stockNYSE: DGX • 28 Days Updates

Quest Diagnostics Incorporated (DGX)

Showing Closing Date Range from Sep 11 to Oct 9, 2026.

Quest Diagnostics (DGX) operates as a major provider of clinical laboratory and diagnostic imaging services, trading on NYSE Stocks. The stock last closed at $230.81, moving -1.08% over the past week and -1.79% across 28 days. Longer term, shares are +11.31% over 3 months, +19.65% over 6 months and +27.21% over 12 months. For comparison, INTC (Intel) (+4.02%), NVDA (NVIDIA) (+5.58%), AAPL (Apple) (+2.45%), TSLA (Tesla) (+2.62%) and ORCL (Oracle) (-9.71%) moved over the same 28-day period.
Price & Performance Trajectory

Quest Diagnostics IncorporatedNYSE: DGX

Latest Close
$230.81
-1.79%
28 Days Updates Trajectory
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesDGX session performance
✓ Latest Close USD
$230.81
Latest session close
$-4.21vs period start
Period Return % % GAIN
-1.79%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$248.84 / $225.78
Period range envelope
$23.06channel spread
Total Volume SHARES
19.71M
Period turnover
Avg: 1.16M/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(17 dates)
DateClose (USD)Return %HighLowVolume
Oct 08, 2026$230.81+1.65% $231.08$226.40909.5K
Oct 07, 2026$227.06-0.58% $229.80$226.81910.6K
Oct 06, 2026$228.39-1.28% $232.09$225.781.77M
Oct 05, 2026$232.22-0.48% $233.56$229.961.01M
Oct 02, 2026$233.33+0.97% $233.48$228.83979.5K
Sep 28, 2026$237.49+0.50% $238.10$233.81497.1K
Sep 25, 2026$236.32-0.11% $238.25$235.48741.7K
Sep 24, 2026$236.59+1.54% $237.29$233.55926.9K
Sep 23, 2026$233.00-0.75% $238.62$231.921.13M
Sep 22, 2026$234.76-4.13% $237.29$227.242.72M
Sep 21, 2026$244.88-0.64% $248.84$243.93907.6K
Sep 18, 2026$246.45-0.40% $247.63$244.891.92M
Sep 17, 2026$247.45+0.15% $248.70$246.26989.5K
Sep 16, 2026$247.08+0.00% $248.57$244.85948.7K
Sep 15, 2026$247.08+3.86% $248.65$237.211.37M
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