SMXT vs RUN vs SPWR vs SHLS vs ARRY

For growth investors, Sunrun Inc.

(RUN) is the stronger pick with 45. 1% revenue growth year-over-year, versus -57. 5% for Solarmax Technology Inc. Common Stock (SMXT). Sunrun Inc. (RUN) offers the better valuation at 8. 1x trailing P/E (22. 8x forward), making it the more compelling value choice. Analysts rate Sunrun Inc. (RUN) a "Buy" — based on 36 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, Sunrun Inc.

(RUN) is the cheapest at 8. 1x versus Shoals Technologies Group, Inc. at 39. 2x. On forward P/E, SunPower Inc. is actually cheaper at 5. 1x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Array Technologies, Inc.

(ARRY) delivered a total return of -67. 7%, compared to -85. 1% for Solarmax Technology Inc. Common Stock (SMXT). Over 10 years, the gap is even starker: RUN returned +86. 7% versus SMXT's -85. 1%. 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), Solarmax Technology Inc.

Common Stock (SMXT) is the lower-risk stock at 1. 11β versus Sunrun Inc. 's 2. 89β — meaning RUN is approximately 160% more volatile than SMXT relative to the S&P 500. On balance sheet safety, Shoals Technologies Group, Inc. (SHLS) carries a lower debt/equity ratio of 29% versus 3% for Sunrun Inc. — giving it more financial flexibility in a downturn.

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

(RUN) is pulling ahead at 45. 1% versus -57. 5% for Solarmax Technology Inc. Common Stock (SMXT). On earnings-per-share growth, the picture is similar: Sunrun Inc. grew EPS 113. 3% year-over-year, compared to 0. 0% for SunPower Inc.. Over a 3-year CAGR, SPWR leads at 65. 3% 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.

Sunrun Inc.

(RUN) is the more profitable company, earning 15. 2% net margin versus -152. 1% for Solarmax Technology Inc. Common Stock — meaning it keeps 15. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SHLS leads at 11. 9% versus -144. 0% for SMXT. At the gross margin level — before operating expenses — SPWR leads at 48. 5%, 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, SunPower Inc.

(SPWR) trades at 5. 1x forward P/E versus 22. 8x for Sunrun Inc. — 17. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SPWR: 1450. 0% to $15. 81.

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, Solarmax Technology Inc.

Common Stock (SMXT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 11)). SunPower Inc. (SPWR) carries a higher beta of 2. 13 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SMXT: -85. 1%, SPWR: -81. 3%), 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.

Both stocks operate in the Energy sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: SMXT is a small-cap quality compounder stock; RUN is a small-cap high-growth stock; SPWR is a small-cap quality compounder stock; SHLS is a small-cap high-growth stock; ARRY is a small-cap high-growth 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.