the range of foreign exchange trading prosperity index is -2. 1 is the critical value of the prosperity index, indicating that the prosperity situation has not changed much; 1-2 is the boom interval, indicating that the economic situation tends to rise or improve, and the closer it is to 2, the more prosperous it is; -1 is a depression range, indicating that the economic situation tends to decline or deteriorate, and the closer it is to , the more depressed it is.
Prosperityindex, also known as prosperity, is an indicator that comprehensively reflects the state or development trend of a specific investigation group or a social phenomenon by processing and summarizing the qualitative indicators in the enterprise prosperity survey through quantitative methods.