Recent appointments at Invest in Canada, including Dominic Barton as chair and Gurinder Grewal as CEO, have sharpened attention on future flows into Canadian critical minerals. In that context, there is renewed interest in Rio Tinto Group (LSE:RIO) and its exposure to these resources.
Rio Tinto Group’s share price has moved to £75.77, with a 30 day share price return of 6.88% and a year to date share price return of 26.58%, while the 1 year total shareholder return of 72.31% points to strong momentum behind the stock.
Scan other critical minerals leaders that are moving on similar themes as Rio Tinto Group with our curated list of 29 best rare earth metal stocks to see how the broader opportunity set compares.
After a strong 1 year run and only a small discount to current analyst targets, Rio Tinto Group now sits at the point where opinions split. Is the market being too cautious on critical minerals exposure, or not cautious enough?
Most Popular Narrative: 0% Overvalued
Rio Tinto Group’s most followed narrative points to a fair value of £75.50, which is almost exactly in line with the last close at £75.77. The story focuses on how future growth in copper and lithium could balance long term iron ore and macro risks.
Diversification into battery metals (lithium, copper) through acquisitions and organic project delivery positions Rio Tinto to capture rising demand in electric vehicles, stationary energy storage, and grid infrastructure. These are expected to have structurally higher pricing and margins than mature bulk commodities, which may support earnings and margin resilience.
Read the complete narrative. Read the complete narrative.
Want to see what sits behind that fair value call for Rio Tinto Group? The narrative is based on measured revenue growth, firmer margins and a future earnings multiple that still trails many peers. It highlights which assumptions carry the model and how sensitive that £75.50 figure is to even small changes in demand or pricing.
Result: Fair Value of £75.50 (OVERVALUED)
Have a read of the narrative in full and understand what’s behind the forecasts.
However, Rio Tinto Group still faces meaningful risks related to weaker pricing for key commodities and higher leverage from new metals projects, which could pressure margins and cash generation.
Find out about the key risks to this Rio Tinto Group narrative.
Another View on Rio Tinto Group’s Valuation
The first narrative frames Rio Tinto Group as slightly overvalued around £75.77 against a fair value of £75.50. Yet on a simple P/E basis of 13.7x, the stock trades below the UK market at 16.3x and below the UK Metals and Mining industry at 14.9x, while the fair ratio is 21.1x. If earnings keep tracking analyst assumptions, one question is whether the main risk is that the market moves closer to that fair ratio.
See what the numbers say about this price — find out in our valuation breakdown.
LSE:RIO P/E Ratio as at Sep 2026 Next Steps
Mixed views on Rio Tinto Group are clear, so if you want to move quickly and shape your own view, weigh the 2 key rewards and 1 important warning sign.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
Companies discussed in this article include RIO.L.
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