Tandem Diabetes Care, Inc. (TNDM)
NASDAQ: TNDM · Real-Time Price · USD
19.11
-0.68 (-3.44%)
Oct 30, 2026, 4:00 PM EDT - Market closed
Tandem Diabetes Care Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 30, 2026 | 19.42 | 19.59 | 18.71 | 19.11 | 19.11 | -3.44% | 1,874,210 |
| Oct 29, 2026 | 19.71 | 20.25 | 19.46 | 19.79 | 19.79 | 0.56% | 3,357,364 |
| Oct 28, 2026 | 18.93 | 19.71 | 18.75 | 19.68 | 19.68 | 2.39% | 2,137,736 |
| Oct 27, 2026 | 18.73 | 19.25 | 18.18 | 19.22 | 19.22 | 1.69% | 2,059,589 |
| Oct 26, 2026 | 17.42 | 18.98 | 17.21 | 18.90 | 18.90 | 8.43% | 4,488,327 |
| Oct 23, 2026 | 17.06 | 17.56 | 16.89 | 17.43 | 17.43 | 1.63% | 1,820,162 |
| Oct 22, 2026 | 16.47 | 17.20 | 16.24 | 17.15 | 17.15 | 4.89% | 1,871,156 |
| Oct 21, 2026 | 16.60 | 16.95 | 16.12 | 16.35 | 16.35 | -1.03% | 1,532,413 |
| Oct 20, 2026 | 16.47 | 16.87 | 16.37 | 16.52 | 16.52 | 0.85% | 1,587,038 |
| Oct 19, 2026 | 16.23 | 16.53 | 16.00 | 16.38 | 16.38 | 0.86% | 1,272,447 |
| Oct 16, 2026 | 16.61 | 17.25 | 16.14 | 16.24 | 16.24 | -1.69% | 1,634,342 |
| Oct 15, 2026 | 16.01 | 16.55 | 15.61 | 16.52 | 16.52 | 3.19% | 4,590,449 |
| Oct 14, 2026 | 16.64 | 16.70 | 15.86 | 16.01 | 16.01 | -3.84% | 2,221,716 |
| Oct 13, 2026 | 16.24 | 16.80 | 15.72 | 16.65 | 16.65 | 1.22% | 1,708,695 |
| Oct 12, 2026 | 16.11 | 16.91 | 15.86 | 16.45 | 16.45 | 2.11% | 1,579,727 |
| Oct 9, 2026 | 15.64 | 16.13 | 15.38 | 16.11 | 16.11 | 2.78% | 1,431,356 |
| Oct 8, 2026 | 15.57 | 15.77 | 15.13 | 15.68 | 15.68 | -1.04% | 2,899,015 |
| Oct 7, 2026 | 15.80 | 16.64 | 15.73 | 15.84 | 15.84 | -1.98% | 2,273,376 |
| Oct 6, 2026 | 16.77 | 17.05 | 15.94 | 16.16 | 16.16 | -2.18% | 1,484,879 |
| Oct 5, 2026 | 16.50 | 16.95 | 16.14 | 16.52 | 16.52 | 0.12% | 1,790,265 |
| Oct 2, 2026 | 16.66 | 17.35 | 16.27 | 16.50 | 16.50 | - | 2,194,632 |
| Oct 1, 2026 | 16.42 | 16.58 | 16.04 | 16.50 | 16.50 | 1.16% | 2,402,333 |
| Sep 30, 2026 | 16.63 | 16.68 | 16.00 | 16.31 | 16.31 | -1.57% | 2,198,742 |
| Sep 29, 2026 | 16.24 | 16.65 | 15.87 | 16.57 | 16.57 | 0.91% | 1,892,490 |
| Sep 28, 2026 | 15.60 | 16.54 | 15.52 | 16.42 | 16.42 | 4.45% | 2,852,542 |
| Sep 25, 2026 | 15.20 | 16.18 | 14.83 | 15.72 | 15.72 | 3.29% | 2,839,699 |
| Sep 24, 2026 | 16.43 | 16.60 | 15.20 | 15.22 | 15.22 | -7.08% | 2,651,703 |
| Sep 23, 2026 | 17.44 | 17.67 | 15.87 | 16.38 | 16.38 | -6.40% | 2,806,771 |
| Sep 22, 2026 | 17.88 | 18.03 | 16.97 | 17.50 | 17.50 | -0.68% | 2,688,156 |
| Sep 21, 2026 | 17.01 | 17.83 | 16.60 | 17.62 | 17.62 | 4.45% | 2,101,592 |
| Sep 18, 2026 | 17.13 | 17.15 | 16.77 | 16.87 | 16.87 | -2.09% | 2,284,175 |
| Sep 17, 2026 | 17.72 | 17.72 | 16.93 | 17.23 | 17.23 | -1.71% | 2,218,241 |
| Sep 16, 2026 | 16.31 | 18.00 | 16.12 | 17.53 | 17.53 | 7.68% | 3,866,508 |
| Sep 15, 2026 | 16.66 | 17.01 | 16.25 | 16.28 | 16.28 | -3.15% | 2,379,782 |
| Sep 14, 2026 | 17.18 | 17.62 | 16.60 | 16.81 | 16.81 | -1.75% | 2,201,456 |
| Sep 11, 2026 | 18.48 | 18.67 | 17.07 | 17.11 | 17.11 | -6.55% | 1,789,050 |
| Sep 10, 2026 | 18.77 | 19.05 | 18.10 | 18.31 | 18.31 | -4.19% | 1,589,503 |
| Sep 9, 2026 | 19.67 | 19.73 | 19.04 | 19.11 | 19.11 | -3.87% | 1,569,596 |
| Sep 8, 2026 | 19.51 | 20.62 | 19.34 | 19.88 | 19.88 | -0.10% | 1,637,231 |
| Sep 4, 2026 | 20.04 | 20.36 | 19.49 | 19.90 | 19.90 | -2.59% | 1,363,547 |
| Sep 3, 2026 | 20.71 | 20.91 | 20.03 | 20.43 | 20.43 | -0.63% | 1,593,477 |
| Sep 2, 2026 | 21.25 | 21.74 | 20.54 | 20.56 | 20.56 | -3.38% | 1,136,332 |
| Sep 1, 2026 | 21.98 | 22.21 | 21.08 | 21.28 | 21.28 | -3.32% | 919,278 |
| Aug 31, 2026 | 21.00 | 22.30 | 20.56 | 22.01 | 22.01 | 2.71% | 1,657,006 |
| Aug 28, 2026 | 21.40 | 21.77 | 21.22 | 21.43 | 21.43 | 0.14% | 921,993 |
| Aug 27, 2026 | 21.20 | 21.94 | 21.02 | 21.40 | 21.40 | 0.14% | 1,031,168 |
| Aug 26, 2026 | 21.24 | 21.59 | 21.02 | 21.37 | 21.37 | -0.97% | 1,117,638 |
| Aug 25, 2026 | 22.16 | 22.16 | 21.30 | 21.58 | 21.58 | -2.88% | 1,186,486 |
| Aug 24, 2026 | 22.40 | 23.00 | 22.06 | 22.22 | 22.22 | -0.45% | 1,064,351 |
| Aug 21, 2026 | 23.25 | 23.25 | 22.06 | 22.32 | 22.32 | -1.11% | 1,636,304 |