SYDNEY, March 28, 2026, 08:15 AEDT
Commonwealth Bank of Australia shares changed hands at A$173.63 late Friday, following the bank’s warning that the oil shock may lift inflation to roughly 5.4% by mid-2026—raising the odds of another Reserve Bank of Australia rate hike. In delayed trade, the stock ticked 0.26% higher. 1
This is significant: CBA stands as the country’s largest lender. Investors are watching to see if elevated rates will help prop up earnings for a while, or if pressure on borrowers ends up dragging on credit growth and putting loan quality under strain. 2
CBA’s variable home-loan rates climbed by 25 basis points, effective March 27, following the RBA’s move on March 17 to lift the cash rate to 4.10% in a tight 5-4 decision. “Additional pressure on household budgets” can result from these rate changes, retail banking head Angus Sullivan noted. 3
CBA’s economics team made their view clearer Friday. The bank now forecasts headline inflation landing around 5.4% by mid-2026, assuming Brent crude sits close to $120 a barrel through June. Another RBA rate hike in May is still on the table. “A new layer of complexity,” is how Belinda Allen, who leads Australian economics, described the latest energy spike. 4
The timing was rough. Global markets shifted back to risk-off mode, with stocks slipping and Brent crude jumping 4.2% to $112.57 on Friday, Reuters said, as the Middle East conflict showed no sign of resolution. RBA Assistant Governor Christopher Kent, speaking this week, cautioned that if the war drags on, growth could take a hit and inflation expectations could become unmoored. 5
CBA heads in with recent strength. Back in February, Reuters said the bank delivered a record first-half cash net profit of A$5.45 billion—topping forecasts, thanks to strong momentum in home loans, business lending, and deposits. Shares spiked up to 8.4% that day, marking the biggest single-day surge since March 2020. CBA captured 25.4% of the country’s home-lending market in those results, even as its net interest margin dipped to 2.04% amid tougher competition. “Main highlight was business-bank growth,” noted Michael Haynes, investment analyst at Atlas Funds Management at the time. 2
It’s the same rate narrative playing out across the sector. Earlier this month, Reuters reported that economists from CBA, Westpac, and NAB are all looking for a rate hike from the RBA in March, a sign of just how tightly the major banks are tracking the rate outlook. 6
Still, there’s risk in the trade. Should fuel or mortgage costs push higher, households might tighten spending more than anticipated—raising the odds of souring loans and possibly putting CBA’s valuation under a brighter spotlight. As of March 5, Reuters stock data showed 14 analysts had slapped an Underperform consensus on the lender. 4
The clock is ticking down to CBA’s interim dividend: A$2.35 per share, fully franked and scheduled for March 30. The bank has locked in the dividend reinvestment plan price at A$174.47, information posted on its investor page shows. 7
