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Quest Diagnostics Incorporated (DGX) — Price History
As of 2026-10-30 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.
The Closelooknet read
- Signal: Uptrend stack intact — Trades +5.6% vs the 50-day and +18.9% vs the 200-day average, 2% below the 52-week high and +48.4% off the 52-week low. Computed from daily closes. (as of 2026-10-30)
- Trend: Quest Diagnostics Incorporated trades 5.6% above its 50-day and 18.9% above its 200-day moving average. (as of 2026-10-30)
Quest Diagnostics runs clinical laboratories and patient service centres across the United States, processing blood, tissue and other samples for hospitals, doctors and insurers. It offers routine and advanced testing in areas such as cancer, infectious disease, drug monitoring and women's health, plus risk-assessment work for life insurers and IT tools that connect results to health systems.
The full read — the desk's view, the earnings record, peers and the company snapshot — is on the DGX overview; the trend detail on the technical tab. Research diary readings, not advice.
Daily prices
| Date | Open | High | Low | Close | Chg % | Volume |
|---|---|---|---|---|---|---|
| 2026-10-30 | 255.14 | 256.99 | 250.95 | 251.82 | -0.43% | 919,448 |
| 2026-10-29 | 246.25 | 253.12 | 245.40 | 252.92 | +2.97% | 946,275 |
| 2026-10-28 | 242.96 | 249.73 | 242.34 | 245.62 | +1.26% | 932,796 |
| 2026-10-27 | 241.96 | 243.26 | 239.59 | 242.56 | -0.16% | 919,017 |
| 2026-10-26 | 243.00 | 244.22 | 240.98 | 242.95 | +0.44% | 959,622 |
| 2026-10-23 | 239.63 | 244.33 | 239.63 | 241.89 | -0.57% | 933,382 |
| 2026-10-22 | 226.50 | 246.00 | 226.22 | 243.28 | +1.82% | 1,686,025 |
| 2026-10-21 | 235.34 | 240.56 | 223.50 | 238.93 | +0.76% | 1,205,190 |
| 2026-10-20 | 236.00 | 237.29 | 234.06 | 237.12 | +0.94% | 1,104,176 |
| 2026-10-19 | 234.40 | 235.99 | 233.82 | 234.91 | -0.04% | 864,648 |
| 2026-10-16 | 239.67 | 240.75 | 233.56 | 235.00 | -1.74% | 799,647 |
| 2026-10-15 | 235.85 | 239.17 | 235.57 | 239.15 | +2.45% | 1,002,728 |
| 2026-10-14 | 231.32 | 234.97 | 231.32 | 233.43 | +1.29% | 1,201,550 |
| 2026-10-13 | 233.13 | 234.33 | 230.23 | 230.46 | -0.93% | 1,010,231 |
| 2026-10-12 | 228.66 | 234.64 | 228.66 | 232.63 | +0.72% | 865,230 |
| 2026-10-09 | 227.86 | 232.18 | 227.86 | 230.97 | +0.07% | 775,460 |
| 2026-10-08 | 228.16 | 231.08 | 226.36 | 230.81 | +1.65% | 941,876 |
| 2026-10-07 | 228.51 | 229.80 | 226.81 | 227.06 | -0.58% | 927,427 |
