There was this guy that made my entire holding within one week of trading, and this my bitcoin holding took me almost three years to accumulate to that level, this is what make me to feel that expert trader can make more profits much more than a holder, but the difference is that, while the traders money is at risk, the bitcoin holder have less risk since he did not open any position from the bitcoin.
But as a trader, there is a need to gain all the necessary trading skills before you venture into it, but a bitcoin holder just need his wallet to hold bitcoin which is less stressful and none exusting.