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Data from Statistics Bureau of Japan. Forecasts by Sigmanomics Forecast Engine.
JapanJapan CPI YoY climbed to 1.9% in August 2026
Statistics Bureau of JapanMonthlyReleased August 2026
Japan CPI YoY climbed to 1.9% in August 2026, up 0.1% from July's 1.8% reading. The print came in cooler than the 2.0% consensus, a softer print than forecasters anticipated. The print is running well above the 12-month average of 1.68%. Over the past 3 months, CPI YoY averaged 1.95%, vs 1.5% in the prior 3-month window.
Latest Release
1.9
Actual
2
Consensus
1.8
Previous
Median Absolute Error
±0.15 percentage points
across last 5 releases
Last Call
Aug 2026
Predicted: 2.03
Actual: 1.9
Error: +0.13
Sigmacast Σ-direction model: consensus + ½ × mean(surprise, trailing 90d).
CORRELATED SYMBOLS— markets that historically move with this indicator
| Symbol | Direction | Correlation | Asset Class | Co-movement | Action |
|---|---|---|---|---|---|
| USD/JPY | ▼ Inverse | −0.50 | FOREX | Moves against | → View |
| EUR/JPY | ▼ Inverse | −0.45 | FOREX | Moves against | → View |
| Nikkei 225 | ▲ Direct | +0.45 | INDEX | Moves with | → View |
| GBP/JPY | ▼ Inverse | −0.40 | FOREX | Moves against | → View |
| XAU/USD | ▲ Direct | +0.30 | COMMODITIES | Moves with | → View |
Correlation based on 12-month rolling window. Click any symbol to view its Sigmanomics forecast page.
THE RELEASE
CPI YoY (Japan) was reported at 1.9% in August 2026. This missed the market consensus of 2% by 0.1%. The reading rose from the previous value of 1.8%. Trailing 12-month context per ETL data through August 2026.
THE MODEL'S TAKE
Historically, this indicator is negatively correlated with USD/JPY (Bullish JPY). A secondary relationship exists with EUR/JPY, negatively correlated (Bullish JPY).
WHAT TO WATCH NEXT
Same-country events in the next 14 days include CFTC JPY speculative net positions (Oct 30) and Retail Sales YoY (Oct 30).
Auto-generated from current model state · Refreshes on each release · Last update August 2026.
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CPI YoY - JP
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About CPI YoY — Japan
DEFINITION
Japan's CPI YoY for August held steady at 2.00%, matching July's reading and consensus exactly. The inflation rate remained unchanged from July's 2.00%, continuing a stable trend since June's 1.9%. Market focus now shifts to upcoming BOJ policy decisions amid persistent inflation at the 2% target. Updated 8/28/26
WHY THIS INDICATOR MATTERS
Inflation prints feed directly into central-bank policy expectations and real-yield calculations, and are among the most rate-sensitive releases on the calendar. The release is more useful as part of a longer-run signal than as a single-print catalyst. Released monthly.
WHAT CHANGED THIS MONTH
Latest reading (Aug 2026): actual 2 %, consensus 2 %. Prior reading (Jul 2026): 2 %. Before that (Jun 2026): 1.9 %.
WHAT'S NEXT
Sigmacast's 1-month forecast points to a higher reading versus the latest print, with the 3-month outlook reinforcing that direction. Both horizons are aligned bullish for this indicator, suggesting a consistent trend signal. Trend-driven dynamics are the primary tailwind in the current projection. This indicator correlates most strongly with USD/JPY (Bullish JPY, r=-0.50) — a useful reference for forex-focused traders.
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Economic Calendar - JP Events
| Thursday, October 29, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
|---|---|---|---|---|---|---|---|
| 05:00 | JP | Consumer Confidence | 35 | 35.4 | 35.1 | 35.05 | High |
| 23:30 | JP | Jobs/applications ratio | 1.19 | 1.18 | 1.18 | 1.19 | Low |
| 23:30 | JP | Unemployment Rate | 2.4 | 2.5 | 2.5 | 2.45 | Medium |
| 23:30 | JP | Tokyo CPI Ex Food and Energy YoY | 2.6 | 2.9 | 2.7 | 2.65 | Low |
| 23:30 | JP | Tokyo CPI YoY | 2.8 | 2.7 | 3.3 | 3.05 | Low |
| 23:30 | JP | Tokyo Core CPI YoY | 2.6 | 2.7 | 2.6 | 2.60 | Low |
| 23:50 | JP | Industrial Production MoM | 2.2 | -2.4 | 1.3 | 1.75 | Medium |
| 23:50 | JP | Industrial Production YoY | 1.9 | 2.7 | 3.1 | 2.50 | Low |
| 23:50 | JP | Retail Sales MoM | -0.7 | -0.9 | 0.6 | -0.05 | Low |
| 23:50 | JP | Retail Sales YoY | 2.3 | 2.9 | 3.3 | 2.80 | Medium |
| Friday, October 30, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
| 03:00 | JP | BoJ Interest Rate Decision | 1.25 | 1.25 | 1.25 | 1.25 | High |
| 05:00 | JP | Housing Starts YoY | -2.7 | 6.1 | 2.9 | 2.95 | Medium |
| 05:00 | JP | Construction Orders YoY | -11.1 | -3.6 | -3 | -2.70 | Low |