| 2026-10-06 | 229.92 | 232.09 | 225.78 | 228.39 | -1.65% | 1,784,071 |
| 2026-10-05 | 232.93 | 233.65 | 229.96 | 232.22 | -0.48% | 1,014,262 |
| 2026-10-02 | 230.58 | 233.48 | 228.83 | 233.33 | +0.97% | 1,100,862 |
| 2026-10-01 | 232.74 | 233.33 | 230.47 | 231.09 | -0.85% | 992,175 |
| 2026-09-30 | 233.33 | 236.97 | 230.84 | 233.07 | +0.47% | 1,093,356 |
| 2026-09-29 | 235.46 | 237.62 | 230.97 | 231.97 | -2.38% | 1,536,906 |
| 2026-09-28 | 234.27 | 238.10 | 233.81 | 237.62 | +0.55% | 1,036,021 |
| 2026-09-25 | 236.37 | 238.25 | 235.48 | 236.32 | -0.11% | 741,726 |
| 2026-09-24 | 234.08 | 237.29 | 233.55 | 236.59 | +1.54% | 926,898 |
| 2026-09-23 | 235.12 | 238.62 | 231.92 | 233.00 | -0.75% | 1,129,646 |
| 2026-09-22 | 228.59 | 237.28 | 227.24 | 234.76 | -4.13% | 2,719,288 |
| 2026-09-21 | 247.13 | 248.84 | 243.93 | 244.88 | -0.64% | 907,605 |
| 2026-09-18 | 246.52 | 247.63 | 244.89 | 246.45 | -0.40% | 1,925,637 |
| 2026-09-17 | 248.28 | 248.69 | 246.26 | 247.45 | +0.15% | 989,497 |
| 2026-09-16 | 245.47 | 248.57 | 244.85 | 247.08 | +0.00% | 948,753 |
| 2026-09-15 | 238.39 | 248.65 | 237.21 | 247.08 | +3.86% | 1,373,615 |
| 2026-09-14 | 237.49 | 239.78 | 234.67 | 237.89 | +1.22% | 974,850 |
| 2026-09-11 | 233.20 | 235.12 | 229.33 | 235.02 | +1.68% | 997,025 |
| 2026-09-10 | 236.32 | 236.47 | 228.57 | 231.14 | -1.83% | 1,090,546 |
| 2026-09-09 | 233.58 | 236.24 | 232.43 | 235.46 | -0.02% | 791,149 |
| 2026-09-08 | 233.61 | 237.56 | 231.52 | 235.50 | -0.69% | 728,935 |
| 2026-09-04 | 235.38 | 238.91 | 235.38 | 237.14 | -0.94% | 798,704 |
| 2026-09-03 | 242.00 | 242.00 | 236.35 | 239.40 | -0.58% | 1,043,291 |
| 2026-09-02 | 238.03 | 242.84 | 236.27 | 240.80 | +1.94% | 1,144,114 |
| 2026-09-01 | 242.72 | 243.72 | 235.63 | 236.22 | -1.70% | 813,392 |
| 2026-08-31 | 241.99 | 242.63 | 239.40 | 240.30 | -1.01% | 1,358,258 |
| 2026-08-28 | 245.17 | 245.28 | 242.27 | 242.76 | -0.76% | 639,937 |
| 2026-08-27 | 242.83 | 247.19 | 242.44 | 244.61 | -0.16% | 839,989 |
| 2026-08-26 | 244.11 | 246.00 | 243.49 | 245.00 | +0.20% | 811,024 |
| 2026-08-25 | 243.93 | 245.78 | 241.79 | 244.51 | +0.26% | 709,151 |
| 2026-08-24 | 243.97 | 246.00 | 242.46 | 243.87 | -0.21% | 837,736 |
| 2026-08-21 | 240.33 | 244.70 | 239.43 | 244.39 | +1.28% | 1,263,229 |
| 2026-08-20 | 239.86 | 245.68 | 237.53 | 241.30 | -0.19% | 1,139,473 |
| 2026-08-19 | 238.10 | 242.39 | 237.38 | 241.76 | +2.33% | 924,012 |
| 2026-08-18 | 238.01 | 239.38 | 236.07 | 236.25 | +0.31% | 693,609 |
| 2026-08-17 | 233.94 | 237.17 | 233.00 | 235.52 | +0.48% | 614,271 |
