ACA vs UNP: Which Stock is Better?
Side-by-side comparison of Arcosa Inc and Union Pacific Corp in 2026
ACA
Arcosa Inc
$112.92
UNP
Union Pacific Corp
$221.69
Key Metrics Comparison
| Metric | ACA | UNP | Winner |
|---|---|---|---|
| Market Cap | $5.54B | $131.50B | UNP |
| P/E Ratio | 37.52 | 18.84 | UNP |
| EPS (TTM) | $3.01 | $11.77 | UNP |
| Revenue Growth | 0.2% | 0.0% | ACA |
| Gross Margin | 21.6% | 56.1% | UNP |
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Frequently Asked Questions
Is ACA or UNP a better investment?
Comparing ACA and UNP: Arcosa Inc has a market cap of $5.54B while Union Pacific Corp has $131.50B. Both companies have their strengths - use our detailed metrics comparison to make an informed decision.
What is the difference between ACA and UNP?
ACA (Arcosa Inc) and UNP (Union Pacific Corp) differ in valuation, growth rates, and profitability metrics. Our comparison shows which company leads in each category.
Which stock has better value: ACA or UNP?
Based on P/E ratios, UNP trades at a lower multiple (18.8x vs 37.5x).
Which is growing faster: ACA or UNP?
ACA has higher revenue growth at 0.2% vs 0.0% for UNP.
Which company is more profitable: ACA or UNP?
Union Pacific Corp (UNP) has higher gross margins at 56.1% compared to 21.6% for ACA.
Which is the larger company: ACA or UNP?
Union Pacific Corp (UNP) is larger with a market cap of $131.50B compared to $5.54B for ACA.
Should I buy ACA or UNP in 2026?
Both ACA and UNP have investment merit. ACA trades at $112.92 while UNP trades at $221.69. Consider your investment goals, risk tolerance, and portfolio diversification before deciding. Our AI analysis tools can provide personalized insights.
What are the key differences between ACA and UNP stock?
Key differences: Market Cap ($5.54B vs $131.50B), P/E Ratio (37.5x vs 18.8x), Revenue Growth (0.2% vs 0.0%), Gross Margin (21.6% vs 56.1%).