Both trading and gambling involve a lot of risk. Gambling depends entirely on luck and fortune. If the forehead is good then you can achieve good things in gambling.Again in trading platform also if you can trade with risk and if luck is good you can also profit there. If there is good fortune in the trading platform, you can also profit from it.But the key difference is that you have to take risks on both platforms.
This is their main difference
1. Trading = Investment
2. Gambling = Entertainment
Trading or any investment could turn out to be a gamble if you do lack knowledge or skills on it.