| 2026-08-14 | 235.82 | 237.69 | 233.69 | 234.40 | -0.69% | 541,802 |
| 2026-08-13 | 239.10 | 240.00 | 235.65 | 236.04 | -0.73% | 549,033 |
| 2026-08-12 | 234.46 | 238.51 | 232.28 | 237.77 | +0.11% | 686,871 |
| 2026-08-11 | 236.35 | 239.92 | 235.51 | 237.50 | -0.05% | 847,026 |
| 2026-08-10 | 236.53 | 239.33 | 235.85 | 237.63 | -0.30% | 856,190 |
| 2026-08-07 | 236.34 | 239.38 | 236.34 | 238.35 | -0.06% | 574,521 |
| 2026-08-06 | 237.66 | 238.88 | 235.31 | 238.50 | +1.13% | 642,223 |
| 2026-08-05 | 234.22 | 236.66 | 232.56 | 235.84 | +0.91% | 674,201 |
| 2026-08-04 | 231.95 | 234.54 | 229.75 | 233.72 | +0.76% | 903,998 |
| 2026-08-03 | 232.84 | 233.44 | 230.54 | 231.95 | -0.45% | 839,251 |
| 2026-07-31 | 234.00 | 235.28 | 232.00 | 233.01 | -0.55% | 872,677 |
| 2026-07-30 | 230.91 | 235.61 | 229.01 | 234.30 | -0.39% | 947,709 |
| 2026-07-29 | 235.11 | 237.84 | 233.00 | 235.22 | -0.31% | 964,462 |
| 2026-07-28 | 235.18 | 240.13 | 233.98 | 235.94 | +1.77% | 1,611,964 |
| 2026-07-27 | 225.95 | 231.95 | 224.97 | 231.84 | +1.75% | 1,143,249 |
| 2026-07-24 | 228.00 | 233.21 | 223.42 | 227.86 | -0.02% | 1,542,112 |
| 2026-07-23 | 228.09 | 237.78 | 220.00 | 227.90 | +8.61% | 3,758,554 |
| 2026-07-22 | 207.13 | 212.30 | 205.41 | 209.83 | +1.45% | 1,834,085 |
| 2026-07-21 | 206.16 | 208.01 | 204.10 | 206.84 | -0.39% | 691,873 |
| 2026-07-20 | 208.61 | 211.00 | 205.61 | 207.66 | -1.43% | 822,912 |
| 2026-07-17 | 210.95 | 214.40 | 209.41 | 210.68 | +0.61% | 955,495 |
| 2026-07-16 | 201.00 | 209.56 | 201.00 | 209.41 | +3.79% | 991,687 |
| 2026-07-15 | 204.68 | 206.41 | 201.12 | 201.77 | -2.05% | 1,193,176 |
| 2026-07-14 | 202.80 | 208.52 | 201.13 | 206.00 | -0.65% | 865,890 |
| 2026-07-13 | 207.48 | 210.76 | 207.01 | 207.35 | -0.04% | 568,927 |
| 2026-07-10 | 208.25 | 209.86 | 207.03 | 207.44 | -0.29% | 614,849 |
| 2026-07-09 | 210.20 | 210.20 | 206.34 | 208.05 | -0.08% | 621,208 |
| 2026-07-08 | 210.74 | 210.74 | 207.23 | 208.21 | -1.96% | 773,651 |
| 2026-07-07 | 216.89 | 219.20 | 212.12 | 212.38 | -0.50% | 981,082 |
| 2026-07-06 | 215.64 | 216.52 | 212.57 | 213.45 | -1.05% | 745,939 |
| 2026-07-02 | 217.07 | 217.41 | 214.94 | 215.72 | -0.14% | 869,667 |
| 2026-07-01 | 213.67 | 216.87 | 211.40 | 216.02 | +1.92% | 1,004,081 |
| 2026-06-30 | 212.89 | 214.21 | 210.67 | 211.95 | -0.32% | 847,825 |
| 2026-06-29 | 207.97 | 212.76 | 206.97 | 212.64 | +1.32% | 786,336 |
| 2026-06-26 | 207.97 | 209.89 | 206.55 | 209.88 | +1.76% | 1,349,745 |
| 2026-06-25 | 203.14 | 207.85 | 203.14 | 206.24 | +1.54% | 632,360 |
| 2026-06-24 | 198.41 | 205.76 | 198.41 | 203.11 | +3.01% | 1,135,807 |
| 2026-06-23 | 195.78 | 197.79 | 194.15 | 197.18 | +1.86% | 987,971 |
| 2026-06-22 | 194.13 | 195.16 | 192.90 | 193.58 | -0.73% | 904,816 |
| 2026-06-18 | 196.69 | 197.44 | 192.83 | 195.00 | -1.40% | 1,292,236 |
| 2026-06-17 | 200.00 | 201.04 | 196.50 | 197.76 | -1.63% | 754,169 |
| 2026-06-16 | 203.03 | 204.70 | 199.66 | 201.04 | -0.56% | 1,020,330 |
| 2026-06-15 | 202.25 | 203.20 | 200.37 | 202.18 | -0.43% | 1,009,385 |
| 2026-06-12 | 205.53 | 205.96 | 202.38 | 203.06 | -0.38% | 898,894 |
| 2026-06-11 | 204.07 | 207.50 | 202.54 | 203.83 | +0.02% | 1,079,981 |
| 2026-06-10 | 203.35 | 207.30 | 202.97 | 203.78 | -0.37% | 786,592 |
| 2026-06-09 | 197.90 | 204.84 | 196.99 | 204.53 | +3.71% | 747,133 |
| 2026-06-08 | 202.08 | 202.08 | 196.70 | 197.21 | -1.54% | 821,692 |
| 2026-06-05 | 197.41 | 201.54 | 197.31 | 200.29 | +2.13% | 816,170 |
| 2026-06-04 | 194.99 | 201.99 | 194.99 | 196.12 | +1.27% | 735,926 |
| 2026-06-03 | 193.00 | 195.21 | 192.38 | 193.67 | +0.26% | 648,074 |
| 2026-06-02 | 192.93 | 193.31 | 191.01 | 193.16 | +0.50% | 678,596 |
| 2026-06-01 | 194.14 | 196.48 | 191.85 | 192.20 | -1.39% | 609,501 |
| 2026-05-29 | 196.59 | 197.38 | 194.29 | 194.90 | -0.66% | 1,264,321 |
| 2026-05-28 | 194.03 | 196.79 | 193.91 | 196.20 | +1.14% | 653,708 |
| 2026-05-27 | 194.26 | 196.32 | 192.57 | 193.99 | +0.58% | 597,235 |
| 2026-05-26 | 194.26 | 194.69 | 192.35 | 192.88 | -1.19% | 869,412 |
| 2026-05-22 | 193.99 | 196.92 | 193.96 | 195.21 | +0.72% | 871,497 |
| 2026-05-21 | 192.73 | 193.83 | 188.88 | 193.82 | +0.04% | 473,967 |
| 2026-05-20 | 191.87 | 194.85 | 190.40 | 193.75 | +1.76% | 948,706 |
| 2026-05-19 | 189.24 | 191.18 | 187.06 | 190.39 | +0.29% | 794,562 |
| 2026-05-18 | 187.64 | 191.16 | 187.25 | 189.84 | +1.73% | 926,152 |
| 2026-05-15 | 189.16 | 189.88 | 186.43 | 186.61 | -0.71% | 1,081,530 |
| 2026-05-14 | 190.92 | 192.80 | 187.14 | 187.94 | -1.52% | 768,064 |
| 2026-05-13 | 188.81 | 191.11 | 187.51 | 190.85 | +0.35% | 693,146 |
| 2026-05-12 | 191.21 | 192.30 | 189.47 | 190.18 | +0.19% | 754,932 |
| 2026-05-11 | 187.36 | 190.45 | 187.13 | 189.81 | +1.29% | 620,698 |
| 2026-05-08 | 191.71 | 192.20 | 186.23 | 187.39 | -1.81% | 762,516 |
| 2026-05-07 | 188.19 | 190.99 | 187.90 | 190.84 | +0.90% | 739,973 |
| 2026-05-06 | 190.89 | 192.62 | 188.49 | 189.13 | -0.90% | 898,644 |
| 2026-05-05 | 191.39 | 191.70 | 189.18 | 190.84 | -0.34% | 613,834 |
| 2026-05-04 | 190.61 | 193.50 | 190.41 | 191.50 | -0.61% | 567,482 |
| 2026-05-01 | 194.50 | 196.34 | 192.21 | 192.67 | -0.79% | 691,960 |
| 2026-04-30 | 190.24 | 195.87 | 189.91 | 194.20 | +2.58% | 1,109,986 |
| 2026-04-29 | 193.85 | 194.49 | 187.50 | 189.32 | -2.94% | 1,399,922 |
| 2026-04-28 | 198.59 | 198.78 | 194.27 | 195.05 | -0.80% | 909,135 |
| 2026-04-27 | 195.91 | 198.00 | 195.61 | 196.63 | +0.18% | 702,929 |
| 2026-04-24 | 199.99 | 200.07 | 194.46 | 196.27 | -1.63% | 1,038,852 |
| 2026-04-23 | 205.28 | 205.66 | 196.96 | 199.53 | -2.19% | 1,263,389 |
| 2026-04-22 | 205.37 | 207.00 | 198.71 | 204.00 | -0.51% | 1,609,415 |
| 2026-04-21 | 203.25 | 209.79 | 202.13 | 205.04 | +4.45% | 2,426,163 |
| 2026-04-20 | 194.22 | 196.77 | 191.63 | 196.31 | +0.66% | 1,964,250 |
| 2026-04-17 | 190.23 | 196.45 | 190.23 | 195.02 | +1.86% | 1,000,067 |
| 2026-04-16 | 191.22 | 194.27 | 191.15 | 191.46 | +0.02% | 987,366 |
| 2026-04-15 | 193.17 | 194.28 | 191.04 | 191.42 | -1.41% | 877,973 |
| 2026-04-14 | 192.27 | 194.26 | 191.16 | 194.16 | +0.65% | 885,499 |
| 2026-04-13 | 191.03 | 193.13 | 189.72 | 192.91 | +0.73% | 898,996 |
| 2026-04-10 | 197.66 | 197.66 | 190.12 | 191.51 | -3.19% | 1,044,169 |
| 2026-04-09 | 197.93 | 199.41 | 196.55 | 197.82 | -0.50% | 718,355 |
| 2026-04-08 | 196.18 | 198.89 | 194.02 | 198.81 | +1.02% | 799,277 |
| 2026-04-07 | 199.49 | 201.00 | 195.70 | 196.81 | -1.08% | 908,927 |
| 2026-04-06 | 196.87 | 199.22 | 196.57 | 198.96 | +0.47% | 477,839 |
| 2026-04-02 | 196.66 | 199.14 | 196.06 | 198.02 | +0.17% | 519,962 |
| 2026-04-01 | 195.51 | 198.86 | 194.09 | 197.69 | +0.87% | 587,379 |
| 2026-03-31 | 194.86 | 198.95 | 192.73 | 195.98 | -0.60% | 1,268,735 |
| 2026-03-30 | 196.67 | 197.56 | 194.72 | 197.16 | +0.84% | 865,570 |
| 2026-03-27 | 197.93 | 198.63 | 194.57 | 195.51 | -1.33% | 976,313 |
| 2026-03-26 | 196.24 | 198.88 | 195.00 | 198.15 | +0.86% | 706,214 |
| 2026-03-25 | 196.77 | 197.72 | 194.28 | 196.46 | +0.19% | 679,761 |
| 2026-03-24 | 194.58 | 197.03 | 193.81 | 196.08 | +0.25% | 759,239 |
| 2026-03-23 | 197.33 | 202.91 | 195.23 | 195.60 | +0.17% | 881,169 |
| 2026-03-20 | 194.07 | 196.83 | 192.79 | 195.26 | +0.57% | 2,030,142 |
| 2026-03-19 | 195.01 | 197.21 | 193.91 | 194.16 | -0.55% | 806,594 |
| 2026-03-18 | 197.07 | 201.49 | 194.88 | 195.23 | -1.70% | 694,228 |
| 2026-03-17 | 200.70 | 200.70 | 197.18 | 198.61 | -0.17% | 795,424 |
| 2026-03-16 | 200.98 | 201.88 | 198.86 | 198.94 | -0.38% | 777,162 |
| 2026-03-13 | 202.84 | 205.00 | 199.09 | 199.70 | -0.59% | 663,197 |
