Abstract: A method and system for facilitating mirror trading comprising: obtaining first criteria for identifying first target trading position and second criteria for identifying second trading position; automatically opening a first basket of trading positions in accordance with said first criteria, and one or more second baskets of trading positions in accordance with the second criteria; obtaining a liquidation trigger comprising two or more components, each component having a specified percentage weight in respect of the entire liquidation trigger, wherein a first component is applicable to the first basket and a second or more components are applicable to the second or more baskets; and automatically changing the liquidation trigger upon a performance measure satisfying a trigger change criteria, wherein the specified percentage weights are also applicable to said changed liquidation trigger.