1.PE is between 0 and 50% of the value in recent ten years.
2.PB is between 0 and 20% of the value in recent ten years.
It is considered that the CSI 300 or CSI 500 is in an undervalued state and can enter the investment at this time. There are three situations:
1. PE and PB of CSI 300 meet the conditions at the same time, but CSI 500 does not;
2. PE and PB of CSI 500 meet the conditions at the same time, while CSI 300 does not;
3. PE and PB of CSI 300 and CSI 500 both meet the requirements.
Tips: Seeing friends here, the first day is this part of the exercise, and then after reading it, you can start to see if you will lose money when you step into the stock market. I was busy tidying up in those days and finished it in three days.