HODL is one way to play safely, which is to save your bitcoin as long as you want until the price matches your expectations. These are investors who play, because time is not a problem. Long-term investment in bitcoin. For traders that are different, they cannot be old HODLs because bitcoin must be traded for short-term profits. Traders like bitcoin price fluctuations, because fluctuations usually benefit traders. Their price increases, the price drops they also benefit, because they buy at a low price then sell when the price goes up a little is enough.