Saturday, June 27, 2026

Jeremy Grantham: US Market is Most Expensive Ever

Veteran investor Jeremy Grantham has claimed that the recent surge in artificial intelligence has made the U.S. stock market the most expensive in its history. He stated this during an interview on CNBC’s “Squawk Box.” Grantham suggests that, when comparing the stock market value to the gross domestic product (GDP), the current market is unprecedentedly costly.

He referred to the Buffett indicator, conceived by investor Warren Buffett, which compares the stock market’s total value to the economy’s size. According to calculations, the market’s capitalisation relative to GDP stands at an astonishing 235%, meaning the stock market’s value is more than double that of the U.S. economy.

Grantham mentioned that while it’s hard to predict market timing, a peak could be nearing. He has a reputation for predicting downturns and has issued similar warnings in the past, including one earlier this year. He stated that the long-term outlook for U.S. stocks now appears bleak.

Additionally, he discussed SpaceX, which experienced a strong initial public offering (IPO). Although its share price soared initially, Grantham warned that it could face a significant decline, similar to what happened to Amazon after the dot-com bubble burst. He believes that SpaceX’s estimated $2 trillion valuation reflects excessive market enthusiasm.

Grantham concluded that this IPO might represent a critical moment in market history, indicating a potential turning point in investor sentiment.

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Vocabulary List:
6 words · tap to reveal
ON

Accent

surge/sɝdʒ/noun
a large, sudden increase or rise

capitalisation/ˌkæpɪtəˈleɪʃən/noun
total market value of a company or market

GDP/ˌdʒiː.diːˈpiː/noun
total value of all goods and services

valuation/ˌvæljəˈreɪʃən/noun
estimated worth or price of something

IPO/ˌaɪ.piːˈoʊ/noun
when a company first sells shares publicly

bleak/blik/adjective
not hopeful; unlikely to improve soon

How much do you know?

What has Jeremy Grantham claimed about the recent surge in artificial intelligence?
It has made the U.S. economy stronger
It has made the U.S. stock market the most expensive in its history
It has no effect on the stock market
It has diminished market value
What indicator did Grantham refer to when discussing stock market value?
The PE Ratio
The Price to Earnings Ratio
The Buffett Indicator
The Dow Jones Index
According to Grantham, what does the market's capitalization relative to GDP stand at?
150%
200%
235%
300%
Which company did Grantham discuss in relation to an initial public offering?
Amazon
SpaceX
Tesla
Microsoft
What does Grantham predict about the long-term outlook for U.S. stocks?
It appears promising
It appears steady
It appears bleak
It is uncertain
What did Grantham compare SpaceX's potential decline to?
Netflix after its IPO
Google after its IPO
Amazon after the dot-com bubble burst
Apple after its IPO
Jeremy Grantham believes that the U.S. stock market is undervalued.
The stock market's value is currently less than the U.S. economy's size according to Grantham.
Grantham has a history of predicting market downturns.
SpaceX's initial public offering was unsuccessful according to Grantham.
Grantham mentioned that market timing is easy to predict.
Grantham suggests that investor sentiment could be changing.
Grantham stated that the stock market's capitalisation relative to GDP stands at an astonishing percent.
Jeremy Grantham discussed SpaceX's valuation, estimating it at trillion.
Grantham warned that SpaceX could face a significant in its share price.
He referred to the indicator which compares stock market value to the economy's size.
Grantham claimed that the current market is unprecedentedly expensive.
According to Grantham, the long-term outlook for U.S. stocks now appears .
This question is required

Test Your Understanding

Start Quiz
Vocabulary List:
6 words · tap to reveal
ON
Accent
surge/sɝdʒ/noun
a large, sudden increase or rise
capitalisation/ˌkæpɪtəˈleɪʃən/noun
total market value of a company or market
GDP/ˌdʒiː.diːˈpiː/noun
total value of all goods and services
valuation/ˌvæljəˈreɪʃən/noun
estimated worth or price of something
IPO/ˌaɪ.piːˈoʊ/noun
when a company first sells shares publicly
bleak/blik/adjective
not hopeful; unlikely to improve soon

How much do you know?

What has Jeremy Grantham claimed about the recent surge in artificial intelligence?
It has made the U.S. economy stronger
It has made the U.S. stock market the most expensive in its history
It has no effect on the stock market
It has diminished market value
What indicator did Grantham refer to when discussing stock market value?
The PE Ratio
The Price to Earnings Ratio
The Buffett Indicator
The Dow Jones Index
According to Grantham, what does the market's capitalization relative to GDP stand at?
150%
200%
235%
300%
Which company did Grantham discuss in relation to an initial public offering?
Amazon
SpaceX
Tesla
Microsoft
What does Grantham predict about the long-term outlook for U.S. stocks?
It appears promising
It appears steady
It appears bleak
It is uncertain
What did Grantham compare SpaceX's potential decline to?
Netflix after its IPO
Google after its IPO
Amazon after the dot-com bubble burst
Apple after its IPO
Jeremy Grantham believes that the U.S. stock market is undervalued.
The stock market's value is currently less than the U.S. economy's size according to Grantham.
Grantham has a history of predicting market downturns.
SpaceX's initial public offering was unsuccessful according to Grantham.
Grantham mentioned that market timing is easy to predict.
Grantham suggests that investor sentiment could be changing.
Grantham stated that the stock market's capitalisation relative to GDP stands at an astonishing percent.
Jeremy Grantham discussed SpaceX's valuation, estimating it at trillion.
Grantham warned that SpaceX could face a significant in its share price.
He referred to the indicator which compares stock market value to the economy's size.
Grantham claimed that the current market is unprecedentedly expensive.
According to Grantham, the long-term outlook for U.S. stocks now appears .
This question is required

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