60/40 Classic
The 60/40 portfolio is the most widely referenced balanced allocation in finance: 60% equities, 40% bonds. This page shows its forward-looking expected return, risk, and Sharpe ratio using J.P. Morgan 2026 capital market assumptions.
Forward-looking estimates over a long horizon, not a measurement of any past period. Built from J.P. Morgan’s 2026 Long-Term Capital Market Assumptions, annualized and compounded, with a 3.10% risk-free rate. The figures are in US dollars. J.P. Morgan publishes the same assumptions in 5 base currencies and the numbers differ between them, since the expected move in the currency is part of the forecast. This page is built once, on the dollar edition; the full app runs on whichever one you choose.
Allocation
What if you add Bitcoin?
These are forward-looking estimates rather than a backtest. Nothing below is what Bitcoin did; it is what the portfolio would return if every asset delivered its expected return from here. Each row funds Bitcoin by reducing the other positions proportionally.
The assumption doing the work is Bitcoin at 15.00% a year with 42.5% volatility. That is far below its history and deliberately so: a forward estimate for an asset this young is a judgment, not an extrapolation. It also explains why the returns below move less than people expect. A 10% position in a 15% asset can only add about a point a year to a portfolio, because it is 10% of the portfolio. What changes more than the return is the Sharpe ratio, which is the column worth reading.
| Portfolio | Return | Volatility | Sharpe |
|---|---|---|---|
| Base (60/40 Classic) | 6.39% | 10.76% | 0.36 |
| With 5% Bitcoin | 7.10% | 11.10% | 0.41 |
| With 10% Bitcoin | 7.78% | 11.79% | 0.45 |
Returns are geometric (compound), forward-looking and in US dollars, built from J.P. Morgan’s 2026 Long-Term Capital Market Assumptions with Bitcoin at 15.00% (our own estimate). Sharpe ratio uses a 3.10% risk-free rate. No time period is involved: these are expectations for a long horizon rather than a measurement of any past window. For what this portfolio actually did, month by month, see the historical record back to 1970.
Where the 60/40 portfolio comes from
The 60/40 portfolio holds 60% stocks and 40% bonds. It became the default balanced allocation for one reason: the two halves tend to do well at different times. Equities drive long-term growth; high-quality bonds provide income and, historically, cushion equity sell-offs. For decades it was the benchmark against which pension funds, advisors, and target-date funds measured themselves.
Its appeal was never maximum return. It was a defensible middle: enough equity to compound wealth, and enough bonds to let an investor hold through a recession without selling at the bottom. The version analyzed here uses 60% global equities, 30% US aggregate bonds, and 10% cash, a slightly more conservative cut that reflects today's higher cash yields.
Why the forward-looking return is 6.4%, not 8%
A 60/40 has historically returned roughly 8% a year. J.P. Morgan's 2026 assumptions put the forward-looking figure closer to 6.4%. The gap is arithmetic.
Two forces drive it. Equity valuations are elevated, and starting from a high price-to-earnings multiple statistically implies lower future returns, because part of tomorrow's gains has already been priced in. Bond returns, meanwhile, are anchored to starting yields. Those yields are healthier than the 2020 lows and still well below the levels that powered the 1982-2021 bond bull market.
This is why the numbers above are forward-looking rather than historical. Planning a 30-year retirement on an 8% assumption when the forward estimate is 6.4% is the most common way DIY investors overestimate what their portfolio can safely sustain.
The 2022 problem: when stocks and bonds fall together
The 60/40's premise rests on one assumption: that stocks and bonds move in opposite directions when it matters. Through most of the 2000s and 2010s they did, with bonds rallying in every equity sell-off. 2022 broke the pattern. Inflation forced central banks to raise rates sharply, stocks and bonds fell together, and the 60/40 had its worst calendar year in decades.
The takeaway isn't that the strategy is broken. It's that the stock-bond correlation is a regime, not a law. In a low-inflation world, bonds diversify equities; in an inflation shock, they can move in lockstep. That single risk is the strongest case for a third, genuinely uncorrelated sleeve: gold, commodities, or a small Bitcoin position. The variant table above begins to explore what one does.
Who the 60/40 portfolio is for
The 60/40 suits an investor who wants one low-maintenance allocation with a moderate risk profile: enough growth to stay ahead of inflation, enough stability to avoid panic-selling. It's a sensible default for someone 10-20 years from retirement, or anyone who prefers simplicity over chasing the last percentage point of return.
It fits less well at the extremes. A 25-year-old with a 40-year horizon is arguably leaving growth on the table with 40% in bonds, while a retiree drawing income may want the explicit inflation protection that the classic 60/40 lacks. TIPS and real assets are the usual answer. And as 2022 showed, anyone leaning on it should understand that the bond ballast is conditional, not guaranteed.
How these numbers are calculated
Expected returns and volatilities come from J.P. Morgan's 2026 Long-Term Capital Market Assumptions (30th edition), in US dollars. Portfolio risk is computed using the full 57×57 correlation matrix, measured from the assets' own monthly returns, not simple weighted averages. The Sharpe ratio uses 3.10% (US Cash) as the risk-free rate.
For full methodology details, see the methodology page.
Customize this portfolio
Adjust weights, add constraints, try different optimization methods.
Frequently asked questions
What is the expected return of a 60/40 portfolio in 2026?
Using J.P. Morgan 2026 forward-looking capital market assumptions, a 60/40 portfolio (60% global equities, 40% US aggregate bonds) has an expected geometric return of approximately 6.4% with a volatility of around 11%. These are forward-looking estimates, not predictions.
Is the 60/40 portfolio dead?
No, but its expected returns are lower than the historical average due to elevated equity valuations and moderate bond yields. J.P. Morgan's 2026 assumptions suggest approximately 6.4% geometric return versus the historical 7-8%. The portfolio still provides diversification, but investors may need to consider additional asset classes.
Should I add Bitcoin to a 60/40 portfolio?
Adding Bitcoin raises this portfolio's Sharpe ratio using J.P. Morgan traditional-asset assumptions and Portfolio Lab's Bitcoin estimate: 0.36 with none, 0.41 at the 5% variant above and 0.45 at 10%. Swept half a point at a time it keeps improving to 28% Bitcoin, where it peaks at 0.49. That peak is an unconstrained mean-variance optimum rather than a recommendation: reaching it means carrying 16.2% volatility against 10.8% with no Bitcoin, which is a different portfolio from the one most people mean by a 60/40.