| 2026-03-12 | 200.34 | 203.00 | 199.97 | 200.88 | +0.16% | 772,795 |
| 2026-03-11 | 199.99 | 201.71 | 198.37 | 200.56 | -0.17% | 646,704 |
| 2026-03-10 | 203.15 | 204.39 | 198.87 | 200.90 | -0.34% | 675,986 |
| 2026-03-09 | 198.25 | 202.47 | 195.39 | 201.58 | +1.19% | 819,621 |
| 2026-03-06 | 203.76 | 203.78 | 199.01 | 199.21 | -2.34% | 1,055,725 |
| 2026-03-05 | 206.21 | 206.21 | 203.47 | 203.98 | -2.14% | 604,125 |
| 2026-03-04 | 208.14 | 209.76 | 207.11 | 208.45 | +0.04% | 508,312 |
| 2026-03-03 | 207.73 | 209.82 | 203.89 | 208.36 | -0.90% | 779,701 |
| 2026-03-02 | 212.52 | 213.26 | 209.43 | 210.25 | -0.78% | 922,368 |
| 2026-02-27 | 211.09 | 213.50 | 208.97 | 211.91 | +0.38% | 1,058,749 |
| 2026-02-26 | 208.67 | 211.56 | 208.09 | 211.10 | +1.59% | 783,746 |
| 2026-02-25 | 209.52 | 210.69 | 206.13 | 207.80 | -0.83% | 798,327 |
| 2026-02-24 | 207.81 | 209.90 | 206.35 | 209.54 | +1.02% | 882,102 |
| 2026-02-23 | 201.99 | 207.72 | 201.99 | 207.43 | +2.48% | 783,079 |
| 2026-02-20 | 204.36 | 204.41 | 200.94 | 202.41 | -0.01% | 642,091 |
| 2026-02-19 | 204.83 | 205.09 | 202.00 | 202.44 | -0.95% | 815,555 |
| 2026-02-18 | 205.27 | 206.75 | 203.17 | 204.39 | -0.54% | 871,747 |
| 2026-02-17 | 207.99 | 208.93 | 202.82 | 205.49 | -0.67% | 971,250 |
| 2026-02-13 | 207.48 | 209.39 | 204.58 | 206.87 | +0.00% | 1,354,595 |
| 2026-02-12 | 211.80 | 213.20 | 206.81 | 206.86 | -1.18% | 1,671,555 |
| 2026-02-11 | 207.04 | 210.38 | 201.99 | 209.32 | +1.93% | 1,431,227 |
| 2026-02-10 | 194.72 | 207.05 | 191.90 | 205.35 | +7.37% | 2,307,873 |
| 2026-02-09 | 190.00 | 191.78 | 187.58 | 191.25 | +0.28% | 1,925,583 |
| 2026-02-06 | 193.20 | 193.60 | 189.94 | 190.71 | -0.83% | 1,099,523 |
| 2026-02-05 | 190.00 | 193.46 | 188.65 | 192.30 | +1.62% | 1,635,791 |
| 2026-02-04 | 185.34 | 189.80 | 185.13 | 189.23 | +2.19% | 1,337,516 |
| 2026-02-03 | 184.78 | 189.13 | 184.69 | 185.17 | +0.09% | 807,907 |
| 2026-02-02 | 186.01 | 186.93 | 182.36 | 185.00 | -1.09% | 1,003,761 |
| 2026-01-30 | 183.81 | 187.19 | 183.81 | 187.03 | +2.57% | 1,164,074 |
| 2026-01-29 | 182.17 | 183.97 | 181.68 | 182.35 | -0.21% | 635,677 |
| 2026-01-28 | 183.02 | 183.58 | 181.63 | 182.74 | -0.81% | 838,875 |
| 2026-01-27 | 181.51 | 184.39 | 181.47 | 184.24 | +0.94% | 667,916 |
| 2026-01-26 | 182.14 | 183.79 | 181.37 | 182.53 | +0.83% | 681,866 |
| 2026-01-23 | 181.94 | 182.44 | 179.73 | 181.02 | -0.63% | 848,894 |
| 2026-01-22 | 185.11 | 185.47 | 182.01 | 182.16 | -1.35% | 1,754,222 |
| 2026-01-21 | 189.02 | 189.75 | 184.43 | 184.65 | -2.28% | 1,140,357 |
