This question has been asked many times, but then I understand coz you are a beginner.
You should also search for similar threads like this if you really wanna know.
I had set some rules before trading so I know how much I can loose it or have capacity. Also I have a stop loss always set so that even it triggers it is a limited loss . In trading , one always can’t make money and you will incur losses as well and should be ready for it .
Knowing your trading limit is enough to contain the risk in trading, it will help you to stop the losses or having enough profit. We all trader have lost somehow coz the market is blinding with high volatility, thus that will help you understand how the market really works, uncertain but you can work your instinct most of the time. Aside there are many trading strategy to cope up with your loss easily like martingale system, you can search what this trading style OP
