Knowing which ASX 200 shares to avoid can be just as important as knowing which ones to buy for the overall health of a portfolio.
With that in mind, let's now take a look at three shares experts are telling investors to sell, courtesy of The Bull.
Here's what they are bearish on this week:
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National Australia Bank Ltd (ASX: NAB)
Family Financial Solutions is urging investors to sell NAB shares. It believes the big four bank is "materially overvalued" and thinks investors would be better off redeploying capital elsewhere. It explains:
NAB is Australia's largest business bank, benefiting from an oligopolistic market structure. Statutory net profit of $6.759 billion in full year 2025 was down 2.9 per cent on the prior corresponding period. A credit impairment charge of $833 million was up from $728 million in the previous year. In our view, the shares are materially overvalued and leave little margin for error. Capital is better redeployed into discounted quality.
Northern Star Resources Ltd (ASX: NST)
Alto Capital believes that this gold giant is an ASX 200 share to sell this week. It believes that the risk-reward is unfavourable for buyers given how much upside is already built into the gold miner's share price. It explains:
Northern Star's share price has performed strongly, supported by higher gold prices and improved sentiment towards large market capitalisation producers. However, the company's most recent production report disappointed, with output and cost guidance undershooting market expectations. While the longer term outlook for gold remains positive, recent operational softness tempers near term confidence. With much of the upside already reflected in the share price, the risk-reward balance favours taking profits at current levels.
Wesfarmers Ltd (ASX: WES)
The team at Family Financial Solutions has also named this conglomerate as an ASX 200 share to sell.
It thinks that the Bunnings and Kmart owner's shares are trading at a lofty premium and better returns could be achieved elsewhere. It said:
This industrial conglomerate owns high quality businesses, such as Bunnings and Kmart Group. The company is diversified, with other businesses including Officeworks, Wesfarmers Chemicals, Energy and Fertilisers and industrial safety. Diversification is a benefit as it spreads risk. However, in our view, the stock remains significantly overvalued, with optimism already priced in. The stock was recently trading on a lofty price/earnings ratio above 32 times, so it's exposed to a correction on signs of any weakness. We would be inclined to trim holdings and re-invest the proceeds in stocks offering better value.
