CLNE vs UGI vs AMTX vs GEVO vs REX

For growth investors, Gevo, Inc.

(GEVO) is the stronger pick with 849. 3% revenue growth year-over-year, versus -22. 9% for REX American Resources Corporation (REX). UGI Corporation (UGI) offers the better valuation at 10. 5x trailing P/E (10. 6x forward), making it the more compelling value choice. Analysts rate Clean Energy Fuels Corp. (CLNE) a "Buy" — based on 22 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 trailing P/E, UGI Corporation (UGI) is the cheapest at 10.

5x versus REX American Resources Corporation at 29. 5x. On forward P/E, UGI Corporation is actually cheaper at 10. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: REX American Resources Corporation wins at 1. 18x versus UGI Corporation's 2. 60x — a reasonable growth-adjusted valuation.

Over the past 5 years, REX American Resources Corporation (REX) delivered a total return of +250.

0%, compared to -76. 1% for Aemetis, Inc. (AMTX). Over 10 years, the gap is even starker: REX returned +464. 7% versus GEVO's -98. 6%. 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), UGI Corporation (UGI) is the lower-risk stock at 0.

27β versus Gevo, Inc. 's 1. 64β — meaning GEVO is approximately 517% more volatile than UGI relative to the S&P 500. On balance sheet safety, REX American Resources Corporation (REX) carries a lower debt/equity ratio of 3% versus 158% for UGI Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Gevo, Inc.

(GEVO) is pulling ahead at 849. 3% versus -22. 9% for REX American Resources Corporation (REX). On earnings-per-share growth, the picture is similar: UGI Corporation grew EPS 147. 2% year-over-year, compared to -173. 0% for Clean Energy Fuels Corp.. Over a 3-year CAGR, GEVO leads at 415. 1% 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.

UGI Corporation (UGI) is the more profitable company, earning 9.

3% net margin versus -52. 3% for Clean Energy Fuels Corp. — meaning it keeps 9. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: UGI leads at 15. 2% versus -22. 1% for CLNE. At the gross margin level — before operating expenses — UGI leads at 49. 9%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, REX American Resources Corporation (REX) is the more undervalued stock at a PEG of 1. 18x versus UGI Corporation's 2. 60x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, UGI Corporation (UGI) trades at 10. 6x forward P/E versus 62. 8x for REX American Resources Corporation — 52. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for GEVO: 72. 4% to $3. 50.

In this comparison, UGI (4.

5% yield) pays a dividend. CLNE, AMTX, GEVO, REX do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, UGI Corporation (UGI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

27), 4. 5% yield). Gevo, Inc. (GEVO) carries a higher beta of 1. 64 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (UGI: +9. 6%, GEVO: -98. 6%), 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 (CLNE (Energy) and UGI (Utilities) and AMTX (Energy) and GEVO (Basic Materials) and REX (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CLNE is a small-cap quality compounder stock; UGI is a small-cap deep-value stock; AMTX is a small-cap quality compounder stock; GEVO is a small-cap high-growth stock; REX is a small-cap quality compounder stock. UGI pays a dividend while CLNE, AMTX, GEVO, REX do not, making them suitable for different income and tax situations. 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.