| 2026-01-20 | 187.69 | 191.07 | 186.83 | 188.95 | -0.28% | 1,482,016 |
| 2026-01-16 | 189.40 | 190.96 | 188.75 | 189.49 | -0.40% | 1,132,571 |
| 2026-01-15 | 187.15 | 190.99 | 186.43 | 190.26 | +1.87% | 1,245,699 |
| 2026-01-14 | 180.50 | 187.09 | 179.83 | 186.77 | +3.78% | 1,498,946 |
| 2026-01-13 | 176.86 | 180.42 | 175.47 | 179.96 | +2.28% | 1,069,588 |
| 2026-01-12 | 175.81 | 176.06 | 173.51 | 175.94 | +0.86% | 695,248 |
| 2026-01-09 | 177.52 | 178.29 | 174.43 | 174.44 | -1.86% | 942,357 |
| 2026-01-08 | 178.19 | 180.66 | 176.70 | 177.74 | -0.22% | 870,097 |
| 2026-01-07 | 181.15 | 181.23 | 177.70 | 178.14 | -1.29% | 767,267 |
| 2026-01-06 | 173.38 | 181.22 | 173.38 | 180.46 | +4.02% | 1,165,444 |
| 2026-01-05 | 173.46 | 174.49 | 171.18 | 173.49 | -0.17% | 748,829 |
| 2026-01-02 | 173.31 | 173.81 | 172.03 | 173.79 | +0.15% | 683,170 |
| 2025-12-31 | 175.49 | 175.72 | 173.39 | 173.53 | -1.12% | 645,305 |
| 2025-12-30 | 175.30 | 176.37 | 175.03 | 175.49 | -0.02% | 732,816 |
| 2025-12-29 | 175.72 | 176.34 | 174.63 | 175.52 | -0.24% | 632,023 |
| 2025-12-26 | 176.47 | 176.73 | 175.65 | 175.94 | +0.01% | 402,681 |
| 2025-12-24 | 175.74 | 176.25 | 175.13 | 175.92 | +0.48% | 296,509 |
| 2025-12-23 | 176.55 | 176.55 | 174.48 | 175.08 | -0.71% | 652,768 |
| 2025-12-22 | 176.00 | 177.24 | 175.63 | 176.34 | +0.16% | 704,270 |
| 2025-12-19 | 175.80 | 176.83 | 174.59 | 176.06 | -0.05% | 1,580,889 |
| 2025-12-18 | 179.19 | 179.80 | 176.03 | 176.15 | -1.65% | 973,822 |
| 2025-12-17 | 178.33 | 179.23 | 177.02 | 179.10 | +0.25% | 1,652,324 |
| 2025-12-16 | 184.84 | 184.84 | 178.52 | 178.66 | -2.96% | 1,338,939 |
| 2025-12-15 | 183.25 | 184.81 | 182.96 | 184.11 | +0.85% | 951,930 |
| 2025-12-12 | 182.16 | 183.01 | 181.23 | 182.56 | +0.55% | 1,138,995 |
| 2025-12-11 | 179.64 | 182.06 | 179.51 | 181.57 | +1.15% | 685,602 |
| 2025-12-10 | 180.00 | 180.99 | 178.95 | 179.51 | -0.06% | 1,071,131 |
| 2025-12-09 | 181.71 | 182.77 | 178.61 | 179.62 | -1.21% | 846,482 |
| 2025-12-08 | 182.29 | 183.50 | 181.23 | 181.82 | -0.38% | 980,691 |
| 2025-12-05 | 183.20 | 184.19 | 182.08 | 182.51 | -0.91% | 738,192 |
| 2025-12-04 | 182.31 | 185.12 | 182.25 | 184.18 | +0.86% | 1,044,861 |
| 2025-12-03 | 183.27 | 184.16 | 182.21 | 182.61 | +0.03% | 1,057,340 |
| 2025-12-02 | 183.80 | 184.88 | 182.21 | 182.55 | -0.66% | 1,177,547 |
| 2025-12-01 | 188.50 | 189.38 | 183.66 | 183.77 | -2.86% | 1,163,080 |
| 2025-11-28 | 190.12 | 190.25 | 188.94 | 189.18 | -0.27% | 379,697 |
