agaginst
during the past three month ,the JP Morgan index of emerging market currencies has fallen by almost 8 per cent against the dollar
in this sentence "against "means compare with"?
I'm not sure

Question

agaginst
during the past three month ,the JP Morgan index of emerging market currencies has fallen by almost 8 per cent against the dollar 
in  this sentence "against "means compare with"?
I'm not sure

Answer

Yes; compared to or compared with the dollar