Quest Diagnostics Incorporated (DGX) NYSE
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Currency In USD
If you invested $1000 in Quest Diagnostics Incorporated (DGX) 10 years ago, it would be worth $3,499.28 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,835.62, while $1000 invested 1 year ago would be worth $1,341.13. This corresponds to total returns of 249.93%, 83.56%, 34.11%, respectively, with annualized returns of 13.34%, 12.92%, 34.11%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 22, 2026 | 226.5 | 243.28 | 243.28 | 246 | 226.22 | 1.69M |
| October 21, 2026 | 235.34 | 238.93 | 238.93 | 240.56 | 223.5 | 1.21M |
| October 20, 2026 | 236 | 237.12 | 237.12 | 237.29 | 234.06 | 1.1M |
| October 19, 2026 | 234.4 | 234.91 | 234.91 | 235.99 | 233.82 | 864,176 |
| October 16, 2026 | 239.67 | 235 | 235 | 240.75 | 233.56 | 799,642 |
| October 15, 2026 | 235.85 | 239.15 | 239.15 | 239.17 | 235.57 | 1M |
| October 14, 2026 | 231.32 | 233.43 | 233.43 | 234.97 | 231.32 | 1.2M |
| October 13, 2026 | 233.13 | 230.46 | 230.46 | 234.33 | 230.23 | 1.01M |
| October 12, 2026 | 228.66 | 232.63 | 232.63 | 234.64 | 228.66 | 864,471 |
| October 09, 2026 | 227.86 | 230.97 | 230.97 | 232.18 | 227.86 | 775,435 |
| October 08, 2026 | 228.16 | 230.81 | 230.81 | 231.08 | 226.36 | 910,827 |
| October 07, 2026 | 228.51 | 227.06 | 227.06 | 229.8 | 226.81 | 927,411 |
| October 06, 2026 | 229.92 | 228.39 | 228.39 | 232.09 | 225.78 | 1.78M |
| October 05, 2026 | 232.93 | 232.22 | 232.22 | 233.65 | 229.96 | 1.01M |
| October 02, 2026 | 230.58 | 233.33 | 233.33 | 233.48 | 228.83 | 1.1M |
| October 01, 2026 | 232.74 | 231.09 | 231.09 | 233.33 | 230.47 | 992,163 |
| September 30, 2026 | 233.33 | 233.07 | 233.07 | 236.97 | 230.84 | 1.08M |
| September 29, 2026 | 235.46 | 231.97 | 231.97 | 237.62 | 230.98 | 1.52M |
| September 28, 2026 | 234.27 | 237.62 | 237.62 | 238.1 | 233.81 | 1.03M |
| September 25, 2026 | 236.37 | 236.32 | 236.32 | 238.25 | 235.48 | 739,380 |
| September 24, 2026 | 234.08 | 236.59 | 236.59 | 237.29 | 233.55 | 923,982 |
| September 23, 2026 | 235.12 | 233 | 233 | 238.62 | 231.92 | 1.12M |
| September 22, 2026 | 228.59 | 234.76 | 234.76 | 237.29 | 227.24 | 2.72M |
| September 21, 2026 | 247.13 | 244.88 | 244.88 | 248.84 | 243.93 | 882,218 |
| September 18, 2026 | 246.52 | 246.45 | 246.45 | 247.63 | 244.89 | 1.92M |
| September 17, 2026 | 248.28 | 247.45 | 247.45 | 248.7 | 246.26 | 989,467 |
| September 16, 2026 | 245.47 | 247.08 | 247.08 | 248.57 | 244.85 | 948,630 |
| September 15, 2026 | 238.39 | 247.08 | 247.08 | 248.65 | 237.21 | 1.36M |
| September 11, 2026 | 233.2 | 235.02 | 235.02 | 235.12 | 229.33 | 996,745 |
| September 10, 2026 | 236.32 | 231.14 | 231.14 | 236.48 | 228.57 | 1.08M |
| September 09, 2026 | 233.58 | 235.46 | 235.46 | 236.24 | 232.43 | 782,141 |
| September 08, 2026 | 233.61 | 235.5 | 235.5 | 237.56 | 231.52 | 723,998 |
| September 04, 2026 | 235.38 | 237.14 | 237.14 | 238.92 | 235.38 | 775,412 |
| September 03, 2026 | 242 | 239.4 | 239.4 | 242 | 236.35 | 1.03M |
| September 02, 2026 | 238.03 | 240.8 | 240.8 | 242.84 | 236.27 | 1.14M |
| September 01, 2026 | 242.72 | 236.22 | 236.22 | 243.72 | 235.63 | 810,214 |
| August 31, 2026 | 241.99 | 240.3 | 240.3 | 242.64 | 239.4 | 1.33M |
| August 28, 2026 | 245.17 | 242.76 | 242.76 | 245.28 | 242.27 | 639,931 |
| August 27, 2026 | 242.83 | 244.61 | 244.61 | 247.19 | 242.44 | 833,310 |
| August 26, 2026 | 244.11 | 245 | 245 | 246 | 243.49 | 811,002 |
| August 25, 2026 | 243.93 | 244.51 | 244.51 | 245.78 | 241.79 | 709,135 |
| August 24, 2026 | 243.97 | 243.87 | 243.87 | 246 | 242.46 | 802,589 |
| August 21, 2026 | 240.33 | 244.39 | 244.39 | 244.7 | 239.43 | 1.26M |
| August 20, 2026 | 239.86 | 241.3 | 241.3 | 245.68 | 237.53 | 1.11M |
| August 19, 2026 | 238.1 | 241.76 | 241.76 | 242.39 | 237.38 | 923,839 |
| August 18, 2026 | 238.01 | 236.25 | 236.25 | 239.38 | 236.07 | 693,599 |
| August 17, 2026 | 233.94 | 235.52 | 235.52 | 237.17 | 233 | 582,470 |
| August 14, 2026 | 235.82 | 234.4 | 234.4 | 237.7 | 233.69 | 541,743 |
| August 13, 2026 | 239.1 | 236.04 | 236.04 | 240 | 235.65 | 549,029 |
| August 12, 2026 | 234.46 | 237.77 | 237.77 | 238.51 | 232.28 | 679,442 |
| August 11, 2026 | 236.35 | 237.5 | 237.5 | 239.92 | 235.51 | 846,733 |
| August 10, 2026 | 236.53 | 237.63 | 237.63 | 239.33 | 235.85 | 856,114 |
| August 07, 2026 | 236.34 | 238.35 | 238.35 | 239.38 | 236.34 | 568,326 |
| August 06, 2026 | 237.66 | 238.5 | 238.5 | 238.88 | 235.32 | 634,298 |
| August 05, 2026 | 234.22 | 235.84 | 235.84 | 236.67 | 232.56 | 674,191 |
| August 04, 2026 | 231.95 | 233.72 | 233.72 | 234.55 | 229.76 | 876,214 |
| August 03, 2026 | 232.84 | 231.95 | 231.95 | 233.44 | 230.54 | 839,184 |
| July 31, 2026 | 234 | 233.01 | 233.01 | 235.29 | 232.01 | 872,394 |
| July 30, 2026 | 230.91 | 234.3 | 234.3 | 235.61 | 229.01 | 926,432 |
| July 29, 2026 | 235.11 | 235.22 | 235.22 | 237.84 | 233 | 964,441 |