You must edit through the path below and click the 'Save' button for the changed average purchase price to be reflected.
*PC Web
[Upbit Login] - [Investment History] - [Holding Assets] - [Modify ‘Average Purchase Price’ of the digital asset you want to modify]
*Mobile app
[Upbit Login] - [Investment History] - [Select the digital asset you want to modify] - [Touch ‘Edit Average Purchase Price’]
* Mobile web
[Upbit Login] - [Touch ☰ in the upper right corner] - [Investment Details] - [Select the digital asset you want to modify] - [Touch ‘Edit Average Purchase Price’]