UAMY vs MP vs UUUU vs CENX

For growth investors, United States Antimony Corporation (UAMY) is the stronger pick with 162.

8% revenue growth year-over-year, versus -15. 6% for Energy Fuels Inc. (UUUU). Century Aluminum Company (CENX) offers the better valuation at 144. 2x trailing P/E (5. 8x forward), making it the more compelling value choice. Analysts rate United States Antimony Corporation (UAMY) a "Buy" — based on 4 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On forward P/E, Century Aluminum Company is actually cheaper at 5.

8x.

Over the past 5 years, United States Antimony Corporation (UAMY) delivered a total return of +1161%, compared to +149.

7% for MP Materials Corp. (MP). Over 10 years, the gap is even starker: UAMY returned +37. 0% versus MP's +591. 3%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), MP Materials Corp.

(MP) is the lower-risk stock at 1. 40β versus United States Antimony Corporation's 1. 88β — meaning UAMY is approximately 34% more volatile than MP relative to the S&P 500. On balance sheet safety, United States Antimony Corporation (UAMY) carries a lower debt/equity ratio of 0% versus 99% for Energy Fuels Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), United States Antimony Corporation (UAMY) is pulling ahead at 162.

8% versus -15. 6% for Energy Fuels Inc. (UUUU). On earnings-per-share growth, the picture is similar: MP Materials Corp. grew EPS 12. 3% year-over-year, compared to -150. 0% for United States Antimony Corporation. Over a 3-year CAGR, UUUU leads at 74. 0% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Century Aluminum Company (CENX) is the more profitable company, earning 1.

7% net margin versus -129. 9% for Energy Fuels Inc. — meaning it keeps 1. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CENX leads at 6. 3% versus -153. 4% for UUUU. At the gross margin level — before operating expenses — UAMY leads at 25. 2%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Century Aluminum Company (CENX) trades at 5.

8x forward P/E versus 274. 3x for MP Materials Corp. — 268. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for CENX: 25. 5% to $76. 00.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, MP Materials Corp.

(MP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+591. 3% 10Y return). United States Antimony Corporation (UAMY) carries a higher beta of 1. 88 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (MP: +591. 3%, UAMY: +37. 0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (UAMY (Basic Materials) and MP (Basic Materials) and UUUU (Energy) and CENX (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: UAMY is a small-cap high-growth stock; MP is a mid-cap high-growth stock; UUUU is a small-cap quality compounder stock; CENX is a small-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.