First Install the widget into StreamElements using the link below https://streamelements.com/dashboard/overlays/share/602797bc05375508b8f2a3bd
From the My Overlays section of your Stream Elements dashboard and click edit on the Rally Coin Price overlay.
On the left panel, click on the bar that says Coin Price
Navigate to Settings>General Settings
In the Enter Creator Coin field type the coin price you want to display in ALL CAPS. You're all set. If you like you customize even further.