PLAG vs AMTX vs GEVO vs PLUG

For growth investors, Gevo, Inc.

(GEVO) is the stronger pick with 849. 3% revenue growth year-over-year, versus -61. 9% for Planet Green Holdings Corp. (PLAG). Analysts rate Aemetis, Inc. (AMTX) a "Buy" — based on 7 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.

Over the past 5 years, Gevo, Inc.

(GEVO) delivered a total return of -65. 2%, compared to -89. 6% for Planet Green Holdings Corp. (PLAG). Over 10 years, the gap is even starker: PLUG returned +62. 2% versus PLAG's -99. 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), Planet Green Holdings Corp.

(PLAG) is the lower-risk stock at 1. 36β versus Plug Power Inc. 's 2. 57β — meaning PLUG is approximately 89% more volatile than PLAG relative to the S&P 500. On balance sheet safety, Planet Green Holdings Corp. (PLAG) carries a lower debt/equity ratio of 18% versus 20% for Plug Power Inc. — giving it more financial flexibility in a downturn.

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

(GEVO) is pulling ahead at 849. 3% versus -61. 9% for Planet Green Holdings Corp. (PLAG). On earnings-per-share growth, the picture is similar: Plug Power Inc. grew EPS 100. 0% year-over-year, compared to 33. 0% for Aemetis, Inc.. 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.

Gevo, Inc.

(GEVO) is the more profitable company, earning -21. 1% net margin versus -229. 8% for Plug Power Inc. — meaning it keeps -21. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PLUG leads at 38. 1% versus -99. 0% for PLAG. At the gross margin level — before operating expenses — PLUG leads at 99. 8%, 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.

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, Planet Green Holdings Corp.

(PLAG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. Plug Power Inc. (PLUG) carries a higher beta of 2. 57 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (PLAG: -99. 3%, PLUG: +62. 2%), 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 (PLAG (Consumer Defensive) and AMTX (Energy) and GEVO (Basic Materials) and PLUG (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: PLAG is a small-cap quality compounder stock; AMTX is a small-cap quality compounder stock; GEVO is a small-cap high-growth stock; PLUG 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.