Is zakat obligatory on the capital, the profit, or both, in the gold trade?

Zakat must be paid on gold traded, and on other currencies, which includes both the principal and the profit. The profit follows the principal in terms of the and the obligation of Zakat. Zakat is calculated by appraising the existing gold at the end of the at its selling price, then one-quarter of one-tenth (2.5%) of the total value is to be given.