Unexpectedly Intriguing!
25 January 2023

In 1982, the total market capitalization of the S&P 500 (Index: SPX) exceeded $1 trillion for the first time. In 2022, the index closed the year with a total market cap of $32.12 trillion.

The following chart tracks the four decades of the S&P 500's market cap history that constitutes its trillion dollar valuation years:

S&P 500 Year-End Market Capitalization, 31 December 1982 through 31 December 2022 (Linear Scale)

In 2019, some thirty-seven years after the value of the entire index first grew larger than $1 trillion, two of its component companies saw their market caps grow to exceed that level: Apple (NASDAQ: APPL) and Microsoft (NASDAQ: MSFT). Though the end of the 2022 calendar year, they're the only two companies of the index to sustain market capitalizations in excess of $1 trillion.

At the end of 2021, Apple's valuation was $2.9 trillion while Microsoft's market cap was $2.5 trillion, with the two companies combining for a $5.4 trillion valuation. At the end of 2022, Apple's market cap had faded to just under $2.1 trillion, while Microsoft's shrank below the $1.8 trillion mark. In between 2019 and 2022, Amazon (NASDAQ: AMZN) and Tesla (NASDAQ: TSLA) were brief members of the trillion dollar market cap club.

Since the first chart spans more than one order of magnitude, here's another chart presenting the same data using a logarithmic scale:

S&P 500 Year-End Market Capitalization, 31 December 1982 through 31 December 2022 (Logarithmic Scale)


Silverblatt, Howard. S&P 500 Index Earnings. Standard and Poor. [Excel spreadsheet]. 31 December 2022. Accessed 21 January 2023.

Silverblatt, Howard. S&P 500 Top 10 Annual Issues by Market Value. Standard and Poor. [Excel spreadsheet]. 31 December 2022. Accessed 21 January 2023.

Labels: ,

About Political Calculations

Welcome to the blogosphere's toolchest! Here, unlike other blogs dedicated to analyzing current events, we create easy-to-use, simple tools to do the math related to them so you can get in on the action too! If you would like to learn more about these tools, or if you would like to contribute ideas to develop for this blog, please e-mail us at:

ironman at politicalcalculations

Thanks in advance!

Recent Posts

Indices, Futures, and Bonds

Closing values for previous trading day.

Most Popular Posts
Quick Index

Site Data

This site is primarily powered by:

This page is powered by Blogger. Isn't yours?

CSS Validation

Valid CSS!

RSS Site Feed

AddThis Feed Button


The tools on this site are built using JavaScript. If you would like to learn more, one of the best free resources on the web is available at W3Schools.com.

Other Cool Resources

Blog Roll

Market Links

Useful Election Data
Charities We Support
Shopping Guides
Recommended Reading
Recently Shopped

Seeking Alpha Certified

Legal Disclaimer

Materials on this website are published by Political Calculations to provide visitors with free information and insights regarding the incentives created by the laws and policies described. However, this website is not designed for the purpose of providing legal, medical or financial advice to individuals. Visitors should not rely upon information on this website as a substitute for personal legal, medical or financial advice. While we make every effort to provide accurate website information, laws can change and inaccuracies happen despite our best efforts. If you have an individual problem, you should seek advice from a licensed professional in your state, i.e., by a competent authority with specialized knowledge who can apply it to the particular circumstances of your case.