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While Warren Buffett has long championed investing in the S&P 500, recent analysis shows that Bitcoin has far outperformed the stock index since 2020. Phil Rosen, co-founder of Opening Bell Daily, highlighted that although the S&P 500 has gained around 106% in USD terms, it has fallen 88% in BTC terms over the same period.
This stark difference underscores the increasing appeal of Bitcoin as a high-growth, non-traditional asset, especially during periods when traditional equities experience relative underperformance against crypto.
Understanding the S&P 500
The S&P 500 is a benchmark index tracking 500 leading publicly traded companies in the United States. Since its inception in 1957, the index has delivered an average annual inflation-adjusted return of 6.68%, historically outpacing typical U.S. inflation rates.
Buffett frequently endorses the S&P 500 as the go-to investment for average investors, reportedly favoring a 90/10 strategy, where 90% of a portfolio is in the S&P 500 and 10% in short-term U.S. Treasury bonds.
The S&P 500 has continued breaking records in 2025, currently trading around $6,715.79, with a 14.43% gain year-to-date.
Bitcoin’s Explosive Growth
Bitcoin, in comparison, has had a banner year, climbing 32% so far in 2025 and reaching an all-time high of $125,000. The contrast becomes even more pronounced when looking at hypothetical investments: a $100 investment in the S&P 500 at the start of 2020 would now be worth about $209.85, while the same $100 in Bitcoin would have grown to $1,473.87.
This performance highlights Bitcoin’s high-growth potential and explains why investors increasingly consider it alongside or even above traditional stock indices.
Key Differences Between Bitcoin and the S&P 500
Experts caution that comparing Bitcoin and the S&P 500 directly is not entirely fair. The S&P 500 represents a diversified portfolio of large-cap companies, offering relatively lower risk and steady returns. Bitcoin, on the other hand, is a single digital asset with high volatility and a market cap of about $2.47 trillion, far smaller than the S&P 500’s $56.7 trillion.
Bitcoin’s value narrative is rooted in scarcity, decentralization, and deflation, appealing to investors seeking alternative growth opportunities beyond traditional markets. Its recent adoption surge reflects a shift in investor sentiment toward digital assets and alternative hedges.
Implications for Investors
The outperformance of Bitcoin over the S&P 500 in BTC terms emphasizes the growing role of cryptocurrencies in modern investment strategies. While equities like the S&P 500 remain a cornerstone of long-term, lower-risk portfolios, Bitcoin offers high-risk, high-reward opportunities, appealing to investors with a tolerance for volatility.
Financial advisors note that a balanced approach could involve combining traditional assets with a small allocation to digital assets like Bitcoin, capturing potential upside while maintaining overall portfolio stability.
A Growing Debate: BTC or Traditional Stocks
The comparison fuels a broader debate in the investment community: should modern portfolios consider digital assets as complements or alternatives to traditional equities?
While Warren Buffett’s strategy has historically favored the S&P 500 for consistent growth, Bitcoin’s dramatic rise challenges conventional wisdom, especially for investors focused on long-term value creation in a volatile economic environment.
As global adoption and institutional interest in Bitcoin continue to increase, this debate is likely to intensify, reshaping perspectives on portfolio diversification in the years to come.
