How to create a HUD Effect in just one minute
Select the Ellipse Tool
step 1
And Create a Ellipse
Turn the stroke to gradient
step 2
Adjust the colours of your choice
Make the following adjustments
step 3
In the Stroke Panel
Go to windows Effect Panel
step 4
Then effect panel and make the changes, distort and transform, and then select transform. Make the adjustments as per the screenshot
Watch the video here
You can learn how to do this too