Japan core inflation stays above 2% in May, BOJ data shows

Japan's core inflation remained above the Bank of Japan's 2% target in May, though the pace of price increases continued to moderate, according to data released this week. The core consumer price index, which excludes fresh food but includes energy, rose 2.7% year-on-year in May, easing from 2.8% in April. The more closely watched core-core CPI, which strips out both fresh food and energy, came in at 2.1%, down from 2.2% in the previous month. The trimmed mean, another measure of underlying inflation, fell to 1.5%.

The data presents a mixed picture for the BOJ as it navigates the path toward policy normalization. While headline core inflation remains sticky due to energy costs, the steady decline in core-core inflation from its peak of 3.6% in June last year suggests that demand-driven price pressures are fading. This divergence complicates the central bank's communication strategy, as it aims to build a foundation for sustainable inflation around its 2% target. For traders, the moderation in underlying price trends reduces the urgency for further rate hikes, potentially weighing on the yen and supporting Japanese government bond prices. NowPrice's real-time rates quotes show the latest levels for JPY crosses and JGB yields.

Looking ahead, the BOJ will be closely watching wage negotiations and service prices to gauge whether the inflation trend is durable. The next key data point is the nationwide CPI release for June, due in late July. Market participants will also monitor the BOJ's quarterly outlook report at its July meeting for updated inflation forecasts and any hints on the timing of the next rate move. The gradual descent in core-core inflation suggests that the BOJ may proceed cautiously, keeping policy accommodative for longer to avoid derailing the nascent recovery in domestic demand.