RBA September Hike Odds Surge Above 70% as AUD/NZD Breaks Key Resistance

Key Facts

In a move reflecting mounting inflationary pressures and hawkish monetary policy expectations, markets have significantly increased bets on imminent action by the Reserve Bank of Australia (RBA). According to reports, markets are now pricing a 71.2% probability of a rate hike in September, a substantial rise from the 57% seen following recent GDP data. This shift in sentiment is driven by continued hawkish rhetoric from central bank officials and economic data supporting the need for further tightening.

The divergence in interest rate expectations has had a direct impact on the forex market, where the AUD/NZD cross successfully broke above the 1.2283 resistance level. This momentum is fueled by expectations of a widening interest rate differential in favor of the Australian Dollar. Analysts suggest that rising energy costs, with Australian petrol prices approaching $2.10 a litre and Brent crude exceeding $100 a barrel, are providing additional pressure on the RBA to act.

Looking ahead, traders are focused on the RBA meeting scheduled for September 30, 2026, for definitive guidance on the rate path. While real-time instrument pricing is unavailable in this update, the 1.2211 level remains a critical support for AUD/NZD to maintain its current bullish structure. Market participants will also monitor any further central bank communications leading up to the month-end decision to gauge the sustainability of this hawkish trend.