For decades, investors could rely on a familiar pattern. When oil prices surged, liquidity followed. Petrodollars flowed back into global markets, softening the blow and helping risk assets find their footing.
That relationship has changed.
Today, energy shocks are no longer accompanied by a liquidity cushion. Instead, they are increasingly associated with tighter financial conditions, amplifying pressure rather than offsetting it.
For portfolios, this is more than a macro shift. It changes how risk behaves and where resilience can be found. What was once a stabilising force in periods of stress now acts as a source of constraint, tightening dollar liquidity and increasing the dispersion of outcomes across regions and asset classes.
The implications are clearest in how shocks are transmitted. Energy-importing economies such as Europe, Japan and much of emerging Asia must secure additional dollars to pay for higher import costs, often at a time when dollar supply is not expanding. This creates a dual pressure: weaker terms of trade and tighter funding conditions. By contrast, energy exporters can benefit from improved external balances, reinforcing divergence across markets.
This shift reflects a deeper change in global liquidity. In previous cycles, oil-exporting nations generated large surplusesthat were reinvested into global financial assets. Today, those flows are smaller and less predictable. Offshore dollar liquidity depends more on bank balance sheets, which tend to contract during periods of uncertainty. As a result, energy shocks now behave more like funding squeezes than liquidity injections.
For investors, this reinforces the need to be more selective. Broad market exposure may offer less protection in an environment where liquidity is constrained and unevenly distributed. Instead, outcomes are increasingly shaped by country-specific fundamentals, including external balances, foreign exchange reserves and policy credibility.
At the company level, the same principle applies. Businesses with strong balance sheets, durable cash flows and the ability to fund themselves through periods of tighter conditions are better positioned to navigate volatility. In contrast, more leveraged or capital-dependent companies may be more exposed as financial conditions tighten.
This environment also strengthens the case for diversification beyond the U.S. Many international markets are trading at lower valuations, with a greater share of macro risk already reflected in prices. At the same time, dispersion across regions and sectors is creating opportunities to identify mispriced assets where fundamentals remain intact.
Active, bottom-up investing becomes more important in this context. Periods of stress often widen the gap between price and intrinsic value, creating opportunities to allocate capital to resilient businesses that can not only withstand volatility but emerge stronger from it.
Energy shocks may no longer provide a cushion, but they do create a more differentiated investment landscape. For portfolios built with selectivity and discipline, that differentiation can be a source of opportunity.
Opinion article by Matt Burdett, Portfolio Manager at Thornburg
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