Does crypto make your portfolio less risky? Only if you do it right, experts say

Get the Finance newsletter
Daily finance — markets, central banks, M&A, the prints that move money. Free.
- Urban Institute survey of 3,194 U.S. adults in January found 45% of crypto investors cite diversification as their primary motivation — the top reason, ahead of 27% who believe crypto is the future and 11% who expect higher returns
- Bitcoin has shown a 0.2 correlation with the S&P 500 over the past decade, higher than bonds at 0.02 but still "very low," per Wells Fargo Investment Institute's Veronica Willis
- Morningstar's Amy Arnott reported bitcoin's correlation with U.S. stocks rose to 0.55 over the trailing three-year period ending April 2025, up from near zero in earlier windows
- Douglas Boneparth, president of Bone Fide Wealth, warns that bitcoin allocations above 5% cause volatility to dominate portfolio risk, at which point it "stops functioning as a diversifier and starts functioning as the primary bet"
- Wells Fargo Investment Institute recommends a roughly 2% to 3% crypto allocation, primarily for growth-oriented investors rather than conservative income seekers
- During acute market stress, crypto correlations with equities spike because "investors sell whatever is liquid," making the diversification benefit "real but not unconditional," Boneparth said
Why it matters: The 1–3% allocation guidance from Wells Fargo and Boneparth's 5% ceiling give investors a concrete framework: crypto can lower portfolio risk, but only as a small sleeve. Going above 5% flips the math — bitcoin's volatility starts driving the portfolio rather than dampening it, and during sell-offs the correlation with stocks spikes, undermining the very diversification investors bought it for.


