Japan’s Tokyo CPI inflation rises in June: What 1.7% means for Japanese Yen

What do Japan’s Tokyo CPI inflation data mean for the Japanese Yen

Japan's Tokyo CPI measures the price fluctuation of goods and services purchased by households in the Tokyo region. This report is one of the most important inflation indicators as it offers an early glimpse into national inflation trends and helps shape expectations for Bank of Japan (BoJ) policy.

Hotter-than-expected CPI inflation suggests stronger inflationary pressures in Japan, which generally supports the Japanese Yen by increasing the likelihood of further BoJ policy normalization. On the other hand, softer-than-expected CPI inflation may signal easing inflationary pressures, which could lead markets to scale back expectations for future BoJ rate hikes and weigh on JPY.

Technical Analysis: USD/JPY maintains constructive bias in the near term

In the daily chart, USD/JPY extends its advance well above the 100-day moving average (MA) and the Bollinger middle band, which both underpin a firm bullish near-term bias. Price now presses toward the Bollinger upper band, highlighting a stretched topside move, while the Relative Strength Index (14) around 72 suggests overbought conditions that could slow the pace of gains even if the broader uptrend remains intact.

On the topside, immediate resistance is located at the Bollinger upper band at 162.00, and a sustained break above this level would open the way for further upside extension. On the downside, initial support is seen at the Bollinger middle band near 160.55, ahead of secondary demand at the lower Bollinger band at 159.10 and the 100-day MA at 158.45, where a deeper pullback would be expected to encounter buying interest while the pair holds above these underlying trend supports.

(The technical analysis of this story was written with the help of an AI tool.)

Economic Indicator

Tokyo Consumer Price Index (YoY)

The Tokyo Consumer Price Index (CPI), released by the Statistics Bureau of Japan on a monthly basis, measures the price fluctuation of goods and services purchased by households in the Tokyo region. The index is widely considered as a leading indicator of Japan’s overall CPI as it is published weeks before the nationwide reading. The YoY reading compares prices in the reference month to the same month a year earlier. Generally, a high reading is seen as bullish for the Japanese Yen (JPY), while a low reading is seen as bearish.

Bank of Japan FAQs

What is the Bank of Japan?

The Bank of Japan (BoJ) is the Japanese central bank, which sets monetary policy in the country. Its mandate is to issue banknotes and carry out currency and monetary control to ensure price stability, which means an inflation target of around 2%.

What has been the Bank of Japan’s policy?

The Bank of Japan embarked in an ultra-loose monetary policy in 2013 in order to stimulate the economy and fuel inflation amid a low-inflationary environment. The bank’s policy is based on Quantitative and Qualitative Easing (QQE), or printing notes to buy assets such as government or corporate bonds to provide liquidity. In 2016, the bank doubled down on its strategy and further loosened policy by first introducing negative interest rates and then directly controlling the yield of its 10-year government bonds. In March 2024, the BoJ lifted interest rates, effectively retreating from the ultra-loose monetary policy stance.

How do Bank of Japan’s decisions influence the Japanese Yen?

The Bank’s massive stimulus caused the Yen to depreciate against its main currency peers. This process exacerbated in 2022 and 2023 due to an increasing policy divergence between the Bank of Japan and other main central banks, which opted to increase interest rates sharply to fight decades-high levels of inflation. The BoJ’s policy led to a widening differential with other currencies, dragging down the value of the Yen. This trend partly reversed in 2024, when the BoJ decided to abandon its ultra-loose policy stance.

Why did the Bank of Japan decide to start unwinding its ultra-loose policy?

A weaker Yen and the spike in global energy prices led to an increase in Japanese inflation, which exceeded the BoJ’s 2% target. The prospect of rising salaries in the country – a key element fuelling inflation – also contributed to the move.

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