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Quest Diagnostics Inc (DGX) stock

DGXNYSEServices-Medical LaboratoriesFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 23, 2026Score 12/300% above fair value
$251.82−1.10 (-0.43%)

Close on Oct 30, 2026Market cap $27.79BP/E 26.8Yield –

Price history

Quest Diagnostics share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$251.82
-0.43% on the day
52-week range
$171.18 – $256.99
-2.0% from the high
Change over 52 weeks
+43.3%
From $175.75 on Oct 30, 2025
Average volume
1.02M
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$243.00$256.99$239.59$251.82+4.11%4,677,299
Oct 19, 2026$234.40$246.00$223.50$241.89+2.93%5,793,421
Oct 12, 2026$228.66$240.75$228.66$235.00+1.74%4,879,386
Oct 5, 2026$232.93$233.65$225.78$230.97-1.01%5,443,096
Sep 28, 2026$234.27$238.10$228.83$233.33-1.27%5,759,320
Sep 21, 2026$247.13$248.84$227.24$236.32-4.11%6,425,163
Sep 14, 2026$237.49$248.70$234.67$246.45+4.86%6,212,352
Sep 8, 2026$233.61$237.56$228.57$235.02-0.89%3,607,655
Aug 31, 2026$241.99$243.72$235.38$237.14-2.32%5,157,759
Aug 24, 2026$243.97$247.19$241.79$242.76-0.67%3,837,837
Aug 17, 2026$233.94$245.68$233.00$244.39+4.26%4,634,594
Aug 10, 2026$236.53$240.00$232.28$234.40-1.66%3,480,922
Aug 3, 2026$232.84$239.38$229.76$238.35+2.29%3,634,194
Jul 27, 2026$225.95$240.13$224.97$233.01+2.26%5,540,061
Jul 20, 2026$208.61$237.78$204.10$227.86+8.15%8,649,536
Jul 13, 2026$207.48$214.40$201.00$210.68+1.56%4,575,175
Jul 6, 2026$215.64$219.20$206.34$207.44-3.84%3,736,729
Jun 29, 2026$207.97$217.41$206.98$215.72+2.78%3,507,909
Jun 22, 2026$194.13$209.89$192.90$209.88+7.63%5,010,699
Jun 15, 2026$202.25$204.70$192.83$195.00-3.97%4,076,120
Jun 8, 2026$202.08$207.50$196.70$203.06+1.38%4,334,292
Jun 1, 2026$194.14$201.99$191.02$200.29+2.77%3,488,267
May 26, 2026$194.26$197.38$192.35$194.90-0.16%3,384,676
May 18, 2026$187.64$196.92$187.06$195.21+4.61%4,014,884
May 11, 2026$187.36$192.80$186.43$186.61-0.42%3,918,370
May 4, 2026$190.61$193.50$186.23$187.39-2.74%3,582,449
Apr 27, 2026$195.91$198.78$187.50$192.67-1.83%4,813,932
Apr 20, 2026$194.22$209.79$191.63$196.27+0.64%8,302,069
Apr 13, 2026$191.03$196.45$189.72$195.02+1.83%4,649,901
Apr 6, 2026$196.87$201.00$190.12$191.51-3.29%3,948,567
Mar 30, 2026$196.67$199.14$192.73$198.02+1.28%3,241,646
Mar 23, 2026$197.33$202.91$193.81$195.51+0.13%4,002,696
Mar 16, 2026$200.98$201.88$192.79$195.26-2.22%5,103,550
Mar 9, 2026$198.25$205.00$195.39$199.70+0.25%3,578,303
Mar 2, 2026$212.52$213.26$199.01$199.21-5.99%3,870,231
Feb 23, 2026$201.99$213.50$201.99$211.91+4.69%4,306,003
Feb 17, 2026$207.99$208.93$200.94$202.41-2.16%3,300,643
Feb 9, 2026$190.00$213.20$187.58$206.87+8.47%8,690,833
Feb 2, 2026$186.01$193.60$182.36$190.71+1.97%5,884,498
Jan 26, 2026$182.14$187.19$181.37$187.03+3.32%3,988,408
Jan 20, 2026$187.69$191.07$179.73$181.02-4.47%5,225,489
Jan 12, 2026$175.81$190.99$173.51$189.49+8.63%5,642,052
Jan 5, 2026$173.46$181.23$171.18$174.44+0.37%4,493,994
Dec 29, 2025$175.72$176.37$172.03$173.79-1.22%2,693,314
Dec 22, 2025$176.00$177.24$174.48$175.94-0.07%2,056,228
Dec 15, 2025$183.25$184.84$174.59$176.06-3.56%6,497,904
Dec 8, 2025$182.29$183.50$178.61$182.56+0.03%4,722,901
Dec 1, 2025$188.50$189.39$182.08$182.51-3.53%5,193,743
Nov 24, 2025$192.75$193.35$188.94$189.18-1.08%4,741,906
Nov 17, 2025$187.01$193.76$184.18$191.25+2.30%6,203,779
Nov 10, 2025$178.20$191.31$175.77$186.95+4.15%6,298,672
Nov 3, 2025$175.78$180.59$174.36$179.50+2.02%4,802,095

Seasonality

DGX return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average1.1%-0.5%-0.8%6.5%1.6%1.7%2.5%0.9%-2.2%1.8%3.4%-0.6%
Months up7 of 103 of 106 of 107 of 106 of 107 of 106 of 107 of 103 of 107 of 108 of 95 of 9
20268.3%13.3%-7.5%-0.5%0.4%8.7%10.4%3.1%-3.0%8.4%
20258.6%6.0%-2.1%5.8%-2.7%3.6%-6.4%8.5%4.9%-7.3%7.5%-8.3%
2024-6.4%-2.8%6.6%4.4%2.7%-3.6%4.5%10.3%-1.1%0.2%5.1%-7.3%
2023-4.7%-6.8%2.3%-1.4%-4.4%6.0%-3.3%-2.7%-7.3%7.4%5.5%0.5%
2022-21.6%-2.8%4.3%-1.7%5.4%-5.7%3.2%-8.2%-2.1%17.7%5.7%3.0%
20218.9%-10.5%11.0%3.3%-0.2%0.2%8.0%7.8%-4.9%1.5%1.3%16.4%
20204.1%-4.2%-24.3%38.2%7.4%-3.7%12.0%-12.5%2.9%7.2%1.5%-3.9%
20195.6%-0.9%3.9%7.8%-0.5%6.2%0.8%0.3%4.6%-4.9%5.2%0.2%
20187.9%-2.6%-2.7%1.4%5.3%3.2%-1.6%2.1%-1.9%-12.4%-5.9%-6.0%
20170.5%6.0%0.8%7.9%3.1%2.2%-2.2%0.0%-13.6%0.6%5.0%0.0%