Powell’s FOMC language this week will determine whether Warsh enters office with constrained rate-cut flexibility or market permission to move quickly. On Wednesday, as the Fed chair prepares to hand the gavel to Kevin Warsh on May 15, his statement on energy inflation will signal to markets whether the Fed believes March’s 3.3% headline CPI is a one-off energy shock or the opening of a second-wave inflation risk. That language choice will define whether Warsh inherits room to pursue his stated preference for aggressive balance-sheet normalization, or whether he will be locked into defending inflation expectations against market skepticism.

The facts are undeniable. Energy prices surged 21.2% in March, driving headline CPI to 3.3%, the highest reading in two years. Core CPI remains contained at 2.6%, suggesting underlying disinflation is intact. But “core” excludes the very shock that has frayed consensus: Middle East tensions and Strait of Hormuz supply disruptions have pushed oil above $85 per barrel, a level the Fed’s own models associate with second-wave inflation risk.

Powell’s statement language on energy will signal everything about Warsh’s policy room. If Powell calls March’s surge “temporary” or “transitory,” the Fed is saying: we still believe headline inflation rolls back toward 2.8-3.0% by summer on base effects alone, and rate cuts remain on the table for 2026. Markets will hear that as permission to hold rate-cut bets at 75 basis points priced for this year. But if Powell hedges, acknowledges persistence risk, or signals wariness about cutting into elevated energy prices, he is telling Warsh: “Your mandate is constrained. You cannot move aggressively toward rate cuts without anchoring inflation expectations first.”

The precedent cuts both ways. In early 1994, Alan Greenspan began the Fed’s hiking cycle with a 25 basis point increase in February, believing, as Powell does now, that inflation was sufficiently contained. The Fed continued raising rates throughout the year—including a 75 basis point increase in November—ultimately reaching 6% by January 1995. Bond markets disagreed sharply; 10-year Treasury yields spiked 100-plus basis points during this period, and the Fed never actually paused the hiking cycle as markets expected. The cycle was neither finished nor credible in market eyes until the Fed acknowledged the persistence of inflation expectations.

Powell cannot invoke a 30-year precedent without confronting its implications. The Fed’s credibility on inflation rests entirely on the assumption that it will cut rates into a landscape where inflation is genuinely trending downward. If energy prices stay elevated and headline inflation sticks above 3.2%, that assumption collapses. Warsh, a known skeptic of quantitative easing and forward guidance, will have inherited not a chair ready for a policy pivot, but a communication structure that markets no longer believe.

The base-effect math is Powell’s only ally here. March’s headline CPI spike will roll out of year-over-year comparisons by June, mechanically pulling the headline rate down even if oil prices stay flat. But that math assumes no new shocks. If the Strait of Hormuz faces fresh disruptions or geopolitical risk premia remain elevated, energy price expectations will not cooperate, and the Fed will face a nightmare scenario: market pricing of aggressive rate cuts while inflation expectations are de-anchoring, precisely as leadership changes hands.

Warsh has signaled in confirmation hearings that he favors aggressive balance-sheet runoff and is skeptical of forward guidance frameworks. Those positions are economically defensible if inflation is truly contained and labor markets are sufficiently tight to justify cuts. But if Powell’s statement this week reveals that the Fed is uncertain about inflation’s trajectory—if he hints that energy risks require patience before cutting—Warsh will have no choice but to postpone both aggressive QT and rate cuts, contradicting his stated policy preferences immediately.

The critical data point is what Powell says about energy’s permanence. CME FedWatch futures are currently pricing a 62% probability of a rate cut by August 2026, an assumption built on the belief that inflation is transitory. If Powell’s statement raises doubts about that transience, futures markets will immediately reprice, possibly moving the first-cut probability below 40%. A Warsh-led Fed would welcome that repricing if it means his hands are free to pursue balance-sheet normalization without fighting inflation expectations. But if Powell stays dovish and locks in the 62% probability, Warsh enters office with a credibility constraint: if inflation hasn’t materially cooled by July, he will face pressure to cut as markets expect, or admit his predecessor overestimated the transience of the shock.

Powell’s final act as chair is a credibility transfer. The question is not whether the Fed will cut rates this year—economics and labor market softening will likely force that outcome. The question is whether Powell is being honest about the inflation risks his successor will face, or whether he is smoothing the transition by assuring markets that the disinflation story is still intact despite evidence of reopened energy risk. Warsh’s first 90 days will hinge on Powell’s answer.