date Monday, March 3),CME Group will eliminate All-Or-None (AON) trades for E-mini S&P 500 (AON Ticker code: EG) and E-mini NASDAQ 100 futures (AON Ticker code: NV) contracts. 
 
Currently, the threshold for the AON trades for both products is 250 contracts. When adopted, CME Globex ® had a maximum order size of 30 contracts; that maximum order size has increased over the years to 2000 contracts for the E-mini S&P 500 futures and 1500 contracts for the E-mini NASDAQ 100 futures, making the AON facility obsolete.