Iran conflict clouds Bank of Japan rate-hike timeline, Nomura says
In brief
- Nomura analyst Mari Iwashita: Iran conflict delays BOJ rate-hike timeline clarity
- June or July rate-hike window now uncertain amid Middle East tensions
- Japan's energy imports vulnerable; conflict threatens Strait of Hormuz oil transit
- Nomura estimates conflict could reduce Japan GDP by 0.18 points, raise inflation 0.31 points
Hike Timeline Pushed Back
Markets had been pricing in a move as early as June or July, but that window is looking increasingly uncertain. Oxford Economics now suggests July as the earliest realistic window for a rate hike, a shift from earlier expectations that June was firmly on the table.
The BOJ held its short-term policy rate at 0.75% at both its March and April meetings. But the April vote wasn't unanimous—it was 6-3, with three dissenting members pushing for a hike to 1.0%. That fracture matters. It signals the board is split on whether to move.
The Inflation Shock
The clearest sign of pressure came in early April. The BOJ revised its core inflation forecast for fiscal year 2026 upward from 1.9% to 2.8%. That's not a minor adjustment. It's an acknowledgment that oil-driven price pressures are reshaping the inflation outlook in ways the bank didn't anticipate just months ago.
Japan imports nearly all of its energy. That makes it uniquely vulnerable when conflict threatens key oil transit routes like the Strait of Hormuz. Nomura estimates the Iran conflict could shave 0.18 percentage points off Japan's real GDP while pushing inflation up by 0.31 percentage points.
The Carry Trade Angle
For crypto markets, this matters more than it seems. When the BOJ moves slowly on rate hikes, it keeps the yen relatively weak and borrowing costs low, supporting carry trades into riskier assets including crypto. The yen carry trade, where investors borrow cheaply in yen and park the money in higher-yielding assets, has been one of the persistent drivers of risk-asset flows. Delays in BOJ tightening keep that trade alive.
But the central bank faces a narrow path. Raise interest rates to fight inflation and risk choking an already fragile economy, or hold steady and watch prices climb higher. Rising oil prices from Middle East tensions are forcing the BOJ into a corner, and the fallout is rippling into crypto markets.


