The 17-year-old has attracted interest from Roma in recent weeks after a successful breakthrough season at the Croatian outfit last season, also prompting a call-up to the full international squad.
|7/1||Tottenham are 7/1 with William Hill to finish as the top London club next season
Ban told calciomercato.it: "At a certain point, Dinamo raised their demands whilst Roma wouldn't improve theirs.
"Meanwhile, clubs like Arsenal and Tottenham have called Dinamo and they are dealing with them.
"Would I say Roma are out of the game? In football you never know, anything can still happen."