In the challenge stage,  you are not able to merge accounts. Upon completion and passing the evaluation, we allow the merging of accounts. Please note that the max allocation per trader is $400,000. This means that the maximum amount that we allow any trader to trade is $400,000 Also, we are unable to merge different style accounts, for example, if you have a $100,000 1-step challenge and a $100,000 2-step challenge account.