JB Macro

JB Macro

Essential Reading From June 26

All The Good Macro I Read In June 2026

James's avatar
James
Jun 27, 2026
∙ Paid

In this note, we outline the noteworthy macro we read in June, with our summaries. The full reading list is updated regularly here.

Semiquincententacles – JPM’s Eye On The Market (research note), June 2026: Read this from Michael Cembalest. It’s soo good for US macro. But if you don’t, here are several key extracts:

I’m not surprised by the dollar’s resilience: the six metrics we track regarding the dollar’s reserve currency status are mostly stable: the dollar’s share of cross border loans, international debt securities, foreign exchange volumes, FX reserve asset allocation, export invoicing and SWIFT payments. The dollar share of FX reserves has declined by 3% since December 2020 but the offsetting increase has entirely been in the IMF’s “other currency” category which includes the Singapore Dollar, Korean Won, Swedish Krona, Norwegian Krone and others. FX reserve shares for the Euro, Yen, Pound and Chinese RMB have declined since that date.

The image presents a line chart depicting the percentage share of various financial categories (debt, reserves, trade, cross-border loans, international debt securities, FX transaction volume, official FX reserves, exports invoicing, and SWIFT payments) for the years 2020 through 2026, showing a slight increase in debt and SWIFT payments, while other categories remain relatively stable or show minor fluctuations.

AI-generated content may be incorrect.

… My colleague Alex Wolf has done some insightful analysis on this topic. As shown below, FX reserves, central bank assets and money supply usually move in sync, whether we’re looking at fixed currency pegs 5 or a floating currency like the Mexican Peso; otherwise there would likely be an adjustment through a decline in the exchange rate or a balance of payments crisis. China is different: there’s a huge disconnect between its soaring money supply and much slower growth in FX reserves and central bank assets. The reason: money creation is essentially out of the central bank’s control. This arrangement may only be sustainable when accompanied by a closed and highly regulated capital account, which is entirely inconsistent with reserve currency status.

The image illustrates a graph comparing the M2 money supply, central bank assets, and FX reserves for Mexico, China, and the US from September 2009 to various future dates, showing different levels of monetary indicators.

AI-generated content may be incorrect.

… As recently as 2015 the 10 largest US stocks represented just 17% of S&P 500 market cap; that was also the level that prevailed during the mid-1990’s. Now this figure has risen to ~40%. This might surprise you, but 40% concentration still ranks among the three lowest equity concentration figures in the world; only Japan and India have less. Increased concentration creates risks and challenges for asset allocators, but it’s important to put US equity market concentration in a global context.

The image depicts a bar chart showing the market capitalization share of the top ten companies in various countries, with the United States having the lowest percentage among them.

AI-generated content may be incorrect.

… The charts below show measures of AI readiness from four different sources. They all point to the same conclusion: the US is the most vibrant and prepared country for AI, with China close behind on some measures.

The image depicts a bar chart comparing the Global Al vibrancy index across various countries, illustrating their standings in aspects like innovation, investment, and government readiness.

AI-generated content may be incorrect.

Keep reading with a 7-day free trial

Subscribe to JB Macro to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2026 James · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture