@Pushkin755 , @BearPigs , @friendevil11
Origin games cannot be Cached right now.
They are working together (more or less) with the LanCache-Team to get it working again.
However someone got it to work with Fiddler (click), but thats client sided.
For more informations:
https://answers.ea.com/t5/Origin-Client-Web-Technical/Origin-using-HTTPS-for-Downloads/td-p/7989098