What is Standard & Poor's? What is the formula for calculating the S&P 500 index? Standard & Poor's is an authoritative financial analysis institution in the world. Established in 1860. Standard & Poor's was formed by the merger of Standard Statistics Company and Poole Publishing Company in 194 1 year. Standard & Poor's provides investors with services such as credit rating, independent analysis and research, investment consulting, etc. 5438+0975. The SEC of the US Securities and Exchange Commission recognized Standard & Poor's as a nationally recognized evaluation agency or NRSRO 20118. In April, Standard & Poor's downgraded the outlook of the long-term sovereign credit rating of the United States from stable to negative, and kept the sovereign credit rating unchanged.

As a recognized standard in the field of financial investment, Standard & Poor's provides widely recognized services such as credit rating, independent analysis and research, and investment consulting. Among the diversified financial services provided by Standard & Poor's, S&P 1200 Index and Standard & Poor's 500 Index have become the standards of global stock market performance and US portfolio index respectively. At the same time, the company rated more than 220,000 securities and funds around the world. At present, Standard & Poor's has become a world-class information brand and an authoritative international analysis institution. nbsp

The formula for calculating the S&P 500 index is as follows:

Standard & Poor's 500 Index = ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~