I don't think Valencia CF have an option to purchase the player at the end of his loan deal, but the details surrounding the deal are scarce and we'll find out more in the coming hours and days. I think this is a solid deal and a player we needed. Cheryshev has been doing quite well on the left flank for us this season, but he is very injury prone and not the most explosive player, so having another option is a great thing. He can also play on the right flank and free up Soler from there to play more centrally if there is a need.
I think Jose Bordalas is going to stay with the team he's build up from the preseason, but as things change and as there is a need incorporate some of these new arrivals into the first team. Helder Costa joins Valencia CF on a one year loan deal with no option to purchase at the end of it if initial reports are correct, but a useful deal.