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Should Value Investors Buy Rio Tinto (RIO) Stock?

By Zacks Equity Research | November 19, 2025, 9:41 AM

Here at Zacks, we focus on our proven ranking system, which places an emphasis on earnings estimates and estimate revisions, to find winning stocks. But we also understand that investors develop their own strategies, so we are constantly looking at the latest trends in value, growth, and momentum to find strong companies for our readers.

Of these, value investing is easily one of the most popular ways to find great stocks in any market environment. Value investors use tried-and-true metrics and fundamental analysis to find companies that they believe are undervalued at their current share price levels.

In addition to the Zacks Rank, investors looking for stocks with specific traits can utilize our Style Scores system. Of course, value investors will be most interested in the system's "Value" category. Stocks with "A" grades for Value and high Zacks Ranks are among the best value stocks available at any given moment.

One stock to keep an eye on is Rio Tinto (RIO). RIO is currently sporting a Zacks Rank #2 (Buy) and an A for Value. The stock holds a P/E ratio of 9.99, while its industry has an average P/E of 15.78. Over the past year, RIO's Forward P/E has been as high as 10.78 and as low as 8.49, with a median of 9.64.

Another notable valuation metric for RIO is its P/B ratio of 1.26. The P/B ratio is used to compare a stock's market value with its book value, which is defined as total assets minus total liabilities. This stock's P/B looks solid versus its industry's average P/B of 1.58. RIO's P/B has been as high as 1.56 and as low as 1.13, with a median of 1.31, over the past year.

These are only a few of the key metrics included in Rio Tinto's strong Value grade, but they help show that the stock is likely undervalued right now. When factoring in the strength of its earnings outlook, RIO looks like an impressive value stock at the moment.

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This article originally published on Zacks Investment Research (zacks.com).

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