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$235.02+1.68%
as of market close, Sep 11, 2026
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Quest Diagnostics Incorporated returns by year

Through September 11, 2026

Quest Diagnostics Incorporated returns by year (1997–2026)#

Quest Diagnostics Incorporated annual returns by year
YearTotal return
2026YTD
+37.2%
2025
+17.2%
2024
+11.8%
2023
-10.1%
2022
-7.8%
2021
+47.9%
2020
+14.1%
2019
+31.1%
2018
-13.8%
2017
+9.2%
2016
+31.9%
2015
+8.4%
2014
+28.1%
2013
-6.2%
2012
+1.5%
2011
+8.4%
2010
-10.0%
2009
+17.2%
2008
-1.1%
2007
+0.6%
2006
+3.3%
2005
+8.5%
2004
+31.7%
2003
+28.5%
2002
-20.7%
2001
+1.0%
2000
+364.6%
1999
+71.6%
1998
+5.6%
1997
+11.6%
Annualized
+16.3%
1997–2026
Average year
+23.6%
29 full years
Best year
+364.6%
2000
Worst year
-20.7%
2002
Positive years
22/29
76% up

Total return by period#

Annual

Methodology#

Returns are total returns (dividends reinvested), computed from DGX's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. Past performance does not predict future returns; not investment advice.

FAQ#

What is Quest Diagnostics Incorporated's average annual return?
Since 1997, Quest Diagnostics Incorporated (DGX) has returned about 16.3% a year (the compound annual growth rate) and an average calendar-year return of 23.6%.
What were Quest Diagnostics Incorporated's best and worst years?
Over 1997–2026, the best year was 2000 (+364.6%) and the worst was 2002 (-20.7%).
How often is Quest Diagnostics Incorporated up in a year?
22 of the 29 full years since 1997 were positive — about 76% of the time.

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