I don't think trading is the same as gambling.
In trading, it is we who will determine the profit or loss. if you want to get out of a trade you made at a loss of course you do it on your own. it's not a matter of luck or a guess.
In gambling, when you place a bet, you have no control over your bet. It is the results published by the bookie that will determine your fate whether you will win or lose.
I guess the two are completely different.
It's already given above that they have some similarities but not completely the same. In trading, I thought you are the one who determines your outcome? So, why say trade at a loss? It's possible to incur a loss in trading because we don't have a full control with it but it was the market.
You only compare trading with sports betting but what about casino games? When you are betting multiple times and you use the autobet function, it is always possible to stop it before you lose all your balance. In sports betting, there is also multi bets and there is an option to cash out early but the profits that you will be getting is much lesser.
Risk could really be depending on how someone would be making trades because it would be completely be the same as gambling when you dont know on what you are doing which we know that it would really be normal.
Trading is a career and an investment which is totally opposing with gambling which is created for the sole purpose of entertainment and there's no way that you could really make yourself to make a career on this one
and make yourself sustainable.There might be some who do able to do so but its not ideal on forcing yourself on doing so because risk is high but well its your choice.