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Data from World Bank. Forecasts by Sigmanomics Forecast Engine.
New ZealandNew Zealand GDP Deflator (Annual %) fell to 3.62 Percent in December 2025
World BankYearlyReleased December 2025
New Zealand GDP Deflator (Annual %) fell to 3.62 Percent in December 2025, down 0.78 Percent from November's 4.4 Percent reading.
Latest Release
3.623358
Actual
—
Consensus
4.401456
Previous
Sigmacast Track Record
Sigmacast track record will appear here once this indicator has been released 3+ times since Sigmanomics began tracking.
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 |
|---|---|---|---|---|---|
| EUR/USD | ▲ Direct | +0.30 | FOREX | Moves with | → View |
| XAU/USD | ▲ Direct | +0.30 | COMMODITIES | Moves with | → View |
| S&P 500 | ▲ Direct | +0.30 | INDEX | Moves with | → View |
| BTC/USD | ▲ Direct | +0.30 | CRYPTO | Moves with | → View |
| USD/JPY | ▲ Direct | +0.30 | FOREX | Moves with | → View |
Correlation based on 12-month rolling window. Click any symbol to view its Sigmanomics forecast page.
THE RELEASE
GDP Deflator (Annual %) (New Zealand) was reported at 3.62 Percent in December 2025. The reading fell from the previous value of 4.40 Percent. This is classified as a medium-impact indicator released on a yearly basis.
WHY IT MATTERS
In December readings over the past 3 years, GDP Deflator (Annual %) has averaged 4.05 Percent.
WHAT TO WATCH NEXT
Same-country events in the next 14 days include Current Account (Sep 15) and Current Account (Sep 15).
Auto-generated from current model state · Refreshes on each release · Last update December 2025.
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GDP Deflator (Annual %) - NZ
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About GDP Deflator (Annual %) — New Zealand
DEFINITION
New Zealand's GDP Deflator (Annual %) for December 2025 came in at 3.623358%, down from November 2024's 4.401456%, indicating a deceleration in inflationary pressures. This decline marks a notable easing compared to the previous year’s reading of 4.110145% in December 2023. Market participants will watch for further inflation data to gauge the Reserve Bank of New Zealand’s next policy moves. Updated 7/1/26
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. Surprises against consensus can drive short-term moves, particularly when the print breaks an established trend. Released annually.
WHAT'S NEXT
Sigmacast's 1-month forecast points to a higher reading versus the latest print. Current dynamics are the primary tailwind in the projection.
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Economic Calendar - NZ Events
| Monday, September 14, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
|---|---|---|---|---|---|---|---|
| 22:45 | NZ | Electronic Retail Card Spending YoY | 0.2 | 3.4 | 3 | 1.60 | Low |
| 22:45 | NZ | Electronic Retail Card Spending MoM | -0.9 | 1.2 | -0.7 | -0.80 | Low |
| Tuesday, September 15, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
| 02:35 | NZ | 3-Month Bill Auction | 2.902 | 2.878 | 2.809 | 2.86 | Low |
| 21:00 | NZ | Westpac Consumer Confidence | 80.4 | 82.3 | 76.05 | Low | |
| 22:45 | NZ | Current Account | -1.01 | -2.57 | -2.56 | Medium | |
| 22:45 | NZ | Current Account | -1.01 | -7.5 | -7.49 | Medium | |