• If you are wondering whether Mosaic's current share price reflects its true worth, you are not alone. This article focuses squarely on what the stock might be telling you about value.
• Mosaic's share price closed at US$21.09 and has fallen 7.9% over the past week, 5.8% over the past month, 15.7% year to date, and 36.9% over the past year. These moves can shift how investors think about both risk and future potential.
• Recent coverage of Mosaic has highlighted ongoing interest in fertilizer producers and how investors are weighing sector specific pressures against long term demand for agricultural inputs. This backdrop helps explain why sentiment around the stock has been sensitive, with price moves reflecting changing views on how those factors may affect Mosaic in particular.
• On Simply Wall St's valuation checks Mosaic scores 3 out of 6. This means the stock screens as undervalued on half of the metrics assessed. The sections that follow will walk through these valuation methods in detail before finishing with a broader framework that can help you think about value beyond any single model.

Approach 1: Mosaic Discounted Cash Flow (DCF) Analysis

The Discounted Cash Flow model estimates what a stock could be worth by projecting the company’s future cash flows and then discounting them back to today’s value using a required rate of return.

For Mosaic, the model used is a 2 Stage Free Cash Flow to Equity approach, based on cash flow projections in $. The latest twelve month free cash flow is a loss of $501.62 million, so the model relies heavily on expectations for a recovery and future cash generation.

Analyst and extrapolated projections point to free cash flow rising into the hundreds of millions of dollars over the next decade, with estimates such as $325.90 million in 2026, $594.86 million in 2027, and $800 million by 2030. Simply Wall St discounts each of these projected cash flows back to today using its chosen rate, and then sums them to reach an estimated intrinsic value of $38.31 per share.

Against Mosaic’s recent share price of $21.09, the DCF output suggests the stock trades at a 44.9% discount, which screens as meaningfully undervalued on this model alone.

Result: UNDERVALUED

Our Discounted Cash Flow (DCF) analysis suggests Mosaic is undervalued by 44.9%. Track this in your watchlist or portfolio, or discover 46 more high quality undervalued stocks.

Approach 2: Mosaic Price vs Earnings

For profitable companies, the P/E ratio is a common way to think about value because it links what you pay for each share to the earnings that support that share. A higher or lower P/E often reflects what the market is willing to pay for those earnings based on expectations and perceived risk.

Growth expectations and risk usually drive what looks like a “normal” or “fair” P/E. Faster expected earnings growth or lower perceived risk can justify a higher multiple, while slower growth or higher uncertainty tends to align with a lower one.

Mosaic currently trades on a P/E of 148.96x. That is well above the Chemicals industry average of 28.11x and the peer average of 16.17x. Simply Wall St also calculates a proprietary “Fair Ratio” for Mosaic of 43.87x. This Fair Ratio is designed to reflect factors such as the company’s earnings growth profile, profit margins, industry, market value and risk characteristics, rather than relying only on broad peer or sector comparisons.

Because the Fair Ratio pulls these company specific inputs together, it can offer a more tailored anchor than raw industry or peer multiples. Compared with this Fair Ratio, Mosaic’s actual P/E of 148.96x screens as higher. This suggests the stock looks expensive on this measure.

Result: OVERVALUED

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Upgrade Your Decision Making: Choose your Mosaic Narrative

Earlier it was mentioned that there is an even better way to understand valuation. This is where Narratives come in, giving you a simple story that links your view of Mosaic to your own forecast and fair value instead of relying only on headline ratios like the P/E.

A Narrative is your explanation of what you think is happening at Mosaic and in its fertilizer markets, paired with your assumptions for future revenue, earnings and margins, which then produces a fair value that matches your story.

On Simply Wall St, Narratives sit in the Community page and are designed to be easy to use. This allows you to compare your Mosaic Narrative with others and see how different stories translate into different fair values and potential buy or sell decisions when stacked against the current share price.

Because Narratives on the platform are refreshed when new information appears, such as earnings updates or news about issues like phosphate margins or regulatory probes, your story and fair value can move with the data rather than staying frozen.

For Mosaic, one Narrative might lean toward the higher fair value of US$40.00 that assumes stronger growth and margin expansion, while another might sit closer to US$19.36, reflecting concerns about costs, regulation and weaker demand. This shows how two reasonable perspectives can justify very different views on whether the current US$21.09 price looks attractive or stretched.

For Mosaic, however, we will make it really easy for you with previews of two leading Mosaic Narratives:

These give you a clear bull and bear framework that ties together the DCF work, the current P/E, and the sector backdrop into simple, testable stories you can compare with your own view.

Fair value in this bull case Narrative: US$26.82 per share

Implied undervaluation vs the recent US$21.09 share price: about 21.3%

Analyst revenue growth assumption used in this Narrative: 59.8%

• Analysts expect profit margins to move from 0.4% to 3.3% over the next few years, with earnings reaching US$421.4 million by around June 2029 if those assumptions hold.
• The fair value of US$26.82 sits below the most bullish analyst target of US$35.00 and above the most cautious target of US$19.00, so it represents a mid range outcome within the analyst spread.
• To line up with this Narrative, you would need to be comfortable with revenue of US$12.7b, earnings of US$421.4 million and a future P/E of 26.0x on those earnings, discounted at 8.5%.

Fair value in this bear case Narrative: US$19.36 per share

Implied overvaluation vs the recent US$21.09 share price: about 8.9%

Analyst revenue growth assumption used in this Narrative: 3.2% decline

• This Narrative anchors to the lower end of the analyst range, with a fair value of US$19.36 that sits close to the most bearish target of US$19.00 and well below the consensus of about US$26.98.
• Bearish analysts in this scenario still model earnings rising to US$312.5 million by about May 2029, but on the back of declining revenue and thinner margins than the bull case assumes.
• To agree with this view, you would need to expect revenue of roughly US$11.3b, earnings of US$312.5 million and a future P/E of 25.4x on those earnings, using a discount rate of 8.6%.

Taken together, these two Narratives frame a fair value range of roughly US$19.36 to US$26.82 around Mosaic’s recent US$21.09 share price. Your own conclusion will depend on which set of assumptions about revenue, margins and risk feels closer to what you think is realistic for the business.

To see how other investors are joining the dots between these numbers, risks and opportunities, and to track how the story updates as new earnings and guidance come through, head straight to the live Narrative set for Mosaic, including the full bull and bear views and the broader community range of scenarios, via the Mosaic Community Narratives on Simply Wall St.

To see how these results tie into long-term growth, risks, and valuation, check out the full range of community narratives for Mosaic on Simply Wall St. Add the company to your watchlist or portfolio so you'll be alerted when the story evolves.

Do you think there's more to the story for Mosaic? Head over to our Community to see what others are saying!

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.