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Quest Diagnostics Inc (DGX) stock

DGXNYSEServices-Medical LaboratoriesFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 23, 2026Score 12/3010% above fair value
$259.60−0.05 (-0.02%)

Close on Nov 13, 2026Market cap $28.56BP/E 25.9Yield –

Quest Diagnostics statistics

103 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
Feb 9, 2027 (estimated, before the open)
Last ex-dividend date
Oct 6, 2026
Fundamentals through
Sep 30, 2026
Share price as of
Nov 13, 2026

Valuation ratiosIndustry

Market Cap
$28.56B
$1.68B
Enterprise Value
$33.63B
$2.20B
PE Ratio
25.88
23.80
PS Ratio
2.41
1.53
PB Ratio
3.74
3.46
P/FCF Ratio
20.77
19.86
P/OCF Ratio
14.64
14.68

Enterprise valuationIndustry

EV / Sales
2.84
1.67
EV / EBITDA
14.57
16.14
EV / EBIT
19.52
20.51
EV / FCF
24.46
24.49

Share statisticsIndustry

Shares Change (YoY)
-1.32%
2.40%
Float
109M
34M
Shares Held by Insiders
0.48%
15.4%
Shares Held by Institutions
95.4%
83.6%

Short sellingIndustry

Short Interest
4M
–
Short Interest Change
4.48%
-0.86%
Short % of Float
3.41%
6.28%
Short % of Shares Outstanding
3.39%
4.21%
Days to Cover
3.64
4.41

Stock price statisticsIndustry

52-Week High
$262.00
–
52-Week Low
$171.18
–
20-Day Moving Average
$249.60
–
50-Day Moving Average
$241.30
–
200-Day Moving Average
$215.70
–
Average True Range (14)
$5.85
–
Price Change (1 Week)
1.55%
0.23%
Price Change (1 Month)
8.55%
-0.02%
Price Change (3 Months)
10.2%
2.13%
Price Change (6 Months)
39.1%
17.6%
Price Change (YTD)
49.6%
5.22%
Price Change (1 Year)
38.9%
3.75%
Price Change (3 Years)
94.0%
15.2%
Price Change (5 Years)
73.1%
-14.6%
Price Change (10 Years)
205.1%
184.8%
Average Volume (10 Days)
889,384
–
Average Volume (20 Days)
968,228
–
Average Volume (90 Days)
1M
–
Relative Volume
0.64
0.70
Relative Strength Index (14)
69.1
46.0
Volatility (1 Year)
23.9%
64.2%
Beta (5 Years)
0.32
0.76

MarginsIndustry

Gross Margin
33.1%
33.3%
Operating Margin
14.6%
-2.98%
Pretax Margin
12.6%
2.12%
Profit Margin
9.53%
-2.01%
EBITDA Margin
19.5%
3.36%
FCF Margin
11.6%
2.98%

Returns on capitalIndustry

Return on Equity (ROE)
15.2%
4.82%
Return on Assets (ROA)
6.76%
-3.10%
Return on Invested Capital (ROIC)
10.7%
4.69%
Return on Capital Employed (ROCE)
11.2%
0.40%

Financial positionIndustry

Current Ratio
1.70
1.41
Quick Ratio
1.37
0.99
Debt / Equity
0.73
0.68
Debt / EBITDA
2.40
2.50
Debt / FCF
4.04
4.01
Net Debt / EBITDA
2.06
2.13

GrowthIndustry

Revenue Growth (YoY)
9.13%
9.63%
Net Income Growth (YoY)
16.5%
16.5%
EPS Growth (YoY)
18.3%
19.0%
FCF Growth (YoY)
-1.29%
-6.64%
Revenue Growth (3Y CAGR)
3.74%
11.3%
Revenue Growth (5Y CAGR)
3.18%
12.6%
EPS Growth (3Y CAGR)
3.16%
19.8%
EPS Growth (5Y CAGR)
-3.53%
9.29%

EfficiencyIndustry

Asset Turnover
0.71
0.81
Inventory Turnover
39.21
10.99
Revenue Per Employee
$207.74K
$235.26K
Profits Per Employee
$19.81K
-$5.12K
Employee Count
57,000
910
WACC
7.25%
8.40%

Income statement (TTM)Industry

Revenue
$11.84B
$638.13M
Gross Profit
$3.92B
$196.31M
Operating Income
$1.72B
-$675.66K
Pretax Income
$1.49B
-$575.82K
Net Income
$1.13B
-$1.48M
EBITDA
$2.31B
$1.17M
EPS (Diluted)
$10.03
-$0.02

Balance sheetIndustry

Total Debt
$5.55B
$258.06M
Net Cash (Debt)
-$4.75B
$203.66K
Net Cash Per Share
-$43.20
$0.00
Equity (Book Value)
$7.63B
$235.60M
Book Value Per Share
$69.37
$3.91
Tangible Book Value
-$3.11B
$1.59M
Working Capital
$1.28B
$30.06M

Cash flow (TTM)Industry

Operating Cash Flow
$1.95B
$25.90M
Capital Expenditures
-$576.00M
-$15.83M
Free Cash Flow
$1.38B
$18.83M
FCF Per Share
$12.50
$0.36

Dividends and yieldsIndustry

Earnings Yield
3.95%
0.19%
FCF Yield
4.81%
2.55%
Payout Ratio
32.7%
13.4%
FCF Payout Ratio
26.8%
11.9%

Taxes and interestIndustry

Income Tax
$342.00M
$564.50K
Effective Tax Rate
22.9%
24.1%

Scores and fair valueIndustry

Graham Number
$125.12
$21.25
Graham Upside
-51.8%
-49.9%
Altman Z-Score
3.82
2.24
Piotroski F-Score
7
5
Beneish M-Score
-2.65
-2.76

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

PeriodDGXS&P 500DifferenceDGX per yearS&P 500 per year
1 month+12.6%-3.0%+15.7 pts
3 months+10.4%-2.8%+13.2 pts
Year to date+52.1%+11.5%+40.6 pts
1 year+40.7%+13.5%+27.3 pts
3 years+107.6%+77.7%+29.9 pts+27.6%+21.1%
5 years+90.6%+72.6%+18.0 pts+13.8%+11.5%
10 years+287.9%+308.2%−20.2 pts+14.5%+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

4M DGX shares were sold short on Oct 30, 2026, up 4.5% from the previous report, or 3.41% of the shares available to trade. At recent volumes it would take 3.6 days to buy them back. Over the last 20 sessions, 66.9% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 20263,734,103+4.5%1,024,5793.6
Oct 15, 20263,573,902+4.6%1,055,9883.4
Sep 30, 20263,417,577-5.1%1,268,6672.7
Sep 15, 20263,600,559+4.5%975,5623.7
Aug 31, 20263,445,561+3.7%893,6993.9
Aug 14, 20263,321,414-9.8%711,5124.7
Jul 31, 20263,684,192+5.0%1,344,7322.7
Jul 15, 20263,509,407-6.0%823,8474.3
Jun 30, 20263,732,507+9.1%971,1603.8
Jun 15, 20263,419,621-0.3%802,9044.3
May 29, 20263,430,849-7.6%822,1734.2
May 15, 20263,715,019+9.6%744,7985.0

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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