If you invested $1000 in DexCom, Inc. (DXCM) 10 years ago, it would be worth $4,073.69 as of October 15, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $613.21, while $1000 invested 1 year ago would be worth $1,276.1. This corresponds to total returns of 307.37%, -38.68%, 27.61%, respectively, with annualized returns of 15.08%, -9.31%, 27.61%.
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 14, 2026 | 85.89 | 83.47 | 83.47 | 86.18 | 83.3 | 3.48M |
| October 13, 2026 | 86.19 | 85.06 | 85.06 | 86.6 | 84.49 | 3.81M |
| October 12, 2026 | 84.6 | 85.92 | 85.92 | 86.1 | 84.21 | 2.89M |
| October 09, 2026 | 84.41 | 84.11 | 84.11 | 85.49 | 82.94 | 3.11M |
| October 08, 2026 | 84.01 | 84.41 | 84.41 | 84.54 | 83.08 | 3.6M |
| October 07, 2026 | 83.81 | 84.3 | 84.3 | 85.7 | 83.74 | 2.86M |
| October 06, 2026 | 86.28 | 83.39 | 83.39 | 86.75 | 82.86 | 3.57M |
| October 05, 2026 | 84.75 | 86.9 | 86.9 | 87.12 | 84.75 | 2.95M |
| October 02, 2026 | 86.67 | 85.36 | 85.36 | 86.67 | 84.8 | 2.17M |
| October 01, 2026 | 86.46 | 86.23 | 86.23 | 87.7 | 85.81 | 3.03M |
| September 30, 2026 | 86.21 | 86.29 | 86.29 | 86.75 | 85.26 | 3.4M |
| September 29, 2026 | 86.63 | 86.64 | 86.64 | 87.03 | 85.24 | 2.92M |
| September 28, 2026 | 86.87 | 86.68 | 86.68 | 87.34 | 85.27 | 3.34M |
| September 25, 2026 | 87.38 | 86.62 | 86.62 | 87.64 | 86.36 | 1.86M |
| September 24, 2026 | 87.68 | 87.47 | 87.47 | 88 | 86.88 | 2.11M |
| September 23, 2026 | 89.5 | 87.73 | 87.73 | 90.05 | 87.36 | 3.62M |
| September 22, 2026 | 89.12 | 89.53 | 89.53 | 90.39 | 88.18 | 7.19M |
| September 21, 2026 | 88.83 | 89.17 | 89.17 | 89.68 | 88.33 | 3.47M |
| September 18, 2026 | 87.83 | 89.35 | 89.35 | 89.92 | 87.39 | 14.52M |
| September 17, 2026 | 87.54 | 87.93 | 87.93 | 88.26 | 87.17 | 2.82M |
| September 16, 2026 | 86.05 | 87.34 | 87.34 | 88.79 | 86.05 | 3.53M |
| September 15, 2026 | 84.04 | 86.45 | 86.45 | 87.36 | 83.26 | 5.95M |
| September 11, 2026 | 84.65 | 83.03 | 83.03 | 85.82 | 82.83 | 2.44M |
| September 10, 2026 | 83.27 | 84.51 | 84.51 | 84.82 | 82.29 | 3.49M |
| September 09, 2026 | 83.93 | 83.88 | 83.88 | 85.16 | 82.8 | 3.95M |
| September 08, 2026 | 86.59 | 84.53 | 84.53 | 86.75 | 84.24 | 8.08M |
| September 04, 2026 | 88.78 | 87.9 | 87.9 | 89 | 87.65 | 2.27M |
| September 03, 2026 | 89.73 | 89.71 | 89.71 | 91 | 89.05 | 1.56M |
| September 02, 2026 | 90.03 | 89.69 | 89.69 | 91.9 | 89.54 | 1.82M |
| September 01, 2026 | 90.83 | 90.14 | 90.14 | 92.34 | 89.91 | 2.12M |
| August 31, 2026 | 90 | 91.06 | 91.06 | 91.18 | 89.09 | 2.99M |
| August 28, 2026 | 89.81 | 90.82 | 90.82 | 90.84 | 88.83 | 2.54M |
| August 27, 2026 | 88.37 | 89.29 | 89.29 | 90.43 | 87.6 | 3.01M |
| August 26, 2026 | 88.17 | 88.96 | 88.96 | 89.76 | 87.51 | 3.82M |
| August 25, 2026 | 90.73 | 89.16 | 89.16 | 91.14 | 88.78 | 4.11M |
| August 24, 2026 | 92.3 | 91.06 | 91.06 | 92.59 | 91.03 | 4.4M |
| August 21, 2026 | 89.61 | 92.34 | 92.34 | 92.56 | 89.2 | 3.48M |
| August 20, 2026 | 89.42 | 90.22 | 90.22 | 91.39 | 89.28 | 5.09M |
| August 19, 2026 | 90.3 | 89.88 | 89.88 | 91.92 | 89.24 | 8.63M |
| August 18, 2026 | 89.49 | 89.6 | 89.6 | 91.5 | 88.98 | 3.35M |
| August 17, 2026 | 89.34 | 88.76 | 88.76 | 89.9 | 88.15 | 3.57M |
| August 14, 2026 | 91.96 | 89.75 | 89.75 | 91.96 | 89.42 | 3.84M |
| August 13, 2026 | 90.82 | 91.48 | 91.48 | 91.62 | 90.15 | 4.66M |
| August 12, 2026 | 89.04 | 90.8 | 90.8 | 91.04 | 88.27 | 5.29M |
| August 11, 2026 | 87.59 | 89.53 | 89.53 | 89.56 | 87.06 | 5.87M |
| August 10, 2026 | 84.81 | 87.65 | 87.65 | 88.18 | 84.53 | 7.8M |
| August 07, 2026 | 82.49 | 84.75 | 84.75 | 85.06 | 82.09 | 4.58M |
| August 06, 2026 | 82.91 | 83.02 | 83.02 | 83.69 | 82.47 | 3.79M |
| August 05, 2026 | 86.47 | 82.66 | 82.66 | 86.47 | 82.3 | 5.9M |
| August 04, 2026 | 87.14 | 86.94 | 86.94 | 87.85 | 86.21 | 5.96M |
| August 03, 2026 | 85.25 | 87.31 | 87.31 | 87.63 | 83.5 | 9.04M |
| July 31, 2026 | 79.88 | 83.45 | 83.45 | 84.7 | 79.5 | 11.94M |
| July 30, 2026 | 73.93 | 74.54 | 74.54 | 74.87 | 73.24 | 5.38M |
| July 29, 2026 | 74.42 | 75.14 | 75.14 | 76.08 | 73.44 | 6.25M |
| July 28, 2026 | 74.57 | 74.85 | 74.85 | 76.09 | 74.09 | 4.07M |
| July 27, 2026 | 72 | 73.37 | 73.37 | 74.59 | 72 | 4.99M |
| July 23, 2026 | 71.08 | 70.48 | 70.48 | 71.43 | 70.28 | 3.21M |
| July 22, 2026 | 75.04 | 71.43 | 71.43 | 75.29 | 70.73 | 3.82M |
| July 21, 2026 | 76.12 | 74.75 | 74.75 | 76.95 | 74.08 | 3.84M |
| July 20, 2026 | 76.6 | 75.69 | 75.69 | 77.08 | 75.66 | 3.11M |