In downtrend, if buyers have made a strong recent tail below value and current price rotations are now confined between the control and value high, The downtrend is ending. If it does end, breaking value area high and developing a higher value preceded by a buying initiative move, start looking for the new control. If somehow, the downtrend does not end but...
In an uptrend, when you buy in excess below value or somewhere in the bottom half of the value area, the take profit level is always at the control price. When an opportunity arises to buy just above the control, the take profit will be at the value high. The protective stop will always be below the tail of the smaller rejection value area on the lower time-frame...