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Data from Reserve Bank of Australia. Forecasts by Sigmanomics Forecast Engine.
AustraliaAustralia RBA Trimmed Mean CPI MoM climbed to 0.3% in September 2026
Reserve Bank of AustraliaMonthlyReleased October 2026
Australia RBA Trimmed Mean CPI MoM climbed to 0.3% in September 2026, released October 2026, up 0.1% from August's 0.2% reading. The reading matched expectations. The print is running well below the 12-month average of 0.34%. Over the past 3 months, RBA Trimmed Mean CPI MoM averaged 0.35%, vs 0.33% in the prior 3-month window.
Latest Release
0.3
Actual
0.3
Consensus
0.2
Previous
Median Absolute Error
±0.11 percentage points
across last 6 releases
Last Call
Oct 2026
Predicted: 0.33
Actual: 0.3
Error: +0.03
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
RBA Trimmed Mean CPI MoM (Australia) was reported at 0.3% in October 2026. This matched the market consensus of 0.3% exactly. The reading rose from the previous value of 0.2%. Trailing 12-month context per ETL data through October 2026. Over the past 12 months, the indicator has averaged 0.33%, ranging from 0.2% to 0.5% across 6 releases. This is classified as a high-impact indicator released on a monthly basis.
WHY IT MATTERS
The trailing three releases averaged 0.33%, unchanged from the prior three.
THE MODEL'S TAKE
Over the last 6 releases, the Sigmacast model's median absolute error is 0.11%.
WHAT TO WATCH NEXT
The next release is scheduled for November 25, 2026. Same-country events in the next 14 days include CFTC AUD speculative net positions (Oct 30) and Building Permits MoM (Nov 2).
Auto-generated from current model state · Refreshes on each release · Last update October 2026.
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RBA Trimmed Mean CPI MoM - AU
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About RBA Trimmed Mean CPI MoM — Australia
DEFINITION
Australia's RBA Trimmed Mean CPI MoM rose 0.300000% in October, matching estimates and up from September's 0.200000%. The inflation gauge showed a moderate acceleration month-over-month, signaling persistent price pressures. Market participants will closely watch upcoming data for further clues on the Reserve Bank's policy direction. Updated 10/28/26
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. Surprises against consensus can drive short-term moves, particularly when the print breaks an established trend. Released monthly.
WHAT CHANGED THIS MONTH
Latest reading (Sep 2026): actual 0.3 %, consensus 0.3 %. Prior reading (Aug 2026): 0.2 %. Before that (Jul 2026): 0.5 %.
WHAT'S NEXT
Sigmacast's 1-month forecast points to a similar reading versus the latest print. The 1-month and 3-month horizons disagree, suggesting a mixed signal. Trend-driven dynamics are the primary neutral force in the current projection.
Σ
EXPECTED ZONE
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Economic Calendar - AU Events
| Thursday, October 29, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
|---|---|---|---|---|---|---|---|
| 00:30 | AU | Import Prices QoQ | -1.1 | 5.7 | 1.3 | 0.10 | Low |
| 00:30 | AU | Export Prices QoQ | 1.4 | 1.1 | 1.3 | 1.35 | Low |
| Friday, October 30, 2026 | Actual | Previous | Consensus | Sigmanomics Rolling-Surprise Forecast | Impact | ||
| 00:30 | AU | Private Sector Credit YoY | 8.4 | 8.4 | 8.2 | 8.32 | Low |
| 00:30 | AU | Housing Credit MoM | 0.4 | 0.4 | 0.4 | 0.43 | Low |
| 00:30 | AU | Private Sector Credit MoM | 0.6 | 0.6 | 0.5 | 0.57 | Low |
| 00:30 | AU | Producer Price Index QoQ | 1.1 | 1.3 | 1 | 1.27 | Medium |
| 00:30 | AU | Producer Price Index YoY | 3.6 | 3.6 | 4.5 | 4.55 | Low |