RBA rate rise seen as 'done deal' after officials' parliamentary appearance, economists say

Markets price 95% chance of September hike; Bullock warns inflation 'too high'

By LineZotpaper
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Reserve Bank governor Michele Bullock and senior officials appeared before federal parliament today, prompting a wave of economists to declare a September interest rate hike all but certain. Financial markets now assign a 95% probability to a rise in the cash rate to 4.6% at the end of the RBA's two-day meeting on September 29, with some economists forecasting further tightening to 4.85%.

The parliamentary appearance capped a fortnight of hawkish communication from the RBA's senior team, including deputy governor Andrew Hauser on the ABC's 7.30 program and chief economist Sarah Hunter at two conferences. The barrage of signals has shifted market expectations sharply.

"September now seems all but a lock," wrote RBC head of economics and rates strategy Robert Thompson in a note. "The barrage of recent RBA communication has left us with little doubt that bank insiders have already made up their minds — a hike in September is the necessary course of action." Thompson, who previously expected a November rise, now sees a peak cash rate of 4.85%.

Governor Bullock warned that inflation in Australia was "too high" and that risks officials had previously flagged as triggers for another rate rise have materialised, according to Financial Review reporting. Former RBA assistant governor and Westpac chief economist Luci Ellis told ABC News yesterday that "the internal members of the board are making noises that they want to go."

Capital Economics' Marcel Thieliant agreed a September hike "now looks like a done deal" but argued it would be the last, saying "monetary policy is already quite restrictive and we think the bank will be wary of causing a sharp rise in the unemployment rate."

Deputy governor Hauser backed a view from US economist Kenneth Rogoff that the era of ultra-low interest rates was an anomaly. "Interest rates were never going to be zero or near zero for a long while," he observed, adding that real long-term rates may now be closer to a "more sensible" level.

Markets also price a 37% chance of a follow-up hike in November, according to LSEG data. If the September rise is confirmed, it would be the fourth increase this year.

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Analysis

Why This Matters

  • Australian homeowners face higher mortgage repayments if the RBA hikes, with variable-rate borrowers already under pressure.
  • A move would signal the RBA is prioritizing inflation control over economic growth, risking a sharper slowdown.
  • The shift in official rhetoric from 'soft landing' to 'inflation too high' marks a pivot that could reshape the economic outlook for 2027.

Background

Australia's central bank has been wrestling with persistent inflation. After pausing earlier in the year, the RBA resumed hiking as price pressures proved stubborn. Governor Bullock had previously maintained a cautiously optimistic tone about achieving a soft landing, but recent data and official commentary suggest that optimism has faded. The September meeting is the last before the board's November decision, and the cumulative signals from Hauser, Hunter, and today's parliamentary appearance have convinced markets that action is imminent.

Key Perspectives

RBA officials: Argue inflation is 'too high' and that risks have materialized. Andrew Hauser suggests higher long-term interest rates are a return to normal, not a temporary spike. Economists (hawkish): Luci Ellis and Robert Thompson see September as appropriate, with Thompson flagging 4.85% as the peak. Markets agree, pricing 95% probability. Economists (cautious): Marcel Thieliant expects one hike and then a pause, warning that over-tightening could spike unemployment. Borrowers and businesses: Face immediate pressure on debt costs; housing market activity may cool further.

What to Watch

  • RBA board decision on September 29 — the exact size of the hike (25bp expected, but 50bp not ruled out by market pricing).
  • Labour force data and inflation prints ahead of the November meeting, which will determine whether a second hike follows.
  • Any further softening of Bullock's rhetoric or dissent within the board.

Sources

Zotpaper

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