Welcome To The Bank Of Japan’s Year From Hell

Bank of Japan Governor Kazuo Ueda can’t seem to catch a break in 2026.

Granted, none of his central banking peers could’ve seen the war in Iran coming. Or the ways it’s pitting old-economy shocks against the artificial intelligence boom and creating a brand-new economy in real time.

This AI trade has Japanese stocks flirting with all-time highs, even as surging oil prices threaten economic growth. This head-spinning disconnect is making life harder for Ueda and his fellow board members.

Team Ueda entered 2026 on a high after having raised rates to a 30-year high of 0.75%. By now, Ueda had probably assumed the benchmark would be well above 1%. That, most BOJ watchers reckoned, would solidify Ueda’s place in posterity as the man who normalized Japanese rates.

Now, who knows? Until recently, the BOJ was widely expected to tighten next week. With inflation heating up, Ueda could certainly make the argument for another tightening move. That is, if not for the deepening stagflation problem confronting Japan.

While economies from the U.S. to Europe are trying to fend off a scenario in which inflation outpaces economic growth, Japan is already there. Inflation is twice the 1.1% GDP growth rate in 2025.

This leaves Ueda in an impossible situation. If he hikes rates, he risks being blamed for even slower growth or a recession. Throttle back too much and the BOJ risks normalizing 2%-plus inflation. Odds are, inflation would settle even higher than that, considering the weak yen.

If the Iran war fallout is short-lived, then the inflationary damage may be limited. But with Tehran outmaneuvering U.S. President Donald Trump at every turn, the conflict could drag on. If so, the BOJ faces an unexpected challenge.

While inflation is firmly back, Tokyo remains stuck in a “deflationary mindset” that’s harder to change than expected. After 20-plus years of falling prices, the return of inflation is proving traumatic for Japan’s 125 million people. It means that every time costs ratchet higher, household sentiment has a harder and harder time adjusting.

That’s why in Japan, even good news can be bad these days. Case in point: rising wages. After two decades of flatlining pay scales, companies are under pressure to fatten paychecks. One reason is healthy corporate earnings. Another: labor scarcity as the workforce ages and shrinks.

Yet Japan’s chronically weak productivity is now a growing problem. It ranks 28th among 38 Organization for Economic Co-operation and Development members, the lowest in the Group of Seven. Without a quick increase in worker efficiency, a sudden burst of wage growth might just exacerbate inflation.

On top of this challenge, Ueda is bracing for looser fiscal policy, perhaps even budget-boosting tax cuts. Prime Minister Sanae Takaichi has made no secret of her desire to make fiscal pump-priming great again. Between rising wages and increasing government spending, Ueda’s 2026 might get ever more difficult.

How Ueda pulls off this balancing act is anyone’s guess. Even he probably doesn’t know at this point. The plot thickens when you consider Takaichi’s aversion to additional rate hikes. Last year, before securing the premiership in October, Takaichi called the mere idea of the BOJ hitting the brakes “stupid.”

We’re not talking about a Trump-versus-Jerome Powell spat. Trump has attempted to fire Federal Reserve Chair Powell; Takaichi isn’t likely to go that far. But her Liberal Democratic Party has long prodded the BOJ to tread carefully on higher rates. How else can you explain a central bank in a democratic nation holding rates at, or near, zero for 27 years?

However things turn out, the global financial system has a lot riding on the BOJ succeeding. Few threats panic hedge fund managers more than sudden gyrations in the yen. Twenty-seven years of zero interest rates have made Japan the premier creditor nation.

Investors grew accustomed to borrowing cheaply in yen and then investing the funds into higher-yielding assets around the globe. It means that any big zig in the yen causes markets from New York to London to Mumbai. All global markets can do is hope that Ueda & Co. gets things right. That, unfortunately, is very much in question.