If you invested $1000 in DexCom, Inc. (DXCM) 10 years ago, it would be worth $3,904.97 as of August 18, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $696.76, while $1000 invested 1 year ago would be worth $1,098.24. This corresponds to total returns of 290.5%, -30.32%, 9.82%, respectively, with annualized returns of 14.59%, -6.97%, 9.82%.
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 |
|---|---|---|---|---|---|---|
| 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 |
| July 17, 2026 | 77.86 | 76.65 | 76.65 | 78.01 | 75.95 | 4.97M |
| July 16, 2026 | 73.62 | 77.98 | 77.98 | 79.15 | 73.12 | 6.63M |
| July 15, 2026 | 74.42 | 72.73 | 72.73 | 75.13 | 72.08 | 4.14M |
| July 14, 2026 | 75.09 | 74.12 | 74.12 | 75.43 | 73.16 | 3.98M |
| July 13, 2026 | 75.56 | 76.35 | 76.35 | 76.42 | 74.58 | 3.54M |
| July 10, 2026 | 73.33 | 74.96 | 74.96 | 75.57 | 73.31 | 3.83M |
| July 09, 2026 | 73.74 | 73.02 | 73.02 | 73.78 | 71.25 | 4.16M |
| July 08, 2026 | 73.32 | 74.06 | 74.06 | 74.39 | 72.33 | 5.31M |
| July 07, 2026 | 73.85 | 73.57 | 73.57 | 73.97 | 72.07 | 5.57M |
| July 06, 2026 | 71.3 | 72.38 | 72.38 | 72.77 | 69.74 | 4.6M |
| July 02, 2026 | 69.14 | 71.25 | 71.25 | 71.57 | 69.14 | 3.25M |
| July 01, 2026 | 68.16 | 68.86 | 68.86 | 69.66 | 67.87 | 4.75M |
| June 30, 2026 | 70.96 | 67.35 | 67.35 | 70.96 | 67.3 | 4.29M |
| June 29, 2026 | 69.67 | 69.98 | 69.98 | 71.06 | 69.46 | 3.97M |
| June 26, 2026 | 68.44 | 70.14 | 70.14 | 70.38 | 68.28 | 6.86M |
| June 25, 2026 | 69.88 | 68.65 | 68.65 | 70.79 | 68.58 | 4.07M |
| June 24, 2026 | 69 | 69.75 | 69.75 | 71.08 | 68.92 | 3.8M |
| June 23, 2026 | 70.24 | 68.92 | 68.92 | 70.27 | 68.72 | 6.16M |
| June 22, 2026 | 71.89 | 69.07 | 69.07 | 71.92 | 68.55 | 5.55M |
| June 18, 2026 | 72.61 | 72.47 | 72.47 | 73.69 | 71.6 | 8.51M |
| June 17, 2026 | 73.14 | 71.23 | 71.23 | 74.26 | 70.9 | 4.3M |
| June 16, 2026 | 74.35 | 73.16 | 73.16 | 74.66 | 73.07 | 3.06M |
| June 15, 2026 | 75.7 | 74.22 | 74.22 | 75.7 | 73.53 | 5.39M |
| June 12, 2026 | 75.57 | 75.37 | 75.37 | 76.25 | 73.53 | 4.76M |
| June 11, 2026 | 74.85 | 75.25 | 75.25 | 76.03 | 74.04 | 6.56M |
| June 10, 2026 | 78.82 | 74.77 | 74.77 | 78.91 | 74.64 | 4.78M |
| June 09, 2026 | 77.48 | 78.19 | 78.19 | 78.82 | 76.5 | 5.17M |
| June 08, 2026 | 73.91 | 76.62 | 76.62 | 78.52 | 73 | 7.45M |
| June 05, 2026 | 73.47 | 72.86 | 72.86 | 75.44 | 72.52 | 4.67M |
| June 04, 2026 | 74.13 | 72.59 | 72.59 | 74.92 | 71.53 | 6.14M |
| June 03, 2026 | 73 | 72.77 | 72.77 | 73.25 | 71.95 | 4M |
| June 02, 2026 | 74.3 | 73.45 | 73.45 | 74.36 | 72.57 | 3.74M |
| June 01, 2026 | 73.49 | 74.87 | 74.87 | 76.35 | 72.5 | 6.14M |
| May 29, 2026 | 72.89 | 73.74 | 73.74 | 73.83 | 72.5 | 9.26M |
| May 28, 2026 | 70.11 | 72.34 | 72.34 | 72.76 | 69.6 | 5.62M |
| May 27, 2026 | 72.53 | 70.26 | 70.26 | 72.65 | 69.92 | 5.86M |
| May 26, 2026 | 72.02 | 72.01 | 72.01 | 73.1 | 70.14 | 5.31M |
| May 22, 2026 | 71.9 | 72.1 | 72.1 | 73.05 | 71.31 | 6.73M |
| May 21, 2026 | 71.55 | 71.9 | 71.9 | 72.27 | 70.18 | 9.08M |
| May 20, 2026 | 66.71 | 71.44 | 71.44 | 71.48 | 66.3 | 11.2M |