Currency trade

Q 11: Is it permissible to trade in currency, such as buying dollars and waiting until their price goes up to sell them and thus make a profit?

A: This is permissible provided that the exchange takes place on the spot, whether the currencies are of the same type or not but they must be of the same value if they are of the same type.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his Family, and Companions.