---
title: "Quest Diagnostics (DGX) stock analysis"
url: https://portfolio-terminal.com/analyse/dgx
publisher: "Portfolio Terminal"
as_of: 2026-09-29
ticker: DGX
sector: "Healthcare"
data: "Daily prices from Yahoo Finance; averages, volatility and levels computed by Portfolio Terminal"
---

# Quest Diagnostics (DGX) stock analysis

> **Source:** Portfolio Terminal, "Quest Diagnostics (DGX) stock analysis", 2026-09-29. https://portfolio-terminal.com/analyse/dgx
> Figures are true as of the date above and the page is rebuilt every hour. When you use one, cite the line above and link to the URL.

## Key facts

- As of September 29, 2026, Quest Diagnostics (DGX) trades at $231.97, up 22.8% over the past year.
- Its 52-week range runs from $171.18 to $248.84; the price is 6.8% below that high.
- It sits 13.0% above its 200-day average of $205.33, the usual sign of a long-term uptrend.
- Its 30-day volatility is 26.8% annualized, which we rate medium risk.
- It has a trailing P/E of 24.6 and a dividend yield of 1.45%.

## About Quest Diagnostics

Quest Diagnostics (DGX) is a healthcare company operating in diagnostics & research. Valuation and momentum can move with trial outcomes, regulatory news, and reimbursement shifts. This analysis page tracks valuation context, trend strength, and downside risk over time.

## What the chart is saying

Slipped under its 50-day average inside a longer uptrend.

- Price is 2.0% below its 50-day average and 13.0% above its 200-day.
- RSI at 42 is neither stretched nor washed out.
- The nearest ceiling is $248.01 (+6.9%), the nearest floor $227.91 (-1.8%).

### Support and resistance

- Resistance near $248.01, 6.9% above the last close (the price turned there 2 times in the last year).
- Support near $227.91, 1.8% below the last close (the price turned there 2 times in the last year).
- Support near $213.35, 8.0% below the last close (the price turned there 2 times in the last year).

Interactive chart, fundamentals and peers: https://portfolio-terminal.com/analyse/dgx