S. 43(5) : Speculative transaction -Derivative -Both delivery based transaction and derivative transactions are non-speculative as far as S. 43(5) is concerned and, thus, they will have same treatment as regards application of Explanation to S. 73 of the Act, matter was remanded back to Assessing Officer to bifurcate speculative loss and normal business loss [ S. 43(5) (d), 73 ]