To configure, follow these steps:
Log in to your account.
Make sure that you are in main section.
Navigate to the top right corner and click on the Settings icon
Click on the first field, where your name is displayed.
Scroll down and make sure that you are in the [Reference Currency] section.
Choose the currency you want to apply to your profile from the dropdown menu.
After navigating back, your choice will automatically be updated.
Please note that some accounts may have fewer supported currencies than others.