The essential problems that you must face if you want to invest.

The first 1.3

Explain that risk 1, profit 3, you are worth investing.

What's their profit margin?

p =( 1- 10%)M+( 1+30%)N

Let me explain this formula to you. P stands for income.

M and n represent the number of transactions. For example, you trade 100 times, make money 40 times and lose money 60 times. If you keep the profit margin of 1:3, then you can make money for 30 times.

You can understand this yourself slowly.

See www.ait 188.com for details.