The Bank of Japan made a big move at its December 2025 policy meeting—raising the policy interest rate from 0.50% directly to 0.75%, the highest level in nearly 30 years. What does this mean? Japan is officially bidding farewell to the long era of ultra-loose monetary policy and moving toward normalizing interest rates.

Why take action at this time? There are three key reasons.

**Inflation is no longer a passing phenomenon** Japan's core consumer price index has remained above the Bank's 2% target for several consecutive quarters. The central bank judges that this is no longer short-term volatility; companies are passing on costs, wages are rising, and inflation now has a structural foundation.

**Milestone in the policy roadmap** After nearly thirty years of low or even negative interest rates, the 0.75% level is seen as a symbolic turning point—Japan's monetary policy is officially shifting from unconventional to conventional, aligning more closely with the frameworks of other major global central banks.

**The backlash from a weak yen** The continuous depreciation of the yen has caused soaring costs for imported energy and raw materials, putting immense pressure on imported inflation. Raising interest rates can help curb excessive yen depreciation, alleviating this pressure.

How did the market react? Japanese government bond yields surged to multi-year highs as investors reassessed future interest rate paths. However, the yen's appreciation was not very sharp, indicating that traders are still closely watching the US-Japan interest rate differential and global capital flows as key variables. Overall, Asian stock markets responded quite well, with many investors interpreting this rate hike as a sign of improving economic fundamentals.