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Westpac IQ

September CPI: Inflation accelerating in the run up to Christmas

October 28 2026 • 5 mins

September Monthly CPI: Headline 0.8%mth/4.3%yr, Trimmed Mean 0.3.%mth/3.6%yr. Market services ex volatile 1.6%mth/4.0%yr.September Quarter CPI: Headline 1.3%qtr/3.9%yr; Trimmed Mean 1.0%qtr/3.7%yr.

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