Jeremy Grantham Calls Bitcoin Worthless And Says It Will Dwindle Away
27 Jun 2026 · 04:45 UTC · Crypto Adventure RSS Feed · Original source
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Summary
Jeremy Grantham, co-founder of investment firm GMO, appeared on CNBC to reiterate his long-standing criticism of Bitcoin. He characterized the cryptocurrency as useless and speculative, arguing it has failed to establish itself as a legitimate store of value. Grantham predicted Bitcoin will gradually decline over years or decades rather than suffer a sudden collapse. He maintained his view that Bitcoin fundamentally lacks intrinsic value and will continue to lose relevance as a serious asset class over time.
Why it matters
The credibility of Grantham's statement is compromised by both the weak source credibility and the opinion-based nature of the content. While Grantham brings authority as a macro investor, his Bitcoin skepticism has been consistent for years and is largely incorporated into market pricing. Opinion pieces move markets through sentiment accumulation rather than immediate repricing—retail traders may sell on negative commentary, but institutional actors have likely already discounted his views. The impact probability declines sharply across longer timeframes, reflecting how opinion pieces fade from focus as other narratives dominate. Bitcoin faces the primary directional pressure, while altcoins show minimal sensitivity since Bitcoin viability is tangential to their technology and adoption metrics. Key uncertainties include whether this sparks broader institutional questioning of Bitcoin's store-of-value thesis, or remains a contrarian outlier. The timeframe hierarchy reflects opinion pieces' gradual influence: minimal immediate market impact, slight accumulation over hours and daily, then dissipation over weeks and months as attention shifts.
Expected impact
Jeremy Grantham's renewed criticism of Bitcoin is unlikely to produce substantial near-term market impact. Grantham is a well-known Bitcoin skeptic, and his fundamental critique that Bitcoin lacks intrinsic value is already priced into market expectations among sophisticated investors. The low credibility of the source amplifying his views (Crypto Adventure, 0.35) further limits propagation compared to major financial media. However, as a respected macro investor with a strong track record, his commentary may reinforce negative sentiment among institutional allocators and wealth managers evaluating Bitcoin allocation. Any market impact would manifest as gradual downward pressure over days to weeks rather than sharp repricing. Altcoins would see minimal direct impact, as Bitcoin's long-term viability is secondary to project-specific fundamentals. The extent of price pressure depends heavily on concurrent macro conditions: if risk assets are weakening or regulatory concerns are rising, Grantham's bearish narrative could amplify selling. If broader market sentiment is constructive, his commentary may be absorbed without material price discovery.