Tomorrow, a rate hike in Japan is a certainty, and the market is focused on "how the next hike will be implemented."

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The Bank of Japan is expected to raise its benchmark interest rate this Friday to the highest level in thirty years, marking increased confidence in achieving its stable inflation target. The market's focus has shifted from "if there will be a rate hike" to "how the path of future rate hikes will unfold."

Bank of Japan Governor Kazuo Ueda and his committee members are likely to raise the overnight lending rate by 25 basis points to 0.75% at the end of a two-day meeting. Since Kazuo Ueda gave a rare and clear signal earlier this month that a rate hike was imminent—and with wage growth momentum remaining strong and less disruption from US tariffs than expected—market expectations for a rate hike have continued to rise. This is the first time since Kazuo Ueda took office that all Bank of Japan observers polled by Bloomberg anticipate a rate hike.

Since the rate hike has been fully priced in by the market—the overnight index swap shows traders believe there is about a 95% chance of a rate hike—investors' focus has shifted to future policy paths. If the yen's exchange rate falls toward the key threshold of 160 yen per US dollar, it may force financial authorities to reconsider intervening in the foreign exchange market, while any excessively hawkish signals could reignite a sharp rise in bond yields, which might unsettle Prime Minister Sanae Takaichi's government as it prepares next fiscal year's budget.

This rate hike will bring Japan's interest rate to its highest level since 1995, marking Japan's economic exit from decades of stagnation after the bubble burst. As the economy enters a distinctly different stage, Kazuo Ueda is essentially stepping into uncharted territory and will likely want to maintain maximum flexibility when planning future paths.

Market consensus anticipates a rate hike; decision likely to pass unanimously

The first rate hike since January this year is expected to be a unanimous decision, as two committee members have called for a rate hike at each of the last two meetings. If Friday’s vote goes as expected and receives unanimous approval, it will be the first time all members have supported a rate hike among the four rate hike actions taken under Kazuo Ueda’s leadership.

Bloomberg’s survey shows all Bank of Japan watchers interviewed expect a rate hike this week. Signals from Kazuo Ueda earlier this month, along with data showing wage momentum remains and external risks are controllable, have solidified this consensus. Policy statements are typically released around noon, followed by a press conference at 3:30 p.m. with Kazuo Ueda.

Bloomberg economist Taro Kimura points out that, with the market having already priced in the effects of a rate hike, the focus will shift to Kazuo Ueda’s guidance during the press conference. Kimura expects Ueda to stick to cautious language, avoid signaling the timing of future rate hikes, and the central bank may state that financial conditions remain accommodative, implying there is still room for further rate hikes.

Interest rates remain below neutral level; further upside potential exists

Although the rate hike is considered “settled,” the key is how the Bank of Japan under Kazuo Ueda will describe the longer-term interest rate path.

According to sources told Bloomberg, Bank of Japan officials believe that even if borrowing costs rise to 0.75%, the central bank has not yet reached the so-called “neutral interest rate” level. Some officials believe that an interest rate of 1% would still be below the neutral rate. The neutral rate refers to the interest rate that neither stimulates nor restrains economic growth.

The Bank of Japan has indicated the neutral rate lies between 1% and 2.5%. This range is estimated based on the “natural rate” plus the 2% inflation target. Any clear upward revision of this concept would suggest greater room for rate hikes than previously expected.

Currently, Japan’s inflation rate has remained at or well above the Bank of Japan’s 2% target for three and a half years, while interest rates remain among the lowest of major economies. This means that even after Friday’s rate hike, the policy environment will still be considered accommodative by the central bank.

Balancing exchange rate and bond market risks, communication faces delicate challenge

For Kazuo Ueda, finding the right balance between hawkish and dovish signals is a key challenge. The scholar-turned-governor tends to present a hawkish stance by listing reasons when raising rates, and is more dovish when staying put.

In an environment where rate hikes are widely priced in, overly dovish language about the interest rate outlook could lead to yen weakness. If the yen falls toward the key psychological level of 160, it could trigger another round of currency intervention risk. On the other hand, a hawkish signal from the central bank may help prevent depreciation but could also lead to surging bond yields.

Political factors also add complexity to decision-making. Sanae Takaichi is known for supporting stimulus policies, and this is the first interest rate change since she became prime minister in October. Analysts are closely watching whether government representatives will express concerns and how Kazuo Ueda will communicate over future rate hikes with the pro-stimulus prime minister.

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