CAT vs RTX: Which Is the Better Buy?

Side-by-side comparison of Caterpillar Inc. and RTX Corporation β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-05-04.
Caterpillar Inc. Β· Industrials
$794.65
+30.6% upside to fair value
Grade C High Quality
VS
RTX Corporation Β· Industrials
$172.90
-21.3% upside to fair value
Grade D
QuantHub Verdict
CAT has more upside to fair value (+30.6%). RTX trades at a lower forward P/E (32.1x). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric CAT RTX
Current Price $794.65 $172.90
Fair Value Estimate $1,037.56 $136.05
Upside to Fair Value +30.6% -21.3%
Market Cap $371.9B $232.8B
Forward P/E 41.8x 32.1x
EV / EBITDA 27.3x 19.2x
Price / Sales 5.5x 2.6x
Price / FCF 36.2x 27.9x
Revenue Growth YoY +18.0% +8.7%
Gross Margin 32.3% 20.2%
Operating Margin 16.6% 10.4%
Return on Equity 45.1% 11.2%
Dividend Yield 0% 0%
FCF Yield 2.76% 3.59%
Analyst Consensus Buy Buy
Investment Thesis
CAT β€” Caterpillar Inc.
Caterpillar Inc. is the world's leading manufacturer of construction and mining equipment, with a diversified revenue base across Energy and Transportation, Construction Industries, Resource Industries, and Financial Products. The company benefits from a durable competitive moat driven by its extensive global operations, strong brand, and operational excellence. Despite strong revenue growth of 1…
RTX β€” RTX Corporation
RTX Corporation is a leading aerospace and defense company with a diversified portfolio spanning Pratt & Whitney jet engines, Collins Aerospace avionics, and Raytheon Intelligence & Space defense systems. The company benefits from a strong competitive moat supported by a $271 billion backlog and multi-year contracts, driving consistent revenue growth of 10% in 2025 and 9% in Q1 2026. Earnings gro…
Accumulation Zones
Metric CAT RTX
Zone Low $778.17 $102.04
Zone High $881.93 $115.64
In Buy Zone? Yes No
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