Arm Holdings plc American Depositary Shares (ARM)vsUnion Pacific Corporation (UNP)
ARM
Arm Holdings plc American Depositary Shares
$157.07
+16.38%
TECHNOLOGY · Cap: $143.33B
UNP
Union Pacific Corporation
$241.33
+0.69%
INDUSTRIALS · Cap: $142.22B
Smart Verdict
WallStSmart Research — data-driven comparison
Union Pacific Corporation generates 425% more annual revenue ($24.51B vs $4.67B). UNP leads profitability with a 29.1% profit margin vs 17.2%. ARM appears more attractively valued with a PEG of 1.90. UNP earns a higher WallStSmart Score of 60/100 (C).
ARM
Buy52
out of 100
Grade: C-
UNP
Buy60
out of 100
Grade: C
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-2323.2%
Fair Value
$5.17
Current Price
$157.07
$151.90 premium
Margin of Safety
-13.1%
Fair Value
$211.98
Current Price
$241.33
$29.35 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Safe zone — low bankruptcy risk
Large-cap with strong market position
Revenue surging 26.3% year-over-year
Every $100 of equity generates 40 in profit
Strong operational efficiency at 40.9%
Large-cap with strong market position
Keeps 29 of every $100 in revenue as profit
Generating 1.2B in free cash flow
Areas to Watch
Expensive relative to growth rate
Premium valuation, high expectations priced in
Trading at 21.4x book value
Earnings declined 12.3%
Expensive relative to growth rate
Revenue declined 0.6%
Comparative Analysis Report
WallStSmart ResearchBull Case : ARM
The strongest argument for ARM centers on Altman Z-Score, Market Cap, Revenue Growth. Profitability is solid with margins at 17.2% and operating margin at 15.4%. Revenue growth of 26.3% demonstrates continued momentum.
Bull Case : UNP
The strongest argument for UNP centers on Return on Equity, Operating Margin, Market Cap. Profitability is solid with margins at 29.1% and operating margin at 40.9%.
Bear Case : ARM
The primary concerns for ARM are PEG Ratio, P/E Ratio, Price/Book. A P/E of 177.6x leaves little room for execution misses.
Bear Case : UNP
The primary concerns for UNP are PEG Ratio, Revenue Growth.
Key Dynamics to Monitor
ARM profiles as a growth stock while UNP is a declining play — different risk/reward profiles.
ARM carries more volatility with a beta of 4.13 — expect wider price swings.
ARM is growing revenue faster at 26.3% — sustainability is the question.
UNP generates stronger free cash flow (1.2B), providing more financial flexibility.
Bottom Line
UNP scores higher overall (60/100 vs 52/100), backed by strong 29.1% margins. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Arm Holdings plc American Depositary Shares
TECHNOLOGY · SEMICONDUCTORS · USA
Arm Holdings plc architects, develops, and licenses central processing unit products and related technologies for semiconductor companies and original equipment manufacturers rely on to develop products.
Union Pacific Corporation
INDUSTRIALS · RAILROADS · USA
The Union Pacific Corporation (Union Pacific) is a publicly traded railroad holding company. It was incorporated in Utah in 1969 and is headquartered in Omaha, Nebraska. It is the parent company of the current, Delaware-registered, form of the Union Pacific Railroad.
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