ACA vs SPIR

For growth investors, Arcosa, Inc.

(ACA) is the stronger pick with 12. 2% revenue growth year-over-year, versus -35. 2% for Spire Global, Inc. (SPIR). Spire Global, Inc. (SPIR) offers the better valuation at 13. 4x trailing P/E, making it the more compelling value choice. Analysts rate Arcosa, Inc. (ACA) a "Buy" — based on 8 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, Spire Global, Inc.

(SPIR) is the cheapest at 13. 4x versus Arcosa, Inc. at 29. 3x.

Over the past 5 years, Arcosa, Inc.

(ACA) delivered a total return of +100. 9%, compared to -74. 7% for Spire Global, Inc. (SPIR). Over 10 years, the gap is even starker: ACA returned +509. 7% versus SPIR's -73. 7%. 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), Arcosa, Inc.

(ACA) is the lower-risk stock at 1. 42β versus Spire Global, Inc. 's 3. 29β — meaning SPIR is approximately 131% more volatile than ACA relative to the S&P 500. On balance sheet safety, Spire Global, Inc. (SPIR) carries a lower debt/equity ratio of 12% versus 58% for Arcosa, Inc. — giving it more financial flexibility in a downturn.

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

(ACA) is pulling ahead at 12. 2% versus -35. 2% for Spire Global, Inc. (SPIR). On earnings-per-share growth, the picture is similar: Spire Global, Inc. grew EPS 135. 0% year-over-year, compared to 122. 0% for Arcosa, Inc.. Over a 3-year CAGR, ACA leads at 8. 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.

Spire Global, Inc.

(SPIR) is the more profitable company, earning 71. 7% net margin versus 7. 2% for Arcosa, Inc. — meaning it keeps 71. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ACA leads at 11. 8% versus -121. 4% for SPIR. At the gross margin level — before operating expenses — SPIR leads at 40. 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.

Analyst consensus price targets imply the most upside for ACA: 12.

8% to $140. 00.

In this comparison, ACA (0.

2% yield) pays a dividend. SPIR does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Arcosa, Inc.

(ACA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+509. 7% 10Y return). Spire Global, Inc. (SPIR) carries a higher beta of 3. 29 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ACA: +509. 7%, SPIR: -73. 7%), 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 Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: ACA is a small-cap quality compounder stock; SPIR is a large-cap deep-value 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.