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.