CommBank had previously expected the RBA to leave rates unchanged for the rest of this year as economic growth slowed and inflation gradually eased.
That broader economic picture has not changed significantly. Growth has slowed from an above-trend pace, the housing market has weakened, and more workers have become available for employers, although the labour market still remains tight overall. There are also signs households have pulled back on spending.
But inflation has proved more persistent than expected.
Allen said the July CPI result was significant because the strength in the prices of goods and services extended beyond volatile categories like fuel and travel.
“The July CPI surprise was broader than simply a reversal of unusually weak fuel and travel outcomes in June,” she said.
“The renewed strength across a range of underlying and domestically influenced prices suggests the pace of disinflation has stalled.”
CommBank now expects September-quarter trimmed mean inflation is more likely to come in at 0.9 per cent or higher, compared with the RBA’s implied forecast of 0.8 per cent.