Bank of Japan Holds Rates Steady Amid Iran War Inflation Fears

The Bank of Japan is widely expected to keep its benchmark interest rate unchanged at 0.75% this Thursday, even as rising inflationary pressures force policymakers to maintain a cautious rate-hike stance. The decision comes against a backdrop of global oil prices surging nearly 70% following the outbreak of U.S.-Israel military operations against Iran on February 28 — a development that has sent shockwaves through energy markets and reignited cost-of-living concerns worldwide.

For Japan, a heavily import-dependent economy, the spike in fuel costs presents a dual threat: slower economic growth on one hand, and runaway inflation on the other. This classic stagflation dilemma is putting BOJ Governor Kazuo Ueda in a difficult position heading into Thursday's post-meeting press briefing, where investors will closely monitor his tone on future rate hike timing and inflation risk management.

Analysts warn that a dovish signal from Ueda could actually push long-term Japanese government bond yields higher, as markets may begin pricing in the risk of the central bank falling behind the curve on inflation. Japan's real interest rates remain deeply negative, meaning further delays in tightening monetary policy could undermine the effectiveness of previous rate hikes and allow inflation expectations to drift upward.

The more consequential policy decision may come in April, when the BOJ conducts its quarterly economic projections review. By then, key data — including the Tankan business survey on April 1 and a regional branch managers' meeting on April 6 — will offer clearer signals on how the ongoing conflict is affecting domestic conditions.

Despite growth risks and political pressure to move slowly, financial markets currently price in roughly a 70% probability of a rate hike in April. If elevated oil prices persist and inflation expectations climb, the BOJ may have little choice but to act — even in the face of mounting economic uncertainty.