Recurrent Research

Monthly Commentary

Current thinking from the Recurrent investment team on natural resources, midstream energy infrastructure, capital cycles, inflation and commodity markets. Start with a topic, or browse the complete historical archive by year.

Featured monthlies · September 2026

When Bonds Stop Diversifying

A century of evidence on when bonds protect portfolios, when they fail, and where natural resources fit.

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Stock-bond correlation
High-inflation observations · CPI ≥2.5%

−0.951998–2020
+0.812021–2026 YTD

The relationship investors learned to rely on has reversed in this sample.
Source: Recurrent research. 2026 is a partial year.

Explore by topic

Ideas we keep coming back to.

Markets change. The questions that matter tend to recur. Each topic pairs our strongest web-formatted research with the original monthly commentaries that developed the framework over time.

Featured monthlies Original monthly · PDF
01 Real Assets as Portfolio Diversifiers Low correlations vs. Tech, broad equities and bonds. Explore topic
02 Midstream's Journey Back from "Junk" Debt, payouts, capex and FCF reshaped the sector. Explore topic
03 Capex, Debt and the Shape of Cycles The capital-cycle lessons of midstream now echo across utilities and Tech. Explore topic
04 Resources and Real Assets as an Inflation Hedge Capex, CPI and why physical shortages can outlast monetary tightening. Explore topic
05 Shale, Oil and the Changing Commodity Cycle How short-cycle Shale changed oil volatility and the value of long-cycle supply. Explore topic
06 Energy Security and America's Physical Advantage Cheap energy, LNG and the industrial value of secure U.S. supply. Explore topic

Historical archive

Research across the cycle.

Looking for a specific month rather than a topic? Browse the complete archive chronologically. Historical commentaries open as the original PDF publications.

2026 8 commentaries
2025 12 commentaries
2024 11 commentaries
2023 12 commentaries
2022 11 commentaries
2021 12 commentaries
2020 7 commentaries

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