I wish we had a crystal ball. Supposed it was for currency trading we would all become a multi millionaire

What happen if from this moment instead of keep going up, it keeps going down ??
There is what is the so called DCA (Dollar Cost Averaging) vs Lump sum investing (LSI). It is typical used in swing trading stocks but it could also be used in currency trading. Both have advantages and disadvantage. But for those who own a crystal, so could see what will happen in the future, LSI is definitely better.