After more than 11 or 12 years CDI tracks are back to the exchange markets. First was Presque Isle Downs, bought by CDI two years ago. Now is CD and it seems that Fair Grounds will be available next weekend. Turfway Park was bought by CDI around two years ago so maybe it’ll be back this winter. So finally the exchange is as it was in the first years of Betfair. Betfair stopped to offer CDI and Stronach tracks in 2014. But before that Betfair had stopped to offer on exchange markets California horse racing around 2011 or 2012.