Tandem Diabetes Care, Inc. (TNDM)
NASDAQ: TNDM · Real-Time Price · USD
18.63
-1.19 (-6.00%)
Apr 28, 2026, 4:00 PM EDT - Market closed
Tandem Diabetes Care Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 19.86 | 20.08 | 18.58 | 18.63 | 18.63 | -6.00% | 1,463,179 |
| Apr 27, 2026 | 20.20 | 20.49 | 19.69 | 19.82 | 19.82 | -2.65% | 1,194,796 |
| Apr 24, 2026 | 20.88 | 21.11 | 20.15 | 20.36 | 20.36 | -1.55% | 883,279 |
| Apr 23, 2026 | 20.83 | 21.62 | 20.10 | 20.68 | 20.68 | -0.48% | 2,209,094 |
| Apr 22, 2026 | 20.29 | 20.98 | 20.00 | 20.78 | 20.78 | 3.74% | 1,299,274 |
| Apr 21, 2026 | 21.35 | 21.54 | 19.99 | 20.03 | 20.03 | -5.70% | 1,340,718 |
| Apr 20, 2026 | 20.88 | 21.86 | 20.79 | 21.24 | 21.24 | 3.06% | 1,718,590 |
| Apr 17, 2026 | 20.68 | 21.32 | 20.36 | 20.61 | 20.61 | 2.59% | 1,964,593 |
| Apr 16, 2026 | 20.60 | 21.05 | 20.01 | 20.09 | 20.09 | -2.76% | 1,188,288 |
| Apr 15, 2026 | 21.47 | 21.96 | 20.40 | 20.66 | 20.66 | -2.13% | 1,340,268 |
| Apr 14, 2026 | 20.33 | 21.12 | 20.05 | 21.11 | 21.11 | 5.02% | 2,579,591 |
| Apr 13, 2026 | 18.91 | 20.30 | 18.91 | 20.10 | 20.10 | 4.80% | 1,110,965 |
| Apr 10, 2026 | 19.71 | 19.82 | 18.92 | 19.18 | 19.18 | -2.54% | 926,363 |
| Apr 9, 2026 | 19.34 | 19.84 | 18.91 | 19.68 | 19.68 | 1.71% | 982,518 |
| Apr 8, 2026 | 19.32 | 19.77 | 18.79 | 19.35 | 19.35 | 5.85% | 1,919,488 |
| Apr 7, 2026 | 19.19 | 19.71 | 18.11 | 18.28 | 18.28 | -4.64% | 1,710,444 |
| Apr 6, 2026 | 18.46 | 19.34 | 18.35 | 19.17 | 19.17 | 3.01% | 1,572,058 |
| Apr 2, 2026 | 18.25 | 19.10 | 18.08 | 18.61 | 18.61 | -1.06% | 1,034,184 |
| Apr 1, 2026 | 19.22 | 19.47 | 18.29 | 18.81 | 18.81 | -1.88% | 1,857,658 |
| Mar 31, 2026 | 19.62 | 20.30 | 18.89 | 19.17 | 19.17 | -2.12% | 1,819,677 |
| Mar 30, 2026 | 21.20 | 21.35 | 19.54 | 19.59 | 19.59 | -6.74% | 2,051,916 |
| Mar 27, 2026 | 22.82 | 22.97 | 20.94 | 21.00 | 21.00 | -9.95% | 2,384,671 |
| Mar 26, 2026 | 23.81 | 24.30 | 22.98 | 23.32 | 23.32 | -3.87% | 1,805,497 |
| Mar 25, 2026 | 24.76 | 25.05 | 23.79 | 24.26 | 24.26 | -1.02% | 1,212,885 |
| Mar 24, 2026 | 24.65 | 24.89 | 24.03 | 24.51 | 24.51 | -2.31% | 1,990,136 |
| Mar 23, 2026 | 25.87 | 26.38 | 24.96 | 25.09 | 25.09 | 1.09% | 2,169,902 |
| Mar 20, 2026 | 24.69 | 25.01 | 23.91 | 24.82 | 24.82 | 0.77% | 2,424,054 |
| Mar 19, 2026 | 25.04 | 25.43 | 24.18 | 24.63 | 24.63 | 3.27% | 2,829,193 |
| 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 |
| Jan 5, 2026 | 21.50 | 23.18 | 21.35 | 23.15 | 23.15 | 7.42% | 1,784,407 |
| Jan 2, 2026 | 22.31 | 22.45 | 21.55 | 21.55 | 21.55 | -1.96% | 993,154 |
| Dec 31, 2025 | 22.31 | 22.45 | 21.98 | 21.98 | 21.98 | -2.35% | 815,090 |
| Dec 30, 2025 | 22.32 | 22.55 | 22.17 | 22.51 | 22.51 | 0.81% | 671,854 |
| Dec 29, 2025 | 22.35 | 22.68 | 21.97 | 22.33 | 22.33 | -0.09% | 784,819 |
| Dec 26, 2025 | 22.48 | 22.48 | 22.13 | 22.35 | 22.35 | -0.58% | 830,112 |
| Dec 24, 2025 | 22.43 | 22.79 | 22.12 | 22.48 | 22.48 | -0.62% | 597,738 |
| Dec 23, 2025 | 23.01 | 23.28 | 22.51 | 22.62 | 22.62 | -2.75% | 1,133,087 |
| Dec 22, 2025 | 22.09 | 24.06 | 22.05 | 23.26 | 23.26 | 5.39% | 1,615,100 |
| Dec 19, 2025 | 21.80 | 22.37 | 21.75 | 22.07 | 22.07 | 1.24% | 1,900,149 |
| Dec 18, 2025 | 22.44 | 22.73 | 21.77 | 21.80 | 21.80 | -2.77% | 1,142,012 |
| Dec 17, 2025 | 22.67 | 23.10 | 22.30 | 22.42 | 22.42 | -0.80% | 1,796,047 |
| Dec 16, 2025 | 24.46 | 24.50 | 22.13 | 22.60 | 22.60 | 2.22% | 2,863,097 |
| Dec 15, 2025 | 21.61 | 22.16 | 21.32 | 22.11 | 22.11 | 3.37% | 1,803,354 |
| Dec 12, 2025 | 21.31 | 21.68 | 20.56 | 21.39 | 21.39 | 2.00% | 1,564,298 |
| Dec 11, 2025 | 20.78 | 21.81 | 20.42 | 20.97 | 20.97 | -2.24% | 1,882,943 |
| Dec 10, 2025 | 20.41 | 22.10 | 20.27 | 21.45 | 21.45 | 4.94% | 2,690,638 |
| Dec 9, 2025 | 20.79 | 21.05 | 20.30 | 20.44 | 20.44 | -1.45% | 1,959,921 |
| Dec 8, 2025 | 21.01 | 21.28 | 20.20 | 20.74 | 20.74 | -0.86% | 973,847 |
| Dec 5, 2025 | 20.74 | 21.36 | 20.51 | 20.92 | 20.92 | 1.01% | 1,405,601 |
| Dec 4, 2025 | 19.78 | 20.77 | 19.70 | 20.71 | 20.71 | 3.91% | 1,211,310 |
| Dec 3, 2025 | 19.62 | 20.62 | 19.47 | 19.93 | 19.93 | 1.58% | 1,856,968 |