| 2025-11-26 | 191.44 | 192.25 | 189.22 | 189.69 | -1.38% | 869,621 |
| 2025-11-25 | 191.76 | 193.34 | 190.72 | 192.35 | +0.93% | 1,207,322 |
| 2025-11-24 | 192.75 | 192.75 | 189.74 | 190.58 | -0.35% | 2,285,266 |
| 2025-11-21 | 188.11 | 193.76 | 187.80 | 191.25 | +1.94% | 1,769,771 |
| 2025-11-20 | 187.14 | 188.76 | 186.25 | 187.61 | +0.89% | 1,104,444 |
| 2025-11-19 | 185.34 | 187.68 | 184.18 | 185.96 | +0.35% | 874,623 |
| 2025-11-18 | 187.35 | 188.16 | 184.35 | 185.32 | -0.47% | 1,368,410 |
| 2025-11-17 | 187.01 | 189.25 | 185.09 | 186.19 | -0.41% | 1,086,531 |
| 2025-11-14 | 186.89 | 188.89 | 186.12 | 186.95 | -0.34% | 923,858 |
| 2025-11-13 | 185.60 | 190.47 | 184.50 | 187.58 | +0.39% | 1,411,985 |
| 2025-11-12 | 188.36 | 189.07 | 186.81 | 186.85 | -1.06% | 1,076,555 |
| 2025-11-11 | 184.98 | 191.31 | 184.84 | 188.85 | +2.46% | 1,293,710 |
| 2025-11-10 | 178.20 | 184.59 | 175.76 | 184.31 | +2.68% | 1,592,564 |
| 2025-11-07 | 177.14 | 180.59 | 176.09 | 179.50 | +1.69% | 1,020,675 |
| 2025-11-06 | 177.99 | 178.98 | 175.67 | 176.51 | -0.98% | 830,158 |
| 2025-11-05 | 177.81 | 179.38 | 176.85 | 178.26 | +0.13% | 784,855 |
| 2025-11-04 | 179.35 | 180.04 | 176.27 | 178.03 | -0.45% | 1,059,509 |
| 2025-11-03 | 175.78 | 179.15 | 174.36 | 178.84 | +1.64% | 1,106,898 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: Nov (+5.10%). Worst month: Dec (-2.10%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-10-30
Quick answers
What is Quest Diagnostics Incorporated's (DGX) latest close?
251.82 on 2026-10-30, from the Closelook data lake's daily price record.
What is DGX's 52-week high and low?
256.99 high and 171.18 low over the trailing 52 weeks, as of 2026-10-30.
What is Quest Diagnostics Incorporated's strongest and weakest month historically?
Historically, DGX's strongest calendar month has been Nov (average +5.10%) and its weakest Dec (average -2.10%), based on 5 years of daily data (2022–2026).
How many years of seasonality does this cover?
5 years (2022–2026), computed from 1024 daily bars in the Closelook data lake.
What is the current Closelooknet signal on DGX?
Uptrend stack intact: Trades +5.6% vs the 50-day and +18.9% vs the 200-day average, 2% below the 52-week high and +48.4% off the 52-week low. Computed from daily closes. As of 2026-10-30. A research diary reading, not advice.
Is DGX above its 50-day and 200-day moving averages?
Quest Diagnostics Incorporated trades 5.6% above its 50-day and 18.9% above its 200-day moving average (6.0% above its 20-day). As of 2026-10-30.