ClaimsJeremy Grantham

“Most bubbles, like internet stocks and Japanese land, go through an exponential phase before breaking, usually short in time but dramatic in extent.”

Jeremy Grantham, GMO letter author April 2007 The First Truly Global Bubble (It's Everywhere, In Everything) (GMO)

Factual Economics and markets

Most bubbles, such as internet stocks and Japanese land, go through an exponential phase before breaking, usually short in time but dramatic in extent.

Not researched Checkable, but outside the sample that was researched.

Factual: Statements about the present or the past, checked against the record: did they hold up?

Said for an organisation they lead or work for; it counts on both records.

Cite this claim

Jeremy Grantham, “Most bubbles, such as internet stocks and Japanese land, go through an exponential phase before breaking, usually short in time but dramatic in extent.” (said April 2007). Verdict: not researched. Reliability API, claim c_bb60f86d7bba, method 0.1.0+28da144b, dataset release v1.1.2. https://epistacklabs.com/claims/c_bb60f86d7bba

This claim is in dataset release v1.1.2, with the same verdict.

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More factual claims by Jeremy Grantham

  1. Mostly false Factual 28 July 2025
    “the lowest rates in the history of man,”

    Bonds currently offer the lowest interest rates in human history.

  2. Mostly true Factual 28 July 2025
    “31 years later, the land is not back, and stocks are not back.”

    Thirty-one years after Japan's 1989 bubbles, Japanese land prices and stocks had not returned to their 1989 levels.

  3. Mostly true Factual 28 July 2025
    “one of the two or three lowest relative points in history”

    Emerging markets and value stocks trade at one of the two or three lowest relative valuation points in history compared to the U.S.

  4. Mostly true Factual 5 July 2023
    “Now we have, since ChatGPT and October and November last year, we have a new little flurry of interest that is very concentrated.”

    Since ChatGPT and October-November 2022, there has been a new little flurry of market interest in AI that is very concentrated.

  5. Mixed Factual January 2023
    “in 1974 the market did turn up, after a horrific 62% real decline in two years, exactly”

    In 1974 the US market turned up, after a 62% real decline over two years, exactly as the first Fed rate cut took place.

All of them

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