Quest Diagnostics Incorporated (DGX)
NYSE: DGX · Real-Time Price · USD
237.14
-2.26 (-0.94%)
At close: Sep 4, 2026, 4:00 PM EDT
240.00
+2.86 (1.21%)
After-hours: Sep 4, 2026, 7:49 PM EDT
Quest Diagnostics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 4, 2026 | 235.38 | 238.92 | 235.38 | 237.14 | 237.14 | -0.94% | 775,137 |
| Sep 3, 2026 | 242.00 | 242.00 | 236.35 | 239.40 | 239.40 | -0.58% | 1,029,963 |
| Sep 2, 2026 | 238.03 | 242.84 | 236.27 | 240.80 | 240.80 | 1.94% | 1,138,395 |
| Sep 1, 2026 | 242.72 | 243.72 | 235.63 | 236.22 | 236.22 | -1.70% | 809,586 |
| Aug 31, 2026 | 241.99 | 242.64 | 239.40 | 240.30 | 240.30 | -1.01% | 1,244,509 |
| Aug 28, 2026 | 245.17 | 245.28 | 242.27 | 242.76 | 242.76 | -0.76% | 568,602 |
| Aug 27, 2026 | 242.83 | 247.19 | 242.44 | 244.61 | 244.61 | -0.16% | 833,302 |
| Aug 26, 2026 | 244.11 | 246.00 | 243.49 | 245.00 | 245.00 | 0.20% | 809,923 |
| Aug 25, 2026 | 243.93 | 245.78 | 241.79 | 244.51 | 244.51 | 0.26% | 709,131 |
| Aug 24, 2026 | 243.97 | 246.00 | 242.46 | 243.87 | 243.87 | -0.21% | 802,586 |
| Aug 21, 2026 | 240.33 | 244.70 | 239.43 | 244.39 | 244.39 | 1.28% | 1,263,004 |
| Aug 20, 2026 | 239.86 | 245.68 | 237.53 | 241.30 | 241.30 | -0.19% | 1,106,485 |
| Aug 19, 2026 | 238.10 | 242.39 | 237.38 | 241.76 | 241.76 | 2.33% | 923,836 |
| Aug 18, 2026 | 238.01 | 239.38 | 236.07 | 236.25 | 236.25 | 0.31% | 692,978 |
| Aug 17, 2026 | 233.94 | 237.17 | 233.00 | 235.52 | 235.52 | 0.48% | 582,456 |
| Aug 14, 2026 | 235.82 | 237.70 | 233.69 | 234.40 | 234.40 | -0.69% | 541,736 |
| Aug 13, 2026 | 239.10 | 240.00 | 235.65 | 236.04 | 236.04 | -0.73% | 549,028 |
| Aug 12, 2026 | 234.46 | 238.51 | 232.28 | 237.77 | 237.77 | 0.11% | 679,439 |
| Aug 11, 2026 | 236.35 | 239.92 | 235.51 | 237.50 | 237.50 | -0.05% | 846,729 |
| Aug 10, 2026 | 236.53 | 239.33 | 235.85 | 237.63 | 237.63 | -0.30% | 856,112 |
| Aug 7, 2026 | 236.34 | 239.38 | 236.34 | 238.35 | 238.35 | -0.06% | 568,324 |
| Aug 6, 2026 | 237.66 | 238.88 | 235.32 | 238.50 | 238.50 | 1.13% | 634,296 |
| Aug 5, 2026 | 234.22 | 236.67 | 232.56 | 235.84 | 235.84 | 0.91% | 673,815 |
| Aug 4, 2026 | 231.95 | 234.55 | 229.76 | 233.72 | 233.72 | 0.76% | 875,846 |
| Aug 3, 2026 | 232.84 | 233.44 | 230.54 | 231.95 | 231.95 | -0.45% | 839,134 |
| Jul 31, 2026 | 234.00 | 235.29 | 232.01 | 233.01 | 233.01 | -0.55% | 872,388 |
| Jul 30, 2026 | 230.91 | 235.61 | 229.01 | 234.30 | 234.30 | -0.39% | 926,431 |
| Jul 29, 2026 | 235.11 | 237.84 | 233.00 | 235.22 | 235.22 | -0.31% | 958,900 |
| Jul 28, 2026 | 235.18 | 240.13 | 233.98 | 235.94 | 235.94 | 1.77% | 1,591,964 |
| Jul 27, 2026 | 225.95 | 231.95 | 224.97 | 231.84 | 231.84 | 1.75% | 1,143,158 |
| Jul 24, 2026 | 228.00 | 233.21 | 223.42 | 227.86 | 227.86 | -0.02% | 1,542,089 |
| Jul 23, 2026 | 228.09 | 237.78 | 220.00 | 227.90 | 227.90 | 8.61% | 3,750,665 |
| Jul 22, 2026 | 207.13 | 212.30 | 205.41 | 209.83 | 209.83 | 1.45% | 1,818,668 |
| Jul 21, 2026 | 206.16 | 208.01 | 204.10 | 206.84 | 206.84 | -0.39% | 682,599 |
| Jul 20, 2026 | 208.61 | 211.00 | 205.61 | 207.66 | 207.66 | -1.43% | 821,976 |
| Jul 17, 2026 | 210.95 | 214.40 | 209.41 | 210.68 | 210.68 | 0.61% | 955,453 |
| Jul 16, 2026 | 201.00 | 209.56 | 201.00 | 209.41 | 209.41 | 3.79% | 980,878 |
| Jul 15, 2026 | 204.68 | 206.41 | 201.12 | 201.77 | 201.77 | -2.05% | 1,190,098 |
| Jul 14, 2026 | 202.80 | 208.52 | 201.13 | 206.00 | 206.00 | -0.65% | 865,672 |
| Jul 13, 2026 | 207.48 | 210.76 | 207.01 | 207.35 | 207.35 | -0.04% | 567,107 |
| Jul 10, 2026 | 208.25 | 209.86 | 207.03 | 207.44 | 207.44 | -0.29% | 602,817 |
| Jul 9, 2026 | 210.20 | 210.20 | 206.34 | 208.05 | 208.05 | -0.08% | 610,878 |
| Jul 8, 2026 | 210.74 | 210.74 | 207.23 | 208.21 | 208.21 | -1.56% | 739,563 |
| Jul 7, 2026 | 216.89 | 219.20 | 212.12 | 212.38 | 211.52 | -0.50% | 963,435 |
| Jul 6, 2026 | 215.64 | 216.52 | 212.57 | 213.45 | 212.59 | -1.05% | 745,939 |
| Jul 2, 2026 | 217.07 | 217.41 | 214.94 | 215.72 | 214.85 | -0.14% | 869,667 |
| Jul 1, 2026 | 213.67 | 216.87 | 211.40 | 216.02 | 215.15 | 1.92% | 1,004,081 |
| Jun 30, 2026 | 212.89 | 214.21 | 210.67 | 211.95 | 211.09 | -0.32% | 847,825 |
| Jun 29, 2026 | 207.97 | 212.76 | 206.98 | 212.64 | 211.78 | 1.32% | 786,336 |
| Jun 26, 2026 | 207.97 | 209.89 | 206.55 | 209.88 | 209.03 | 1.76% | 1,349,745 |