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Australian shares flat as miners offset bank losses ahead of RBA

Australian shares flat as miners offset bank losses ahead of RBA
Markets · 2026
Photo · Marcus Devlin for Daily Digest Invest
By Marcus Devlin Equities Correspondent Aug 11, 2026 4 min read

Australian shares ended the session roughly flat, with gains in mining and energy stocks offsetting declines among the country's biggest banks. The muted move came as investors held their positions ahead of the Reserve Bank of Australia's (RBA) interest-rate decision, with the market showing little appetite for big bets either way.

Traders were pricing in a 96.1% chance that the central bank would leave its cash rate unchanged, according to market data. That left only a 3.9% probability of a hike, a reflection of how heavily the outcome was already expected. With the decision so widely anticipated, the index's lack of movement was less about uncertainty and more about a market that had already made up its mind.

Different sectors, different drivers

Beneath the flat headline, the day's trading told a more interesting story. Resource stocks were the clear winners, lifted by firmer prices for metals and oil. Energy companies also gained as crude prices stayed elevated, a trend that has been supported by ongoing supply concerns in the Middle East. For a market as resource-heavy as Australia's, those moves carry significant weight.

On the other side, the "Big Four" banks—Commonwealth Bank, Westpac, NAB, and ANZ—slipped. Financials are sensitive to interest-rate expectations because their profitability is closely tied to the gap between what they pay on deposits and what they earn on loans. When rates are expected to stay put, investors often shift their focus to other factors, such as loan growth or cost pressures, which can weigh on the sector.

The divergence between resources and banks is a familiar pattern in the Australian market. When commodity prices rise, miners and energy firms tend to outperform, while banks often lag. That dynamic was on full display today, even as the overall index barely budged.

What the RBA decision means for investors

For everyday investors, the RBA's decision matters because it directly affects borrowing costs, savings rates, and the broader economy. A hold would mean mortgage holders and businesses continue to face the current level of interest rates, while savers might see little change in deposit rates. It also signals that the central bank sees no urgent need to tighten policy further, which can support consumer confidence and spending.

However, the market's focus is not just on the immediate decision but on what the RBA says about the months ahead. The accompanying statement and any forward guidance will be scrutinised for hints about future moves. If the central bank signals that rates could stay higher for longer, that could pressure rate-sensitive sectors like housing and consumer discretionary. Conversely, any hint of easing would likely boost those areas.

Investors should also keep an eye on global factors. The recent oil price jump has added to inflation concerns worldwide, and the RBA will be mindful of how energy costs feed into domestic prices. Meanwhile, weak US jobs data has fueled bets on Federal Reserve rate cuts, which could influence the RBA's own path. A softer US economy might reduce demand for Australian exports, but it could also ease global inflation pressures.

Looking ahead

With the RBA decision out of the way, attention will likely turn to other market drivers. Commodity prices remain a key factor for the Australian index, given the heavy weighting of miners and energy firms. The shift from tech into energy seen in other markets could also spill over into Australian trading, favouring resource stocks over growth names.

For now, the market's calm suggests that investors are comfortable with the current setup. But as always, surprises can happen. The RBA's statement could contain language that shifts expectations, and any unexpected move would likely trigger a sharp reaction across the index.

For the average investor, the key takeaway is that the Australian market is being pulled in different directions by sector-specific forces. Diversification remains important, as gains in one area can offset losses in another. And while today's session was quiet, the underlying currents—commodity prices, interest-rate expectations, and global economic data—are anything but static.

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