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Tandem Diabetes Care, Inc. (TNDM)
NASDAQ: TNDM · Real-Time Price · USD
16.87
-0.36 (-2.09%)
At close: Sep 18, 2026, 4:00 PM EDT
16.78
-0.09 (-0.53%)
After-hours: Sep 18, 2026, 7:30 PM EDT

Tandem Diabetes Care Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 18, 202617.1317.1516.7716.8716.87-2.09%2,272,103
Sep 17, 202617.7217.7216.9317.2317.23-1.71%2,118,625
Sep 16, 202616.3118.0016.1217.5317.537.68%3,758,642
Sep 15, 202616.6617.0116.2516.2816.28-3.15%2,313,758
Sep 14, 202617.1817.6216.6016.8116.81-1.75%2,187,130
Sep 11, 202618.4818.6717.0717.1117.11-6.55%1,781,828
Sep 10, 202618.7719.0518.1018.3118.31-4.19%1,588,001
Sep 9, 202619.6719.7319.0419.1119.11-3.87%1,569,570
Sep 8, 202619.5120.6219.3419.8819.88-0.10%1,636,527
Sep 4, 202620.0420.3619.4919.9019.90-2.59%1,363,462
Sep 3, 202620.7120.9120.0320.4320.43-0.63%1,593,477
Sep 2, 202621.2521.7420.5420.5620.56-3.38%1,136,332
Sep 1, 202621.9822.2121.0821.2821.28-3.32%919,278
Aug 31, 202621.0022.3020.5622.0122.012.71%1,657,006
Aug 28, 202621.4021.7721.2221.4321.430.14%921,993
Aug 27, 202621.2021.9421.0221.4021.400.14%1,031,168
Aug 26, 202621.2421.5921.0221.3721.37-0.97%1,117,638
Aug 25, 202622.1622.1621.3021.5821.58-2.88%1,186,486
Aug 24, 202622.4023.0022.0622.2222.22-0.45%1,064,351
Aug 21, 202623.2523.2522.0622.3222.32-1.11%1,636,304
Aug 20, 202623.1123.5322.2222.5722.57-3.79%1,821,160
Aug 19, 202624.2024.8123.4223.4623.46-1.14%1,655,414
Aug 18, 202622.1624.1022.1023.7323.736.63%2,631,738
Aug 17, 202622.5022.9421.7022.2622.26-2.05%1,384,284
Aug 14, 202622.9222.9222.3622.7222.72-1.77%1,686,885
Aug 13, 202623.3323.5622.8823.1323.13-1.32%1,420,045
Aug 12, 202623.1623.6122.7123.4423.44-1,700,459
Aug 11, 202622.6223.8022.5623.4423.442.76%1,784,947
Aug 10, 202622.0323.0321.8322.8122.811.92%2,320,683
Aug 7, 202617.3922.6517.0722.3822.3819.11%5,435,937
Aug 6, 202619.3019.5518.5018.7918.79-4.08%3,796,505
Aug 5, 202619.2519.8619.0019.5919.59-3.02%3,470,809
Aug 4, 202619.9520.8119.6120.2020.200.45%2,822,118
Aug 3, 202619.8220.5019.7320.1120.113.13%3,327,932
Jul 31, 202619.1019.6618.5619.5019.502.58%1,833,988
Jul 30, 202618.3119.0418.0319.0119.012.26%2,056,754
Jul 29, 202617.7918.7517.4218.5918.594.67%1,910,948
Jul 28, 202617.1718.0417.1717.7617.763.44%1,860,965
Jul 27, 202617.1317.2716.3417.1717.170.29%1,577,417
Jul 24, 202617.0917.2616.4917.1217.121.30%1,147,964
Jul 23, 202616.9317.0916.1416.9016.90-0.06%1,160,032
Jul 22, 202617.5517.5516.7816.9116.91-3.92%1,533,793
Jul 21, 202617.6218.2317.2317.6017.60-2.76%1,733,995
Jul 20, 202616.9518.1616.7018.1018.105.97%1,893,879
Jul 17, 202616.2517.0915.9117.0817.084.85%2,100,446
Jul 16, 202615.3716.7215.3416.2916.296.61%1,983,100
Jul 15, 202615.2215.9015.0815.2815.28-1.67%1,381,875
Jul 14, 202615.7516.0314.5815.5415.54-4.37%1,882,873
Jul 13, 202615.5016.5115.4016.2516.255.45%1,897,007
Jul 10, 202615.4615.5015.0015.4115.410.26%1,321,354