One-handed standard hand = 100000 USD, and pressing lever 500 is equivalent to depositing 200 USD. 0.5 lot 100 USD, totally impossible. However, if it is a miniature hand (10000 USD), pressing lever 500 will require a deposit of 20, and 0.5 hand is 10 USD, which is totally fine. After 10 deposit, you still have $90. For every fluctuation of $5, the fluctuation is 90/5= 18, and then you can bear it.

I suggest you read more books and get to know more. This risk is very high. In addition, the picture is a recommended website (prompt can't be published, so we have to map it):

Basic knowledge book recommendation: [Advanced foreign exchange trading-the road to success from novice to expert]. Wei Qiangbin. Scan version. Extension of portable document format file (abbreviation of portable document format)

The latest PDF version of the foreign exchange trading bible. Extension of portable document format file (abbreviation of portable document format)