Every fluctuation point of 1:400 or 1: 100 and 1:200 is the same profit and loss. It is what people call leverage effect, but the cost is different. For example, 1: 100 means 1000, that is, 1:200 means 500 dollars, that is, 1:400 means 250 dollars means one.
Some people like the higher leverage ratio of 1:400 or even 1:500, while others don't.
Others prefer the leverage ratio of 1: 100 or 1:200, which is related to the cost.
For example, if you have a lever of1wusd1:100, you can buy10 lot at most (note: I said it is impossible to trade like this, for example), but if you use/.