The Dollar's Borrowed Strength

Kevin Warsh was sworn in as the 17th chair of the Federal Reserve at the White House today, 22 May 2026 — confirmed by the Senate 54–45 on 13 May, with President Trump openly "seeking interest rate cuts." The dollar greeted him firm: DXY sits near 99 (21 May 2026), within a hair of a six-week high, because the market reads Warsh as a credibility upgrade and the Strait of Hormuz — running at roughly 5% of pre-conflict shipping since the late-February air war on Iran — as a one-way safe-haven bid. Both reads are half-right, and together complacent. The dollar is being propped by an oil shock it does not control and a Fed chair the market has not yet figured out; underneath, the relative policy path is turning against it.

01The regime and the framework

This is cross-border policy divergence — the dollar driven by the relative trajectory of the Fed, ECB and BoJ — with an energy-driven reflation as the cross-cutting overlay. One shock, a Hormuz oil blockade with Brent at $104.52/bbl (22 May 2026, off a $114.44 spike earlier this month but still roughly 50% above pre-war), hits three central banks at three different points in their cycles. The transmission runs: same shock → divergent policy responses → 2-year differential compression → FX → equities.

The ECB held its deposit rate at 2.00% on 30 April but openly debated a hike, with euro-area inflation at 3.0%; the €STR strip prices roughly +50bp of hikes into year-end, the first as soon as its June meeting, to 2.25%. The BoJ held at 0.75% — a 30-year high — but three of nine board members dissented for 1.00%, and it lifted its FY2026 core-inflation outlook to 2.8% from 1.9%. Both are leaning against the shock: earlier in normalisation and more exposed to imported energy inflation, they read it as something to fight. The Fed is the constrained one — and that is where the new chair changes the picture.

02The Warsh Fed: pinned now, spring-loaded later

Warsh inherits a divided committee and a bond market daring him to blink. Wall Street prices a 97.2% hold at his first meeting on 16–17 June; the live debate is not whether he cuts but whether a faction pushes to hike — April CPI at 3.8% is the hottest in three years, and FOMC minutes show members "open to a hike." His signature is unusual: a "rate cuts plus active QT" mix — shrinking the $6.7tn balance sheet through asset sales while eventually lowering the policy rate, a return to what he calls a traditional monetary standard. He wraps it in independence language — the Fed must "stay in its lane" — while the administration that staged his swearing-in at the White House, the first there since the 1980s, makes no secret of wanting cuts.

The market's error is extrapolating the June hold across the horizon. The reaction function is asymmetric: pinned now, predisposed to cut into the second half, because the political and intellectual incentives point the same way. For a divergence trade that resolves by end-September, that matters more than one meeting.

There is a darker version, and I will not bury it. If Warsh eases under visible political pressure while inflation is still hot, the bond market will not read it as benign convergence — it will read it as debasement. The long end sells off, the term premium blows out, and the dollar falls not because the gap closed cleanly but because confidence cracked. That outcome would make my FX call right for the wrong reason: EUR/USD up, but alongside a 10s30s bear-steepening, an equity drawdown and a gold bid — the opposite cross-asset picture to my base case. The instrument that tells the two apart is the US 10-year; I flag the level in the falsifier below.

One more thing the consensus is glossing: the market's relief at Warsh — the dollar and short-dated Treasuries rallied when Trump tapped him, because he is not a pure dove — is a real, dollar-supportive counter to my thesis. My answer is that the relief is about avoiding a worse dove, not an endorsement of a hawkish path; the actual mandate, and the committee arithmetic once energy peaks, still bend toward easing.

03The numbers the equity market isn't pricing

US equities are priced for the benign path only. The S&P 500 closed near 7,446 (21 May 2026) at 21.1x forward earnings — above its 5-year (19.9x) and 10-year (18.9x) averages — discounting +22.1% calendar-2026 EPS growth. That is a thin cushion against a hold-or-hike Fed, a 10-year at 4.56% (22 May), an oil tax on margins, active QT draining liquidity, and a new chair the bond market has not yet tested. The macro split that pins Warsh is visible in the prints: core PCE 3.2% (March) and headline CPI 3.8% (April) on one side; payrolls a soft +115k and unemployment 4.3% on the other, with Q1 GDP a middling +2.0% annualised. The US–Germany 2-year spread sits near +147bp (US 2y 4.13%, 22 May; German Schatz 2.66%, 11 May) — and the German leg is the one with room to rise.

04Cross-asset positioning — one frame

Note the downgrade: a week ago I held the EUR/USD leg at high conviction. The deeper read of the Hormuz blockade's severity — a structural euro-negative the rate channel only partly offsets — and a Fed now priced to hold-or-hike pull it to Medium. The direction stands; the timing is less clean.

Where the legs agree: the dollar's marginal driver is rotating away from the Fed and toward the foreign central banks and the oil price. Where they fight: on Japan (the terms-of-trade headwind), on equities (weak-dollar tailwind vs QT and real-yield headwind), and within rates — Warsh's QT is dollar-supportive at the margin even as his rate path is dollar-negative. The expression that survives the most cross-currents is long EUR/USD, and even that is a Medium call now, not the High it was a week ago.

05Three paths

Asymmetry: about 75% of the distribution has EUR/USD higher, but ~10 of those points are the disorderly debasement version, and the 25% escalation tail is the largest single move. Positive skew on the FX call, fat left tail on the dollar — size for the tail, not against it.

06The falsifier

AAppendix — Sourced figures