Commonwealth Bank|178 Price, 135 Target

The Premium and the Warning

Commonwealth Bank shares closed at one hundred seventy eight dollars sixty six cents on Wednesday, and UBS still says the stock is worth twenty four per cent less than that. The broker has kept a sell rating and a twelve month target of one hundred thirty five dollars, arguing that even a strong result from CBA on August twelve would not justify today's price. That is an unusually blunt call on the most-owned bank stock in the country.

UBS analysts John Storey and Nicholas Sobolev put a number on the gap. CBA trades at twenty six point six times forecast earnings, against fifteen point eight times across NAB, Westpac and ANZ combined. Investors are paying three dollars seventy for every dollar of CBA's net assets, more than double the average of its major rivals. They called the bank fully valued, and pointed out its last update triggered its largest sell-off since IPO after provisions for loan losses rose.

Yet the market has not been pricing in that warning. Over the past six months CBA shares rose fourteen per cent while the broader ASX two hundred fell zero point three per cent. Over six weeks CBA closed a twelve billion dollar gap with BHP for the title of Australia's biggest listed company, climbing to a market capitalisation near two hundred ninety three billion dollars. The valuation argument and the price action are moving in opposite directions, and that is the tension the August twelve result has to resolve.

Cutting Costs While Under Scrutiny

Part of the case for CBA's premium is cost discipline through AI. The bank has cut hundreds of contractor roles at a Johannesburg call centre after deploying AI across its customer chat service, and its own chat platform is now resolving nearly nine in ten customer conversations without a human agent. The Finance Sector Union has documented two hundred seventy six redundancies in July across technology, operations and HR, and close to eight hundred roles cut across 2026.

The union has lodged a formal dispute at the Fair Work Commission, arguing the bank has no financial justification for cuts of this scale, since CBA posted a net profit of five point four four billion dollars for the first half of the twenty twenty five to twenty six financial year, up six per cent on the prior year. CBA's chief executive Matt Comyn has committed to a ninety million dollar Future Workforce Program, but whether that commitment reaches contractor supply chains, where these cuts are landing, remains unresolved in the reporting so far.

That reframes what the AI cost story means for the stock. The efficiency gains that support CBA's premium valuation are the same actions generating a labour dispute and reputational exposure through offshore contractor arrangements. A holder reading only the earnings trajectory sees discipline; a holder reading the Fair Work Commission dispute sees a governance question that could resurface publicly before or around the August result.

What August 12 Actually Has to Prove

CBA reports its full year result on August twelve. UBS expects cash earnings to rise six per cent, broadly matching market forecasts, but its concern was never the earnings number itself. It is whether investor mortgage growth and CBA's share of new lending hold up under fiercer competition for existing borrowers, since any sign of margin pressure lands on a stock already priced for a flawless outcome.

UBS's positioning outside CBA sharpens the point. The broker upgraded Westpac from neutral to buy, lifting its target from thirty eight dollars eighty to forty five dollars, and named NAB its other preferred major with a target lifted to fifty dollars, citing strength in business and institutional banking tied to AI, data centre and infrastructure lending. That is a broker actively rotating conviction away from CBA toward its cheaper peers, not merely flagging a valuation gap in the abstract.

CBA heads into its result carrying the highest multiple among the majors, a live labour dispute over how its cost savings were achieved, and a broker that has already put its money on cheaper alternatives. None of that means the stock must fall. It means the premium has stopped being self-evidently justified by past performance and now depends on August twelve delivering a result with no room for the kind of provisioning surprise that triggered CBA's steepest sell-off since its listing last time investors were disappointed.