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Mosaic (MOS) Stock Looks Cheap After A 39% One Year Fall
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Mosaic stock has fallen sharply over the past year, yet the current share price still screens as cheap, with both the Discounted Cash Flow (DCF) intrinsic value estimate and market multiples pointing to meaningful undervaluation versus where the market is pricing it today.

  • Mosaic shares are down about 38.9% over the past year, which sets up a valuation story in which sentiment has weakened far more than the underlying checks suggest.
  • On the one hand, government support for fertilizer production and Mosaic's low cost potash and phosphate platform can help underpin long term cash generation. On the other hand, exposure to a fertilizer downturn and segment level losses may weigh on how much value investors are prepared to ascribe right now.
  • Across the broader checks, Mosaic looks inexpensive, with the company screening as undervalued on 6 out of 6 measures, which aligns with the DCF estimate pointing to the stock trading at a 46.0% discount to intrinsic value.

The issue now is whether Mosaic's weak recent share performance and cyclical risks already reflect the key concerns, or if the apparent discount to intrinsic value still leaves too much uncertainty priced in.

Find out why Mosaic's -38.9% return over the last year is lagging behind its peers.

Is Mosaic Still Cheap on Cash Flow?

The Discounted Cash Flow (DCF) model estimates what Mosaic stock could be worth based on projected future cash generation, adjusted back to today.

For Mosaic, the latest twelve month free cash flow shows a use of cash of about $502 million. The DCF framework assumes cash flows recover over time and supports an intrinsic value estimate of about $39.86 per share. Compared with the current share price, that implies the stock trades at roughly a 46.0% discount to this intrinsic value, which represents a wide gap for a business with an established potash and phosphate platform.

Because the US Department of Agriculture is committing $500 million to support fertilizer production, the market may be weighing industry investment needs and cycle risks more heavily than the cash flow projections suggest.

On these DCF assumptions, Mosaic stock appears undervalued relative to its estimated intrinsic value.

Our Discounted Cash Flow (DCF) analysis suggests Mosaic is undervalued by 46.0%. Track this in your watchlist or portfolio, or discover 44 more high quality undervalued stocks.

MOS Discounted Cash Flow as at Jul 2026
MOS Discounted Cash Flow as at Jul 2026

Head to the Valuation section of our Company Report for more details on how we arrive at this Fair Value for Mosaic.

Is Mosaic a Bargain on Sales?

P/S is a useful cross check for Mosaic because it relates the stock price directly to the revenue being generated, without getting tangled in near term earnings swings.

Mosaic trades on a P/S multiple of about 0.6x, compared with an industry average of roughly 1.1x and a peer group closer to 1.2x. Based on the Fair Ratio of around 0.9x, which blends Mosaic's industry, risk profile and other fundamentals into a tailored benchmark, the current P/S sits well below what this framework suggests investors might usually pay for the stock.

This gap indicates the market is assigning a lower value to each dollar of Mosaic's sales than both the broader chemicals sector and the Fair Ratio imply.

On the P/S multiple, Mosaic stock appears undervalued relative to both its industry and the Fair Ratio benchmark.

NYSE:MOS P/S Ratio as at Jul 2026
NYSE:MOS P/S Ratio as at Jul 2026

See what the numbers say about this price — find out in our valuation breakdown.

The Mosaic Narrative: What Would Justify Today's Price?

Simply Wall St Narratives for Mosaic pick up where this valuation puzzle leaves off, by spelling out the specific assumptions about Mosaic's future growth, margins and earnings that would need to hold for the stock to be worth materially more or less than today's price, and they sit on the company's Community page. Each one turns its fair value view into a thesis about Mosaic's business that you can track over time to see how it holds up against new information.

The community is split on Mosaic, with one side focused on margin recovery and new products, and the other worried about regulation and fertilizer demand.

Bull case: 38% undervalued

"Mosaic's leadership in advanced fertilizer solutions, particularly through Mosaic Biosciences, positions it to capitalize on the accelerating shift toward precision agriculture and higher-value specialty products..."

Read the full Bull Case to see why Mosaic could be undervalued

Bear case: 8% overvalued

"Rapid advancements in precision agriculture and alternative nutrient technologies threaten to undermine long-term demand for Mosaic's traditional phosphate and potash products..."

Read the full Bear Case to see why Mosaic could be overvalued

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

The Bottom Line

Mosaic screens as undervalued on both the Discounted Cash Flow (DCF) intrinsic value estimate and on sales-based multiples, and the broader valuation checks look strong. That gap between price and estimated value will likely stay open or close depending on whether cash flows and margins in its potash and phosphate operations stabilize in line with the intrinsic value assumptions. For now, the key question for investors is whether the current discount reflects excessive pessimism about fertilizer demand and regulation, or a fair penalty for the cycle and execution risks that have already been flagged.

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.

Disclaimer:This article represents the opinion of the author only. It does not represent the opinion of Webull, nor should it be viewed as an indication that Webull either agrees with or confirms the truthfulness or accuracy of the information. It should not be considered as investment advice from Webull or anyone else, nor should it be used as the basis of any investment decision.
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