Tandem Diabetes Care, Inc. (TNDM)
NASDAQ: TNDM · Real-Time Price · USD
23.85
-0.06 (-0.25%)
At close: Mar 18, 2026, 4:00 PM EDT
24.36
+0.51 (2.14%)
After-hours: Mar 18, 2026, 5:10 PM EDT
Tandem Diabetes Care Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 18, 2026 | 23.91 | 24.45 | 23.56 | 23.85 | 23.85 | -0.25% | 1,653,109 |
| Mar 17, 2026 | 23.16 | 24.79 | 23.03 | 23.91 | 23.91 | 9.13% | 3,611,134 |
| Mar 16, 2026 | 21.79 | 22.34 | 21.42 | 21.91 | 21.91 | 1.48% | 1,362,066 |
| Mar 13, 2026 | 21.03 | 21.85 | 20.91 | 21.59 | 21.59 | 3.43% | 2,051,913 |
| Mar 12, 2026 | 21.51 | 22.06 | 20.69 | 20.88 | 20.88 | -5.80% | 1,418,040 |
| Mar 11, 2026 | 21.57 | 22.54 | 21.15 | 22.16 | 22.16 | 1.28% | 1,929,589 |
| Mar 10, 2026 | 21.24 | 22.11 | 20.43 | 21.88 | 21.88 | 4.79% | 1,532,753 |
| Mar 9, 2026 | 20.60 | 21.28 | 20.17 | 20.88 | 20.88 | -1.23% | 2,097,599 |
| Mar 6, 2026 | 22.12 | 22.59 | 21.02 | 21.14 | 21.14 | -6.58% | 1,797,423 |
| Mar 5, 2026 | 22.81 | 23.22 | 22.31 | 22.63 | 22.63 | -3.33% | 1,538,453 |
| Mar 4, 2026 | 23.92 | 24.48 | 23.38 | 23.41 | 23.41 | -1.39% | 1,762,238 |
| Mar 3, 2026 | 24.41 | 24.64 | 23.62 | 23.74 | 23.74 | -5.91% | 2,159,910 |
| Mar 2, 2026 | 24.88 | 25.39 | 24.32 | 25.23 | 25.23 | -0.28% | 1,457,488 |
| Feb 27, 2026 | 26.10 | 26.10 | 24.93 | 25.30 | 25.30 | -1.90% | 1,780,431 |
| Feb 26, 2026 | 25.98 | 26.88 | 25.57 | 25.79 | 25.79 | -0.85% | 2,778,290 |
| Feb 25, 2026 | 26.92 | 27.05 | 25.62 | 26.01 | 26.01 | -3.31% | 7,112,277 |
| Feb 24, 2026 | 25.71 | 29.65 | 25.70 | 26.90 | 26.90 | -4.81% | 6,247,587 |
| Feb 23, 2026 | 25.59 | 28.90 | 24.77 | 28.26 | 28.26 | 15.02% | 6,653,664 |
| Feb 20, 2026 | 22.75 | 26.21 | 22.00 | 24.57 | 24.57 | 32.67% | 12,698,964 |
| Feb 19, 2026 | 18.95 | 19.09 | 17.71 | 18.52 | 18.52 | -2.22% | 1,992,106 |
| Feb 18, 2026 | 19.14 | 19.27 | 18.45 | 18.94 | 18.94 | 0.53% | 1,518,211 |
| Feb 17, 2026 | 19.00 | 19.56 | 18.68 | 18.84 | 18.84 | -0.58% | 1,235,003 |
| Feb 13, 2026 | 18.95 | 19.50 | 18.49 | 18.95 | 18.95 | 1.39% | 753,131 |
| Feb 12, 2026 | 19.63 | 19.81 | 18.34 | 18.69 | 18.69 | -4.93% | 975,431 |
| Feb 11, 2026 | 19.47 | 19.92 | 18.50 | 19.66 | 19.66 | 0.61% | 1,296,649 |
| Feb 10, 2026 | 19.13 | 20.27 | 18.90 | 19.54 | 19.54 | 3.44% | 1,071,285 |
| Feb 9, 2026 | 19.34 | 19.39 | 18.81 | 18.89 | 18.89 | -1.46% | 781,377 |
| Feb 6, 2026 | 19.04 | 19.53 | 18.99 | 19.17 | 19.17 | 1.21% | 738,205 |
| Feb 5, 2026 | 18.80 | 19.32 | 18.63 | 18.94 | 18.94 | -0.26% | 837,816 |
| Feb 4, 2026 | 19.44 | 19.99 | 18.63 | 18.99 | 18.99 | -2.31% | 1,336,958 |
| Feb 3, 2026 | 20.13 | 20.88 | 19.18 | 19.44 | 19.44 | -3.24% | 923,225 |
| Feb 2, 2026 | 19.89 | 20.96 | 19.57 | 20.09 | 20.09 | 1.01% | 1,137,126 |
| Jan 30, 2026 | 19.57 | 20.32 | 19.04 | 19.89 | 19.89 | 0.66% | 1,672,137 |
| Jan 29, 2026 | 19.05 | 19.86 | 18.90 | 19.76 | 19.76 | 3.40% | 2,039,071 |
| Jan 28, 2026 | 20.19 | 20.20 | 19.06 | 19.11 | 19.11 | -5.16% | 1,128,957 |
| Jan 27, 2026 | 20.22 | 20.60 | 19.75 | 20.15 | 20.15 | -0.25% | 1,032,321 |
| Jan 26, 2026 | 19.80 | 20.52 | 19.75 | 20.20 | 20.20 | 1.51% | 851,481 |
| Jan 23, 2026 | 20.45 | 20.75 | 19.76 | 19.90 | 19.90 | -3.35% | 1,174,919 |
| Jan 22, 2026 | 20.72 | 21.64 | 20.42 | 20.59 | 20.59 | -0.72% | 2,014,476 |
| Jan 21, 2026 | 20.93 | 21.25 | 20.34 | 20.74 | 20.74 | 1.22% | 1,140,740 |
| Jan 20, 2026 | 19.97 | 20.65 | 19.61 | 20.49 | 20.49 | 1.64% | 1,345,561 |
| Jan 16, 2026 | 20.83 | 21.98 | 20.11 | 20.16 | 20.16 | -4.32% | 1,377,238 |
| Jan 15, 2026 | 20.80 | 21.35 | 20.53 | 21.07 | 21.07 | 0.96% | 1,099,176 |
| Jan 14, 2026 | 20.75 | 20.97 | 20.21 | 20.87 | 20.87 | -0.14% | 1,048,098 |
| Jan 13, 2026 | 21.38 | 21.43 | 20.41 | 20.90 | 20.90 | -2.11% | 1,640,263 |
| Jan 12, 2026 | 21.64 | 22.14 | 21.15 | 21.35 | 21.35 | -1.61% | 1,245,742 |
| Jan 9, 2026 | 23.03 | 23.11 | 20.29 | 21.70 | 21.70 | -3.56% | 2,399,863 |
| Jan 8, 2026 | 22.71 | 23.35 | 22.06 | 22.50 | 22.50 | -0.92% | 1,211,208 |
| Jan 7, 2026 | 23.55 | 23.58 | 22.71 | 22.71 | 22.71 | -3.53% | 920,109 |
| Jan 6, 2026 | 23.27 | 23.95 | 22.99 | 23.54 | 23.54 | 1.68% | 1,052,678 |