You likely use the Alby fiat rates. Can you go to settings and disable fiat rates or use a different rate provider. 
In the rates we specifically use the Alby one to not make users request other sources without knowing it. 

and thanks for investigating this, this for sure is helpful for us to improve this and I am sure we can get better there. 
User privacy is very important to us, though we our main focus is at this point simplicity.