Tandem Diabetes Care, Inc. (TNDM)
NASDAQ: TNDM · Real-Time Price · USD
12.27
-0.52 (-4.07%)
At close: Sep 12, 2025, 4:00 PM EDT
12.49
+0.22 (1.79%)
After-hours: Sep 12, 2025, 7:10 PM EDT
Tandem Diabetes Care Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 12, 2025 | 12.79 | 12.89 | 12.09 | 12.27 | 12.27 | -4.07% | 2,114,462 |
| Sep 11, 2025 | 12.42 | 13.18 | 12.40 | 12.79 | 12.79 | 3.40% | 1,915,186 |
| Sep 10, 2025 | 12.45 | 12.63 | 12.10 | 12.37 | 12.37 | -1.51% | 1,870,523 |
| Sep 9, 2025 | 12.50 | 12.75 | 12.36 | 12.56 | 12.56 | 0.48% | 1,290,220 |
| Sep 8, 2025 | 12.59 | 12.67 | 12.20 | 12.50 | 12.50 | -0.64% | 1,382,547 |
| Sep 5, 2025 | 12.45 | 12.84 | 12.34 | 12.58 | 12.58 | 1.53% | 1,612,194 |
| Sep 4, 2025 | 12.40 | 12.50 | 11.88 | 12.39 | 12.39 | 0.32% | 1,362,508 |
| Sep 3, 2025 | 12.77 | 13.10 | 12.16 | 12.35 | 12.35 | -3.36% | 1,825,272 |
| Sep 2, 2025 | 12.53 | 13.00 | 12.38 | 12.78 | 12.78 | 2.16% | 1,926,269 |
| Aug 29, 2025 | 11.83 | 12.53 | 11.83 | 12.51 | 12.51 | 6.11% | 1,441,807 |
| Aug 28, 2025 | 12.24 | 12.28 | 11.70 | 11.79 | 11.79 | -3.76% | 2,436,278 |
| Aug 27, 2025 | 12.24 | 12.74 | 12.19 | 12.25 | 12.25 | 0.08% | 1,782,923 |
| Aug 26, 2025 | 12.20 | 12.31 | 11.99 | 12.24 | 12.24 | 1.07% | 1,613,238 |
| Aug 25, 2025 | 11.80 | 12.20 | 11.66 | 12.11 | 12.11 | 1.51% | 2,390,460 |
| Aug 22, 2025 | 11.18 | 12.08 | 11.16 | 11.93 | 11.93 | 7.96% | 2,189,029 |
| Aug 21, 2025 | 10.56 | 11.17 | 10.44 | 11.05 | 11.05 | 3.46% | 1,737,685 |
| Aug 20, 2025 | 10.80 | 10.94 | 10.25 | 10.68 | 10.68 | -1.93% | 2,736,767 |
| Aug 19, 2025 | 10.98 | 11.10 | 10.74 | 10.89 | 10.89 | 0.46% | 1,458,150 |
| Aug 18, 2025 | 10.76 | 11.30 | 10.75 | 10.84 | 10.84 | 0.18% | 2,340,700 |
| Aug 15, 2025 | 10.72 | 11.17 | 10.70 | 10.82 | 10.82 | 1.50% | 2,127,043 |
| Aug 14, 2025 | 11.17 | 11.26 | 10.64 | 10.66 | 10.66 | -4.22% | 2,059,504 |
| Aug 13, 2025 | 11.15 | 11.82 | 11.01 | 11.13 | 11.13 | 0.23% | 3,029,948 |
| Aug 12, 2025 | 11.07 | 11.23 | 10.65 | 11.11 | 11.11 | 9.79% | 3,657,603 |
| Aug 11, 2025 | 11.11 | 11.13 | 10.00 | 10.12 | 10.12 | -9.93% | 3,142,466 |
| Aug 8, 2025 | 11.65 | 12.47 | 10.77 | 11.23 | 11.23 | -2.52% | 4,458,148 |
| Aug 7, 2025 | 10.50 | 11.56 | 9.98 | 11.52 | 11.52 | -19.94% | 11,847,415 |
| Aug 6, 2025 | 14.91 | 15.14 | 13.94 | 14.39 | 14.39 | -5.02% | 3,401,047 |
| Aug 5, 2025 | 15.54 | 15.54 | 14.92 | 15.15 | 15.15 | -1.75% | 1,515,765 |
| Aug 4, 2025 | 15.40 | 15.63 | 14.67 | 15.42 | 15.42 | 0.13% | 1,966,204 |
| Aug 1, 2025 | 15.48 | 15.66 | 15.05 | 15.40 | 15.40 | -1.16% | 1,386,256 |
| Jul 31, 2025 | 16.30 | 16.30 | 15.52 | 15.58 | 15.58 | -6.54% | 1,808,875 |
| Jul 30, 2025 | 16.72 | 17.02 | 16.34 | 16.67 | 16.67 | -0.12% | 1,433,279 |
| Jul 29, 2025 | 16.86 | 17.19 | 16.32 | 16.69 | 16.69 | -0.89% | 1,847,234 |
| Jul 28, 2025 | 15.95 | 16.91 | 15.90 | 16.84 | 16.84 | 5.98% | 2,240,350 |
| Jul 25, 2025 | 15.51 | 15.90 | 15.21 | 15.89 | 15.89 | 2.91% | 1,323,908 |
| Jul 24, 2025 | 16.14 | 16.35 | 15.43 | 15.44 | 15.44 | -4.40% | 1,456,921 |
| Jul 23, 2025 | 15.45 | 16.17 | 15.33 | 16.15 | 16.15 | 5.49% | 1,731,597 |
| Jul 22, 2025 | 14.76 | 15.60 | 14.76 | 15.31 | 15.31 | 4.65% | 1,517,364 |
| Jul 21, 2025 | 14.78 | 14.98 | 14.31 | 14.63 | 14.63 | -0.95% | 1,411,996 |
| Jul 18, 2025 | 15.53 | 15.68 | 14.66 | 14.77 | 14.77 | -3.84% | 1,684,848 |
| Jul 17, 2025 | 15.84 | 16.31 | 15.25 | 15.36 | 15.36 | -2.48% | 1,755,952 |
| Jul 16, 2025 | 15.34 | 15.93 | 15.19 | 15.75 | 15.75 | 3.62% | 1,832,506 |
| Jul 15, 2025 | 15.94 | 15.98 | 14.87 | 15.20 | 15.20 | -3.49% | 2,145,980 |
| Jul 14, 2025 | 15.52 | 15.97 | 15.45 | 15.75 | 15.75 | 1.03% | 1,663,298 |
| Jul 11, 2025 | 16.00 | 16.24 | 15.44 | 15.59 | 15.59 | -3.59% | 1,535,053 |
| Jul 10, 2025 | 15.80 | 16.26 | 15.46 | 16.17 | 16.17 | 2.02% | 1,476,800 |
| Jul 9, 2025 | 15.34 | 16.35 | 15.17 | 15.85 | 15.85 | -4.63% | 2,268,937 |
| Jul 8, 2025 | 16.32 | 17.12 | 16.26 | 16.62 | 16.62 | 2.28% | 1,611,872 |
| Jul 7, 2025 | 16.69 | 16.69 | 15.80 | 16.25 | 16.25 | -3.16% | 2,225,126 |
| Jul 3, 2025 | 17.20 | 17.29 | 16.60 | 16.78 | 16.78 | -1.76% | 1,096,347 |