NYSE · DGX · stock

Quest Diagnostics INC (DGX) stock price history

Every NYSE trading session of Quest Diagnostics INC from Dec 17, 1996 to Sep 29, 2026: 7,492 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

DGX adjusted close, 1996 to 2026

DGXQuest Diagnostics INC
$231.97+25.0% over one year
200020052010201520202025
$247.45
All time high, 2026
$248.84
52 week high, $168.97 low
7,492
Daily sessions since 1996

Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 1996 to 2026 series and minute bars.

DGX key facts

  • Quest Diagnostics INC (DGX) closed at $231.97 on Sep 29, 2026 on NYSE.
  • DGX's all time high close is $247.45, set on Sep 17, 2026; its all time low close is $2.47 on Dec 17, 1996.
  • DGX's 52 week range is $168.97 to $248.84.
  • DGX returned +25.0% over the year to Sep 29, 2026 and +73.1% over five years.
  • Over ten years DGX returned +238%, +13.0% a year compounded.
  • DGX's deepest drawdown was -49.5% from May 3, 2002 to Feb 14, 2003.
  • DataCedar holds 7,492 daily sessions of DGX history from Dec 17, 1996 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

DGX price chart, 1996 to 2026

DGX adjusted close, Dec 17, 1996 to Sep 29, 2026$2.47$11.30$51.66$236.25200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

DGX returns

Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.

PeriodReturn
1 month-4.4%
3 months+9.5%
6 months+19.7%
Year to date+33.9%
1 year+25.0%
3 years+101.9%
5 years+73.1%
10 years+238.3%
Since Dec 17, 1996+9,289%
Compound annual growth, 29.8 years+16.5%

DGX records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$247.45 on Sep 17, 2026
All time low close
$2.47 on Dec 17, 1996
52 week high
$248.84 on Sep 21, 2026
52 week low
$168.97 on Jan 5, 2026
Deepest drawdown
-49.5% from May 3, 2002 to Feb 14, 2003, recovered Dec 1, 2004
Best single session
+14.8% on Jul 11, 2000
Worst single session
-18.4% on Jan 4, 2001
Volatility, 1 year annualised
24.2%
Sessions closing higher, 1 year
46%
Growth of 1 since 1996
93.9×
Best calendar year
2000, +365%
Worst calendar year
2002, -21%

DGX price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1996 starts on Dec 17, 1996; 2026 runs to Sep 29, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$171.08$248.84$168.97$231.97+35.4%181.1M186
2025$147.22$195.00$144.77$171.29+17.2%273.8M250
2024$131.00$160.16$117.31$146.15+11.8%228.2M252
2023$144.98$146.23$112.76$130.77-10.1%242.4M250
2022$157.00$157.20$111.28$145.38-7.8%269.6M251
2021$107.38$158.72$101.89$157.67+47.9%309.8M252
2020$93.42$117.36$64.22$106.63+14.1%371.4M253
2019$70.46$95.34$68.41$93.45+31.1%260.2M252
2018$82.95$98.78$67.57$71.26-13.8%264.9M251
2017$76.48$94.03$74.68$82.71+9.2%255.3M251
2016$56.69$77.15$48.45$75.78+31.9%278.1M252
2015$54.06$71.05$48.21$57.45+8.4%338.7M252
2014$41.33$54.16$39.24$53.01+28.1%466.4M252
2013$44.45$49.56$40.59$41.40-6.2%395.8M252
2012$44.12$49.15$40.12$44.15+1.5%240.1M250
2011$40.35$45.68$33.74$43.50+8.4%434.6M252
2010$44.83$45.64$30.22$40.14-10.0%364.3M252
2009$38.43$46.38$31.09$44.57+17.2%359.4M252
2008$38.48$43.82$28.31$38.02-1.1%379.7M253
2007$38.07$42.52$34.73$38.43+0.6%398.3M251
2006$36.97$46.57$34.99$38.21+3.7%338.4M251
2005$34.02$39.10$31.56$36.86+8.5%251.7M252
2004$25.81$34.43$25.37$33.97+31.7%294.2M252
2003$20.19$26.47$16.72$25.80+28.5%484.1M252
2002$25.24$33.93$17.33$20.08-20.7%589.8M252
2001$24.53$26.74$12.92$25.31+1.0%369.9M248
2000$5.44$25.81$5.14$25.06+364.6%419.1M252
1999$3.13$5.81$3.13$5.39+71.6%72.6M252
1998$2.98$4.07$2.56$3.14+5.6%62.6M252
1997$2.65$3.68$2.51$2.98+11.6%131.5M253
1996$2.65$2.78$2.34$2.67n/a3.4M10

DGX monthly closes, last 12 months

MonthMonth end closeChange
September 2026$231.97-3.5%
August 2026$240.30+3.1%
July 2026$233.01+10.4%
June 2026$211.09+8.7%
May 2026$194.11+0.4%
April 2026$193.41-0.5%
March 2026$194.34-7.5%
February 2026$210.14+13.3%
January 2026$185.46+8.3%
December 2025$171.29-8.3%
November 2025$186.74+7.5%
October 2025$173.68-7.3%

About the DGX data

Daily bars. 7,492 sessions from Dec 17, 1996 to Sep 29, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Dec 17, 1996, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/DGX/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

DGX share price history

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