https://community.betfair.com/general_betting/go/thread/view/94082/26416177/anyone-used-markowitz?https://community.betfair.com/general_betting/go/thread/view/94082/26416177/anyone-used-markowitz?post_id=477276433#477276433?Wed, 08 Dec 2010 14:34:51 -0600