Quick Summary
- Jeremy Grantham (GMO co-founder, $100B+ AUM) told CNBC Bitcoin will “dwindle away with a whimper” over decades
- Called Bitcoin “useless”, “speculative”, and said it “facilitates nothing except criminals moving money”
- Bitcoin is trading around $59,900 after hitting a 2026 low near $58,000 — its lowest since October 2024
- Grantham has been calling Bitcoin a bubble since it was ~$1,000, missing over 5,000% gains
- Fear & Greed Index sits at 13 (“Extreme Fear”) — levels that historically preceded massive recoveries
What Happened
Jeremy Grantham — the 87-year-old GMO co-founder, legendary value investor, and permanent Bitcoin skeptic — sat down with CNBC on June 26 and delivered his latest obituary for Bitcoin.
The quote that is making the rounds:
“Bitcoin is a useless, speculative mechanism. Over years and years, decades and decades, it will dwindle away, I suspect, not with a bang, but a whimper.”
He went further. Bitcoin is “an unnecessary piece of nonsense.” It “facilitates nothing except criminals moving money so they cannot be seen.” It is “not a store of value since it bounces around the place.” He has never owned crypto, never will, and would not recommend it to anyone.
The timing is convenient: Bitcoin just hit a 2026 low near $58,000, down from its all-time high near $126,000. The Fear & Greed Index is flashing 13, and ETF outflows hit $700 million in a single day.
To Grantham, this looks like vindication. He has been waiting for this moment since Bitcoin was in the triple digits.
Why This Matters for Bitcoin
Jeremy Grantham is genuinely smart. He called the dot-com bubble. He called the 2008 housing crisis. When he speaks, CNBC listens, and normal people who trust “old money” authority figures take notes.
But here is what Grantham’s Bitcoin track record actually looks like:
- 2013: Called Bitcoin a bubble at ~$1,000
- 2017: Called Bitcoin a bubble at ~$5,000
- 2021: Called Bitcoin a bubble at ~$60,000
- 2024: Called Bitcoin a bubble above $100,000
- 2026: Bitcoin at $58,000 — still 5,800% above where he first called it a bubble
Grantham is not wrong that Bitcoin is volatile. He is wrong that volatility means failure. Gold dropped 45% in 2013 and went nowhere for years. The S&P 500 crashed 50% in 2008. “Volatility” is not a synonym for “worthless” — it is the price you pay for asymmetric upside in an emerging asset.
Bitcoin has survived 16 years, 400+ “obituaries” (according to 99Bitcoins’ death clock), regulatory FUD from every major government, exchange hacks, bear markets of -80%, and a global pandemic that shut down the world economy. It is still here. It is still the best-performing asset of the last decade.
Gold and Bitcoin ETFs have both seen massive inflows — institutions are NOT treating this as a dying asset. They are treating this as a dip.
The Love Is Bitcoin Takeaway
The Grantham playbook is predictable: attack Bitcoin’s volatility, call it speculative, call it criminal, predict zero.
He is not wrong that Bitcoin is used by criminals. So is cash. So is gold. So is the U.S. dollar. The difference is Bitcoin’s ledger is public — every transaction is permanently visible. It is actually the worst tool for crime, which is why criminals still primarily use fiat.
He is not wrong that Bitcoin is volatile. But a fixed-supply, globally-traded, 24/7 asset is going to be volatile until it reaches full maturity. Calling Bitcoin “dead” because it dropped 50% from an all-time high is like calling Amazon dead after the dot-com crash — it ignores the adoption curve that was still accelerating underneath the price action.
The real question is not whether Bitcoin will “dwindle away.” The question is whether an 87-year-old billionaire who has never owned Bitcoin and does not understand it is a reliable source of information about its future.
You do not need a billionaire‘s permission to understand Bitcoin. You just need to learn how it actually works — then decide for yourself.
What Beginners Should Do Next
- Ignore the FUD: Billionaires have been calling Bitcoin dead for 16 years. Every single one has been wrong so far
- Separate price from protocol: Bitcoin’s price dropping does not mean Bitcoin the network is broken. The network has never been more secure
- Learn about self-custody: When you hold your own keys, billionaire predictions do not matter. Your Bitcoin is yours regardless of what CNBC says
- Stack sats through the dips: Dollar-cost averaging into weakness has historically been the winning strategy
- Understand the adoption curve: Every major technology went through boom-bust cycles before maturing. Bitcoin is no different
FAQ
Is Jeremy Grantham right about Bitcoin?
Grantham has been calling Bitcoin a bubble since ~$1,000. At $58,000, he has been wrong for over a decade and counting. Being early to a correct call is still being wrong if you time it badly.
Is Bitcoin going to zero?
Bitcoin has survived 16 years, hundreds of “death” predictions, and multiple -80% crashes. A network with millions of active users, thousands of nodes, and billions in mining infrastructure does not “dwindle away” — it either grows or reaches equilibrium. Zero is not a realistic outcome without a fundamental cryptographic breakthrough.
Should I sell my Bitcoin because a billionaire says so?
Billionaires have their own incentives. Grantham manages $100B+ in traditional assets — Bitcoin is a competitor to his entire business model. Do your own research, understand the asset, and make your own decisions.
Is Bitcoin really just for criminals?
Cash is used for crime more than Bitcoin. The U.S. dollar is used for crime more than Bitcoin. Bitcoin’s transparent ledger actually makes it a worse tool for crime than anonymous fiat cash. This is a tired argument that ignores basic data.
How is Bitcoin doing right now?
Bitcoin is trading around $59,900 after hitting a 2026 low of $58,000. The network is processing billions in value daily. Adoption continues — corporations, pension funds, and even governments are accumulating. Short-term price action is bearish; long-term fundamentals remain intact.
What does “not with a bang but a whimper” mean?
It is a literary reference to T.S. Eliot’s poem “The Hollow Men.” Grantham is arguing Bitcoin will not crash dramatically but will slowly lose relevance over decades. The irony is that Bitcoin has survived 16 years of exactly this kind of dismissal.
Is this financial advice?
No. This article is for education and information purposes only. Cryptocurrency is volatile and carries risk. Always do your own research before making investment decisions.
Final Thoughts
Jeremy Grantham is entitled to his opinion. He has been a successful investor for decades, and he has been wrong about Bitcoin for just as long.
The thing about “dwindling away with a whimper” is that you have to actually be dwindling. Bitcoin’s active addresses, hashrate, and node count are all near all-time highs. The network has never been more secure or more used.
Maybe Bitcoin will eventually plateau. Maybe it will be superseded by something better. But the “slow death” narrative requires evidence of decline — and the evidence points in the opposite direction.
If all you have ever done is predict Bitcoin’s death while it keeps surviving, at some point the prediction becomes noise.
Do not let billionaire noise distract you from actually understanding the asset. Start with education. The market will do what it does. What you control is whether you learn or stay confused.
This article is for education only and is not financial advice.
Billionaire Says Bitcoin Will 'Dwindle Away With a Whimper' — He Has Been Wrong For a Decade
