How do you increase EPMV in Ezoic?

I have been experimenting with various options in Ezoic.

One of those which I didn't touch is the fill rate. What fill rate do you suggest? 100% or less than that?

I am also using another ad network on the site. Let me know your suggestions.

I am set to 100% ...you can also check this how to improve epmv: https://www.ezoic.com/epmv-your-website/