Skip to content
← Back to Active Thesis Feed
🟢 Confirmed Sep 16, 2026

Warsh Named The AI Buildout As A Yield Driver

The Fed hiked 25bp on a 12-0 vote and nobody dissented, which was not the base case at any major desk. But the line worth keeping came in the press conference, when Warsh was asked why bond yields have risen and gave three reasons — one of them was the capex surge competing for capital.

The FOMC raised rates 25bp to 3.75-4.00%. The vote was 12-0. Bank of America had expected Waller to dissent; UBS had expected Bowman and Waller. The statement dropped its earlier description of elevated inflation as owing in part to supply shocks. It added that productivity growth is strong and capital investment robust, and that domestic spending has been resilient. Sixteen of eighteen submitted dots project at least one more hike in 2026 — twelve at 4.125% and four at 4.375%, with two at 3.875%. Medians: 4.125% for 2026, 4.1% for 2027, 3.9% for 2028, 3.6% for end-2029. The longer-run rate was revised up to 3.2% from 3.1%. Core PCE for 2026 was raised to 3.4% from 3.3% and headline to 3.7% from 3.6%. Unemployment was cut to 4.1% from 4.3%. GDP nudged to 2.3%. Warsh said he did not submit a dot. He said he is hard-pressed to call financial conditions restrictive and that this view was widely shared on the committee. On neutral, he said he finds it academically interesting but does not see it having an operational effect on decisions today. He repeated that he is not in the forward guidance business. Asked why bond yields have risen, he gave three reasons: economic strength, competition for capital because the surge in capex is real, and geopolitics. He said the Fed cares very much about what is happening in AI and that a taskforce reports to them on it by year-end. Asked what changed since July, he named three things: a stronger economy and labor market, inflation failing to improve, and a changed assessment of geopolitical risks. Into the close: the ten-year rose to 5.006% while the thirty-year fell to 5.349%. Thirty-year minus five-year came in to 49.0 basis points from 55.9. The Dow fell 1.21% while the Nasdaq closed green. Crude fell 3.56%. Diesel settled at $5.2465 and tanker freight rose 8.37% to a record. Japan's US Treasury holdings fell to $1.104 trillion in July from $1.117 trillion in June. Dollar-yen rose a full yen to 156.13. The dollar index broke 100.
2026-09-16
Start with the capex line, because it is the one that will not be quoted anywhere else. The argument here has been that the data center buildout is not additive investment. It is crowding out. Census construction data shows data center spending up roughly $47 billion against its December 2023 baseline while all other private construction is down roughly $125 billion. Capital is being reallocated into the buildout, not created for it. The Fed Chair just described the same mechanism from the podium, unprompted, as one of three reasons long yields are higher. Competition for capital. The surge in capex is real. That is the first time monetary policy has publicly connected the AI buildout to the cost of government borrowing. And the taskforce reporting by year-end means it is not a throwaway line — the Fed is formally studying it. The second thing that happened is quieter and structurally larger. The statement dropped supply shocks as an explanation for elevated inflation. That sentence was doing all the work for the dovish case. If inflation is a supply shock, rate hikes cannot fix it, and the argument that the Fed should wait — made publicly this week by a sitting governor and by Mark Zandi — follows directly. Removing the sentence removes the premise. And Warsh then named a changed assessment of geopolitical risk as a reason to tighten, which moves energy from something the Fed looks through to an input in the reaction function. That makes three central banks in eight days. Bailey named refined fuel on September 9. The ECB's Kocher named oil on September 11. The Fed has now joined them. An energy shock is being treated as an inflation problem to be answered with rates rather than a relative price change to be absorbed. The third thing is what he refused to give. He did not submit a dot. He dismissed the neutral rate as operationally irrelevant on the same day the committee revised its longer-run estimate higher. He declined forward guidance and declined to prejudge future decisions. The vote was unanimous, so there is no dissent to read as a ceiling. That is a hawkish stance with no anchor attached. Not a higher terminal rate — no stated terminal rate at all. Bank of America had warned that sequencing language would get the market pricing more than 100bp of tightening. Warsh gave no sequencing and the market repriced anyway: roughly even odds on an October hike, with traders adding to bets on two more by year-end. Gundlach said he sees virtually no chance this is the peak. That matters because of what it does to the one historical escape hatch. The ten-year yield has risen in every modern hiking cycle since 1986 — seven for seven, never by less than 47 basis points and as much as 218. The single exception in that record is a cycle that turns out to be one and done. As of this afternoon, one and done is not priced anywhere. Now the part that cuts the other way, and it should be said plainly rather than buried. The curve flattened on a hawkish unanimous hike. The ten-year rose to 5.006% while the thirty-year fell to 5.349%, taking thirty-year minus five-year to 49.0 basis points from 55.9 yesterday and a 57.6 baseline. Both ends moved toward each other rather than the long end rallying alone. That is not what a bond market rejecting a hike looks like. It is closer to the opposite — the front end absorbing the tightening while the long end treats a Fed willing to act as a reason to demand less term premium. One session is one session, and this measure has been noisy enough this week to deserve caution rather than a verdict. But it is the fourth consecutive close in the same direction, and it is evidence against the simple story that hiking into an oil shock steepens the curve. The equity split was stranger than the index. The Dow fell 1.21%, six hundred and thirty-one points, while the Nasdaq closed green and technology finished up on the day. A higher-for-longer dot plot with the longer-run rate revised up, and the highest-duration part of the equity market did not flinch. And crude falling did nothing to either squeeze. Diesel settled at $5.2465 for a crack of $117.92 — a second consecutive record, set on a session crude fell more than three percent on reports Saudi Arabia will restore roughly half its East-West pipeline within days. Gasoline cracks widened to $43.94. Tanker freight rose 8.37% to a record on the same session, reversing an eight percent two-day decline. Freight at a record. Refining margins at a record. Crude down three and a half percent. Moving the barrel is scarce and refining the barrel is scarce. The barrel itself is not. The Fed is tightening into an energy shock that does not live in the commodity everybody quotes.
  • Thirty-year minus five-year at 49.0 basis points against the 57.6 baseline. Closing marks only. Four consecutive sessions of flattening now, including through a hawkish unanimous hike.
  • October meeting pricing, currently around even odds. One and done is the only scenario in which the historical pattern of rising long yields through a hike cycle fails.
  • The Fed's AI taskforce report, due by year-end. The first formal central bank assessment of the buildout's macro footprint.
  • The Bank of Japan meets Friday. Dollar-yen rose a full yen today to 156.13 — the carry going back on, not off. Japan's Treasury holdings fell $13 billion in July to $1.104 trillion, the largest foreign holder selling while the yen weakens into the meeting.
  • Whether the diesel crack holds its record through a confirmed pipeline restart. That is the cleanest available test of whether refining capacity rather than crude supply is the binding constraint.
⚡ A Fed that names the AI buildout as a driver of long yields has connected Layer 3 to Vein 10 from the podium — and it did so while removing every anchor on how far it will go.
🟢 The Fed's Dove Says Demand, Treasury Says Oil 🔄 Follow-up Sep 21, 2026
The committee's most reliable dove spent Monday morning describing demand overheating. Two hours earlier the Treasury Secretary called it all headline energy that fades when the war ends. Same inflation. Opposite diagnoses.
🟢 Now The Fed Names AI As An Inflation Driver 🔄 Follow-up Oct 1, 2026
Two weeks after Warsh named the AI capex surge as a driver of bond yields, Vice Chair Jefferson named it as a driver of inflation — attributing rising core goods prices to AI-related production costs. The headlines traded the October skip. The substance is a second Fed leader putting AI inside the inflation problem.