Trading can be obsessive/compulsive and then it is referred as gambling.

gam·ble
verb
As the definitions states, a game of "chance". If you are going to safeguard the lives around you, than the earnings via trading have to be consistent. If they are consistent, than it is not defined as chance, but skill.
- play games of chance for money.
There is a very fine line between gamblers and traders.
There is a very fine line between gamblers and traders.
You can only be right about 30% of the time, the rest will be losing of some degree