Compare Quest Diagnostics Inc (DGX) vs Phillips 66 (PSX) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Quest Diagnostics Inc vs Phillips 66 — how do they compare? Quest Diagnostics Inc trades at $205.37 (market cap $22.80B), while Phillips 66 trades at $201 (market cap $80.77B). The key difference: Phillips 66 is far larger — about 3.5× Quest Diagnostics Inc's market cap, and Phillips 66 pays the higher dividend (2.52%). Which is the better fit depends on your goals.
| DGX | PSX | |
|---|---|---|
Market Cap | $22.80B | $80.77B |
Sector | Health | Energy |
52-Week High | $216.02 | $201.45 |
52-Week Low | $166.42 | $118.37 |
Enterprise Value | $28.82B | $102.74B |
Dividend Yield | 1.67% | 2.52% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $207.35, showing minimal daily movement with a slight decline of 0.04%. The stock maintains a bullish technical stance with recent earnings beats and analyst consensus pointing to upside potential. Recent developments include New York State approval for Haystack MRD testing and strong momentum across diagnostic channels. Revenue growth accelerated to $11.04 billion in 2025 with consistent profitability margins around 9%.
DGX presents a balanced investment case with 38% analyst buy ratings and a $227.75 price target suggesting 10% upside. The company demonstrates steady revenue growth and operational efficiency, though elevated debt levels and policy risks require monitoring. Second quarter earnings on July 23, 2026, will be crucial for validating current momentum and growth trajectory.
Phillips 66 (PSX) trades at $198.29, up 5.27% with strong technical momentum and bullish moving average signals. The stock shows solid fundamentals with a P/E of 19.59, P/S of 0.6, and ROE of 14.75%, though revenue declined from $170B in 2022 to $132.38B in 2025. Recent earnings beats and consistent dividends of $1.27 quarterly support investor confidence amid refining margin strength.
Outlook remains positive with analyst consensus at Buy (57%) and $201.50 target, though risks include volatile oil prices, declining revenue trends, and high RSI suggesting overbought conditions. The refining sector benefits from Middle East tensions, but execution on cost control and margin stability will dictate near-term performance.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
About Quest Diagnostics Inc
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →About Phillips 66
Phillips 66 is an independent refiner with 12 refineries that have a total crude throughput capacity of 2.0 million barrels per day, or mmb/d, after converting its 255 mb/d Alliance refinery to a terminal. The midstream segment comprises extensive transportation and NGL processing assets. It also includes its DCP Midstream joint venture, which holds 45 natural gas processing facilities, 11 NGL fractionation plants, and a natural gas pipeline system with 58,000 miles of pipeline. Its CPChem chemical joint venture operates facilities in the United States and the Middle East and primarily produces olefins and polyolefins.
Read more on PSX →
