Dutch-born Ghanaian attacker Myron Boadu estimated market value has risen to approximately 20 million euro according to website transfermarkt.com.
It is the 19-year-old's biggest rise since turning professional in 2016.
The rise comes as no surprise as Boadu simply having a great season.
Boadu has been in impressive form for AZ this season, with his 14 league goals helping Alkmaar to join the top of the table with Ajax.
The red hot attacker has been linked with several clubs including Italian giants Juventus ahead of the summer transfer window.
The return of the Dutch top-flight league remains uncertain as the world tackle the novel coronavirus pandemic.
Boadu has made senior national team debut for the Netherlands in November 2019 and is unavailable to play for Black Stars.