because before updward trend happen it will dump and pump for several times
These are signals that this is the stage of accumulation for the observed coin. Unfortunately, it is very difficult to determine how long the cumulation period will last, but when I decide to buy, I set myself up for sale for the price that is good for me and I just wait. The profit will realize itself when the price starts to rise.
you alright, indeed difficult to determine how long the cumulation period will last but ussually when bitcoin price reach highest price then falling down so slowly it show bitcoin price difficult to increase price again. difficult to prediction about bitcoin price. so such you do, i will sell my bitcoin when i get profit or sell it when the price starts to rise..