BMO: The Goldilocks Scenario Is Falling Apart

nashnova research
2026-09-16发布阅读约 6 分钟

BMO chief FX strategist Mark McCormick warns that the "Goldilocks" scenario — steady growth with tame inflation — is unraveling, as a simultaneous China-U.S. slowdown, oil back above $100, and the 10-year yield breaching 5% converge into a triple headwind repricing equities.

01

What is the "Goldilocks" scenario, and why is it breaking down?

"Goldilocks" — a fairy-tale metaphor for an economy that is neither too hot nor too cold — has been the core narrative behind the past two years' equity rally.
McCormick says bluntly: "The Goldilocks scenario is falling apart." Multiple headwinds are hitting at once — a synchronized China-U.S. slowdown and sharp winner-loser divergence in AI and energy.
This means → The environment where passive index buying reliably worked is over; the market is now sorting who genuinely benefits from who is exposed.
02

How much has global growth actually slowed?

The IMF projects global growth at 3% this year, down from a 3.5% average over the prior two years.
McCormick's read: this does not yet signal recession — markets are pricing "a policy-driven slowdown."
In plain terms = The economy isn't collapsing on its own; central banks hiking rates and governments tightening fiscal policy are deliberately applying the brakes — speed is falling, but control hasn't been lost.
03

Why are oil prices and Treasury yields the core tension?

The U.S.-Iran conflict continues to push energy costs higher; oil is back above $100 a barrel.
Higher energy → rising inflation expectations → fears the Fed will be forced into more aggressive rate hikes.
The U.S. Treasury yield has breached the 5% threshold — widely seen as the "danger zone" for equities.
This means → Borrowing costs keep climbing; a risk-free 5% from Treasuries forces stocks to offer a higher return to justify the risk — that directly compresses valuations.
04

How far have equities fallen, and what comes next?

The S&P 500 and the Dow both dropped roughly 2% this month; the Nasdaq 100 fell 3%.
McCormick adds: "With U.S. real rates hitting cycle highs, equities could see turbulence."
This reflects the market's central uncertainty: if oil and bond yields stay elevated, how will the Fed's policy path evolve — that is the variable that determines where stocks go next.

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