I think it will depend on your situation and on the coins you are currently holding. Daily trading is more risky if you are not prepared for it. You need enough knowledge, skills and experience to become successful in daily trading. Good trading strategies is also needed to become successful trader. Holding a coin for a long time is for those who had to time trade and it is more profitable because all you had to do is to wait for the price  of your cryptocurrencies to go up. If you have enough patience for long term holding then you can surely earn significant profits inthe end.