Bitcoin is risky but if historically if you hold your bitcoin a few years, you get good profit. It is a fact when we look back at Bitcoin history. Its future, and will you get profit by holding it a few more years, I don't know.
Bitcoin profitable days. % profitable days holding Bitcoin: 89.3%.
HODL.camp. It suggests you to hold your bitcoin 5 years and 1 month.
If you lose your capital by investment, it is bad. It is better if you don't invest.
If you lose your capital by saving in banks, it is bad. It is better if you don't send your fiat to banks just to get small interest and then lose all capital.