Rising interest rates and a swelling federal debt load are forcing money managers to question a model that has anchored retail investing for decades. In a recent conversation, David Miller, Chief Investment Officer at Catalyst Funds, and Chad Morganlander, Senior Portfolio Manager at Washington Crossing Advisors, offered sharply different takes on whether the classic 60/40 split between stocks and bonds still holds up when both asset classes fall at once.
The Core Problem: Correlation Going to One
The traditional 60/40 portfolio assumes that bonds cushion losses when stocks decline. That relationship depends on interest rates behaving in a fairly predictable way. Miller argued that the formula "doesn't work very well" when rates are climbing rather than falling, because in stress periods - 2008, the early 2000s, or 2022 - stocks and bonds have both sold off together. Traders call this "correlation going to one": the moment diversification stops protecting a portfolio because everything moves in the same direction simultaneously.
Morganlander pushed back on abandoning the model outright. His view: a 60/40 mix can still work if the equity side favors high-quality, lower-volatility names and the bond side is actively laddered rather than locked into long-duration debt. Laddering means buying bonds with staggered maturities and reinvesting proceeds as each one matures, which reduces exposure to a single rate environment and allows a portfolio to "surf the curve" as rates reset higher.
Age, Risk Tolerance, and the Limits of One-Size-Fits-All Advice
Both managers agreed that 60/40 was never meant to be universal. For investors decades from retirement, a heavier equity allocation, sector-specific exchange-traded funds, and alternative strategies may offer more upside without the drag of a large fixed-income position. For those near or in retirement, Morganlander's argument centers on simplicity and sleep-at-night durability: an inflation-sensitive equity sleeve paired with a bond ladder that generates predictable, rolling income.
The disagreement is less about whether 60/40 is "right" and more about which investor it serves. A 30-year-old with decades to recover from a drawdown has a very different risk profile than a 65-year-old drawing down savings, and both managers cautioned against applying the same formula across that entire range.
Alternatives, Managed Futures, and the Case for Defensive Strategies
Miller's firm runs a managed-futures strategy designed to perform specifically when stocks and bonds decline together - a scenario where real estate and private equity, often lumped into "alternatives," tend to struggle despite smoother reported valuations. Managed futures and trend-following strategies attempt to profit by following the direction of a market move rather than betting on a recovery, which is why they historically have shown gains in sharp downturns.
Morganlander's counterpoint is about complexity and investor behavior. Retail investors who try to optimize returns by layering in intricate alternative products, he warned, often introduce more risk and stress than they remove. Both managers converged on one practical point: core holdings should be understood by the investor holding them, with any satellite or alternative allocation sized to risk tolerance rather than chasing performance.
Rates, Deficits, and the Macro Backdrop
The debate unfolds against a backdrop of a national debt load measured in the tens of trillions of dollars and a federal deficit that both managers see as structurally difficult to shrink without faster economic growth outpacing inflation. Morganlander pointed to tight credit spreads - the gap between yields on corporate and government debt - as a sign of speculative complacency in markets that could unwind quickly if conditions shift. Both noted that global fiscal stimulus, geopolitical risk affecting oil prices, and uncertainty around Federal Reserve leadership are all pushing bond yields higher, a trend reflected in short-term Treasury rates.
Neither manager framed any strategy as a guaranteed solution. The exchange underscores a broader shift in how financial professionals are talking to savers: less about one fixed formula, more about matching tools - equities, laddered bonds, or defensive alternative strategies - to an individual's time horizon, risk appetite, and need for stability as rates and debt levels reshape the investing landscape.