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> Its probably the hardest way to make money in the world

Just no. Certainly it's not easy. But the hardest? I'd say there is a long list of occupations which most people would consider harder on various dimensions.

I think what parent commenter means is that it would be unlikely for almost anyone to make money that way, no matter how smart they are or how much time they put in.

I think they aren’t saying that it’s a hard profession by itself in the way that you are talking about — only that the expected returns are negative for almost anyone.

So in that case it’s not calling day traders smarter or harder working than others. It’s saying that no matter what your level of intelligence or other personal attributes there is likely some other job that would have much higher expected returns.

For person A it might be to be a firefighter, for person B, to be a gymnast, for person C, to be a brain surgeon, for person D to work as a maid. Etc etc.

At least that’s the way that I read it.

Really well put.

I just left a 4am part time delivery job. The constant interruption and sitting then walking then sitting was hurting me more than daily half marathon or power tools injuries + full time car repair work. And it's slightly below minimum wage. So your health is torn, and you're not even able to plan long term because you earn so few. I can quit (it was a planned interim thing) but my colleagues can not. And they have two jobs.

Since that, I consider any job with a desk a god damn luxury. Bonus point: you have your own toilets.

Right, but the point was, day trading isn't a "job" -- a day on the tough job you described would never end with you needing to write a check to your employer.

Isn't it just a matter of discipline to avoid too large losses ?

Even if you can avoid too large losses, you can't avoid the possibility of lots of little losses.

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