K+S AG (SDF.DE) Stock Analysis & Winston Score
K+S AG is a German company that mines and sells potash and salt. Potash is a mineral used to make fertilizers that help crops grow, so K+S mainly sells to farmers and agricultural companies around the world. Salt is its other big business — K+S is one of Europe's largest salt producers, selling to food companies, chemical makers, and governments that need it for de-icing roads in winter. K+S makes money by extracting these minerals from underground mines and selling them in bulk. It operates primarily in Europe and the Americas, with major mining sites in Germany and Canada. The company's main competitive advantage is owning large, long-life mineral deposits that are hard to replicate. However, the negative margins shown here signal serious pressure — potash prices have fallen sharply from their 2022 highs, and K+S carries significant production costs at its older German mines, making profitability highly sensitive to commodity price swings.
Winston Score: 60/100 — Good
A decent business — some strong pillars, some weaker.
- Quality: Exceptional (29/30)
- Growth: Mixed (7/20)
- Cash Flow: Mixed (4/10)
- Stability: Exceptional (10/10)
- Valuation: Good (6/10)
- Ownership: Weak (1/15)
Key Facts
Price: €16.38
Market Cap: €2.9B
Sector: Basic Materials
Industry: Agricultural Inputs
Exchange: Frankfurt Stock Exchange

