WAVE vs CWCO vs MARA vs AMRC vs GPRE

For growth investors, Marathon Digital Holdings, Inc.

(MARA) is the stronger pick with 38. 2% revenue growth year-over-year, versus -77. 3% for Eco Wave Power Global AB (publ) (WAVE). Ameresco, Inc. (AMRC) offers the better valuation at 35. 8x trailing P/E (25. 0x forward), making it the more compelling value choice. Analysts rate Consolidated Water Co. Ltd. (CWCO) a "Buy" — based on 6 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, Ameresco, Inc.

is actually cheaper at 25. 0x.

Over the past 5 years, Consolidated Water Co.

Ltd. (CWCO) delivered a total return of +197. 4%, compared to -59. 5% for Marathon Digital Holdings, Inc. (MARA). Over 10 years, the gap is even starker: AMRC returned +542. 4% versus WAVE's -56. 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), Consolidated Water Co.

Ltd. (CWCO) is the lower-risk stock at 0. 76β versus Marathon Digital Holdings, Inc. 's 3. 11β — meaning MARA is approximately 309% more volatile than CWCO relative to the S&P 500. On balance sheet safety, Consolidated Water Co. Ltd. (CWCO) carries a lower debt/equity ratio of 0% versus 173% for Ameresco, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Marathon Digital Holdings, Inc.

(MARA) is pulling ahead at 38. 2% versus -77. 3% for Eco Wave Power Global AB (publ) (WAVE). On earnings-per-share growth, the picture is similar: Ameresco, Inc. grew EPS -22. 4% year-over-year, compared to -314. 5% for Marathon Digital Holdings, Inc.. Over a 3-year CAGR, WAVE leads at 13. 7% 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.

Consolidated Water Co.

Ltd. (CWCO) is the more profitable company, earning 13. 9% net margin versus -97. 3% for Eco Wave Power Global AB (publ) — meaning it keeps 13. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CWCO leads at 139015% versus -84. 2% for WAVE. At the gross margin level — before operating expenses — CWCO leads at 36. 6%, 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, Ameresco, Inc.

(AMRC) trades at 25. 0x forward P/E versus 46. 6x for Green Plains Inc. — 21. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AMRC: 45. 5% to $43. 17.

In this comparison, CWCO (100.

0% yield) pays a dividend. WAVE, MARA, AMRC, GPRE do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Consolidated Water Co.

Ltd. (CWCO) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 76), 100. 0% yield, +155. 1% 10Y return). Marathon Digital Holdings, Inc. (MARA) carries a higher beta of 3. 11 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CWCO: +155. 1%, MARA: -51. 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 (WAVE (Utilities) and CWCO (Utilities) and MARA (Financial Services) and AMRC (Industrials) and GPRE (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: WAVE is a small-cap quality compounder stock; CWCO is a small-cap income-oriented stock; MARA is a small-cap high-growth stock; AMRC is a small-cap quality compounder stock; GPRE is a small-cap quality compounder stock. CWCO pays a dividend while WAVE, MARA, AMRC, GPRE 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.