US dollars always remain at peak .reason behind it that the whole trade or exchange are done on basis of dollar only. When Indian government want to buy any product from America then they have to pay in dollars. Without dollars we cannot do anything. We see in crypto market that we can trade cryptocurrency with dollars also.

US dollar has good supply and also big nation are running dollars so we cannot see a low price in dollars. So US dollars is the strongest but is lower than pound and yen.