CSAN vs ERJ vs BA vs SBS vs RTX

For growth investors, The Boeing Company (BA) is the stronger pick with 34.

5% revenue growth year-over-year, versus 3. 3% for Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS). Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) offers the better valuation at 13. 0x trailing P/E (0. 7x forward), making it the more compelling value choice. Analysts rate Embraer S. A. (ERJ) a "Buy" — based on 21 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, Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) is the cheapest at 13.

0x versus The Boeing Company at 93. 2x. On forward P/E, Companhia de Saneamento Básico do Estado de São Paulo - SABESP is actually cheaper at 0. 7x.

Over the past 5 years, Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) delivered a total return of +415.

1%, compared to -66. 3% for Cosan S. A. (CSAN). Over 10 years, the gap is even starker: SBS returned +528. 6% versus CSAN's -64. 0%. 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), RTX Corporation (RTX) is the lower-risk stock at 0.

51β versus Cosan S. A. 's 1. 44β — meaning CSAN is approximately 183% more volatile than RTX relative to the S&P 500. On balance sheet safety, RTX Corporation (RTX) carries a lower debt/equity ratio of 59% versus 10% for The Boeing Company — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), The Boeing Company (BA) is pulling ahead at 34.

5% versus 3. 3% for Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS). On earnings-per-share growth, the picture is similar: Embraer S. A. grew EPS 118. 2% year-over-year, compared to -998. 3% for Cosan S. A.. Over a 3-year CAGR, SBS leads at 19. 2% 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.

Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) is the more profitable company, earning 22.

2% net margin versus -21. 4% for Cosan S. A. — meaning it keeps 22. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SBS leads at 32. 2% versus -6. 1% for BA. At the gross margin level — before operating expenses — SBS 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, Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) trades at 0.

7x forward P/E versus 4979. 1x for The Boeing Company — 4978. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SBS: 273. 5% to $23. 79.

In this comparison, CSAN (17.

9% yield), SBS (2. 1% yield), RTX (1. 5% yield), BA (0. 2% yield) pay a dividend. ERJ does not pay a meaningful dividend and should not be held primarily for income.

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

51), 1. 5% yield, +234. 7% 10Y return). Both have compounded well over 10 years (RTX: +234. 7%, CSAN: -64. 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 (CSAN (Energy) and ERJ (Industrials) and BA (Industrials) and SBS (Utilities) and RTX (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CSAN is a small-cap income-oriented stock; ERJ is a mid-cap high-growth stock; BA is a mid-cap high-growth stock; SBS is a mid-cap deep-value stock; RTX is a large-cap quality compounder stock. CSAN, SBS, RTX pay a dividend while ERJ, BA 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.