Holding coins is different from trading, Trading involves buying crypto assets to sell at a short intervals, and it depends on individuals plans and strategies. Holding is a plan to grow one's money overtime, it is a commitment of crypto assets to achieve later benefits.
We have different types of trading, and also holding strategies. Trading types includes Day trader, swing trader, copy trader etc, and there are short time Holding and long time Holding.
Now, a day trader take advantage of a quick rise in price of a crypto assets to close his position within the day, while a swing trader enter and exit his/her positions at certain price target and can be over the week, months etc
A short time Holder take advantage of a rise in price of an assets on a short time period, to close his position, while a long time Holder, similar to long-term investments, holds his/her crypto assets for long time in the future, probably on retirement to close his position.