Mints trade and earning

Prediction based earning with following any instructions or plan is halal or haram??Sir i have a question related to this …if we predict Market price or currancy and prediction is related to rise and fall and it is for 5 mints??and we are doing work under a broker or person who know about the market more than use and we are not getting loss we are getting profit and work 6 hours a day . .is it halal or haram??