George Gatch, CEO of Asset Management, opens J.P. Morgan Asset Management's 2027 Long-Term Capital Market Assumptions1 by conceding "There’s less clarity about the future than ever before," then promises "resilient markets with a wider range of outcomes." The 31st edition, built by 90-plus professionals across 200-plus assets, states its thesis plainly: "Despite the tail risks, a resilient economy drives resilient markets."
Can Anyone Start From Here?
The authors recall a traveler told, "Well, I wouldn’t start from here." Demographics, deficits and fragmentation define the starting point, yet "they do not derail long-term growth or asset returns." Three forces carry the forecast. Economic nationalism "boosts domestic investment but risks a crosscurrent of inflation volatility." Capital rewiring steers savings toward home markets. And "Technology adoption is the fair wind filling the global economy’s sails." The sum is G7 nominal growth of 4.2%, the best in 15 years, and U.S. real growth of 2.1%, up from 1.8%, a leap JPM calls "one driven almost entirely by AI."
How Much Is AI Worth?
JPM rebuilds its AI methodology. The base case adds roughly 40bps to U.S. total factor productivity growth, to 1.2%, and about 30bps to capital stock growth. Adoption is early: "only 6% of U.S. work hours are AI-assisted today," with 40% of tasks reached by 2040. The bear case, a quarter of tasks, gets equal billing. The authors say, "We don’t think markets fully appreciate the economy-wide potential of AI," yet concede "capex cycles often take a volatile final turn."
Who Gets Upgraded?
U.S. large cap rises 80bps to 7.5% on margins above 15% and a return on invested capital near 17%, against the low teens in Europe and Japan. For the first time in the publication's history, emerging market equities sit below developed markets, because "Korea and Taiwan account for 51% of the emerging market (EM) index" and chipmaker margins run extreme. Bonds shift too: "Global bond return forecasts are the highest in two decades," with the global aggregate at 5.3%, from 2.1% in 2021. Bitcoin earns its first forecast range, a 10.0% base case, yet stays outside the core matrices. JPM writes, "We see bitcoin as a speculative asset and a hedge against monetary easing."
Where Do the Chapters Disagree?
To be clear, the report speaks with two voices on duration. The public markets chapter says "duration will be a less reliable portfolio hedge," while the portfolio chapter says "duration continues to play an important role in portfolios." The reconciliation is shock type. Supply shocks call for real assets, gold and inflation-linked bonds; demand shocks still call for duration. With a stock-bond correlation of 0.34, "investors cannot rely solely on duration for portfolio diversification." Global inflation holds at 2.6%, yet JPM expects "inflation shocks to occur nearly twice as often as they would have historically."
What Does the Portfolio Do?
A global 60/40 rises to 7.0% from 6.4%. Adding 30% alternatives lifts it to 7.5% with a Sharpe ratio 21% higher. Private equity, venture capital and direct lending add 80bps; hedge funds, gold, infrastructure and transport lift the Sharpe ratio 22% at steady returns. Diversified hedge funds gain 140bps, to 6.7%: "Hedge funds are winners from this new world." Transportation returns 8.1%, global core real estate 7.9% and infrastructure 7.1%. Large cap private equity slips 60bps to 9.6%, and dispersion widens, so "investors’ allocations may need to focus on actual outcomes, not asset class labels."
What Could Break It?
The greatest risk, JPM argues, is "a miscalculation of the balance between the upper and lower legs of the K." The K-shaped economy is "surprisingly durable, but sensitive to stress or shock." Capital controls, misallocated capex and a disappointing AI payoff also threaten. The discipline for hot headlines is simple: "Has anything changed other than the price?"
Five Key Takeaways
- Lean into productivity, diversify around it. Optimized portfolios tilt toward the tech adoption theme; developed ex-U.S. equities, core real estate and gold offset it.
- Own bonds for income, not as the only hedge.
- Assign alternatives a job. Enhancers lift returns, diversifiers lift Sharpe ratios, and manager selection decides both.
- Hedge inflation volatility explicitly. Gold, real assets and inflation-linked bonds address supply shocks.
- Stay skeptical on EM and bitcoin. Stretched Korean and Taiwanese margins and unstable correlations limit both.
Footnote:
1 J.P. Morgan Asset Management. 2027 Long-Term Capital Market Assumptions: Time-Tested Projections to Build Stronger Portfolios. 31st annual ed., J.P. Morgan Asset Management, Oct. 2026, https://am.jpmorgan.com/content/dam/jpm-am-aem/global/en/insights/portfolio-insights/ltcma/noindex/ltcma-2027-report.pdf. Accessed 11 Nov. 2026.
