******** Sign of trend change in TF (example H4) **********

 Sign 1: MHV + BB curve

Sign 2: have CSM at opposite direction

Sign 3: midBB cut EMA50 =>confirm. After trend change confirm, trading:

      -   up trend:  BB above EMA50. Last buy zone between downBB and EMA50

       - down trend: BB under EMA50. Last sell zone between upBB and EMA50.