Tandem Diabetes Care Stock Price History
NASDAQ: TNDMHealth CareMedical/Dental InstrumentsUSD
16.11+0.435 (+2.78%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
TNDM price history at a glance
The price history for Tandem Diabetes Care (TNDM) on this page begins on November 11, 2013, when the stock closed at $218.40; it most recently closed at $16.11 on October 5, 2026. The highest price in this record is $302.50, reached on January 13, 2014; the latest close is 94.7% below that peak. Across the 12 complete calendar years in the table, TNDM finished higher in 5 and lower in 7. Its best year was 2018 (+1370.8%) and its worst was 2017 (-89.0%).
Over roughly 13 years the share price changed -92.6%, a -18.3% compound annual price return (excluding dividends). In the last 12 months alone, TNDM has gained 8.7%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2013
- $302.50
- Date of high
- Jan 13, 2014
- Low since 2013
- $2.14
- Date of low
- Feb 5, 2018
- 52-week high
- $29.65
- 52-week low
- $12.26
- IPO year
- 2013
- Last close
- $16.11
TNDM returns
1 week
-2.36%
1 month
-15.70%
3 months
+4.54%
6 months
-16.01%
Year to date
-26.71%
1 year
+8.70%
3 years
-8.15%
5 years
-87.15%
TNDM price return, excluding dividends.
TNDM annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 16.11 | -25.24% |
| 2025 | 21.55 | -41.49% |
| 2024 | 36.83 | +24.51% |
| 2023 | 29.58 | -34.19% |
| 2022 | 44.95 | -70.14% |
| 2021 | 150.52 | +57.32% |
| 2020 | 95.68 | +61.21% |
| 2019 | 59.35 | +70.99% |
| 2018 | 34.71 | +1370.76% |
| 2017 | 2.36 | -89.02% |
| 2016 | 21.50 | -81.80% |
| 2015 | 118.10 | -6.64% |
| 2014 | 126.50 | -52.80% |
| 2013* | 268.00 | +22.71% |
* Partial year: the record begins after the start of 2013; return measured from the first available close.
2026 return is year to date.
TNDM daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 15.65 | 16.13 | 15.38 | 16.11 | +2.78% | |
| 15.57 | 15.77 | 15.13 | 15.68 | -1.04% | |
| 15.80 | 16.64 | 15.73 | 15.84 | -1.98% | |
| 16.77 | 17.05 | 15.94 | 16.16 | -2.18% | |
| 16.50 | 16.95 | 16.14 | 16.52 | +0.12% | |
| 16.66 | 17.35 | 16.27 | 16.50 | 0.00% | |
| 16.42 | 16.58 | 16.04 | 16.50 | +1.16% | |
| 16.63 | 16.68 | 16.00 | 16.31 | -1.57% | |
| 16.24 | 16.65 | 15.87 | 16.57 | +0.91% | |
| 15.60 | 16.54 | 15.52 | 16.42 | +4.45% | |
| 15.20 | 16.18 | 14.83 | 15.72 | +3.29% | |
| 16.43 | 16.60 | 15.20 | 15.22 | -7.08% | |
| 17.44 | 17.67 | 15.87 | 16.38 | -6.40% | |
| 17.88 | 18.03 | 16.97 | 17.50 | -0.68% | |
| 17.01 | 17.83 | 16.60 | 17.62 | +4.45% | |
| 17.13 | 17.15 | 16.77 | 16.87 | -2.09% | |
| 17.72 | 17.72 | 16.93 | 17.23 | -1.71% | |
| 16.31 | 18.00 | 16.12 | 17.53 | +7.68% | |
| 16.66 | 17.01 | 16.25 | 16.28 | -3.15% | |
| 17.18 | 17.62 | 16.60 | 16.81 | -1.75% | |
| 18.48 | 18.67 | 17.07 | 17.11 | -6.55% | |
| 18.77 | 19.05 | 18.10 | 18.31 | -4.19% | |
| 19.67 | 19.73 | 19.04 | 19.11 | -3.87% | |
| 19.51 | 20.62 | 19.34 | 19.88 | -0.10% | |
| 20.04 | 20.36 | 19.49 | 19.90 | -2.59% | |
| 20.71 | 20.91 | 20.03 | 20.43 | -0.63% | |
| 21.25 | 21.74 | 20.54 | 20.56 | -3.38% | |
| 21.98 | 22.21 | 21.08 | 21.28 | -3.32% | |
| 21.00 | 22.30 | 20.56 | 22.01 | +2.71% | |
| 21.40 | 21.77 | 21.22 | 21.43 | +0.14% | |
| 21.20 | 21.94 | 21.02 | 21.40 | +0.14% | |
| 21.24 | 21.59 | 21.02 | 21.37 | -0.97% | |
| 22.16 | 22.16 | 21.30 | 21.58 | -2.88% | |
| 22.40 | 23.00 | 22.06 | 22.22 | -0.45% | |
| 23.25 | 23.25 | 22.06 | 22.32 | -1.11% | |
| 23.11 | 23.53 | 22.22 | 22.57 | -3.79% | |
| 24.20 | 24.81 | 23.42 | 23.46 | -1.14% | |
| 22.16 | 24.10 | 22.10 | 23.73 | +6.63% | |
| 22.50 | 22.94 | 21.70 | 22.26 | -2.05% | |
| 22.92 | 22.92 | 22.36 | 22.72 | -1.77% | |
| 23.33 | 23.56 | 22.88 | 23.13 | -1.32% | |
| 23.16 | 23.61 | 22.71 | 23.44 | 0.00% | |
| 22.62 | 23.80 | 22.56 | 23.44 | +2.76% | |
| 22.03 | 23.03 | 21.83 | 22.81 | +1.92% | |
| 17.39 | 22.65 | 17.07 | 22.38 | +19.11% | |
| 19.30 | 19.55 | 18.50 | 18.79 | -4.08% | |
| 19.25 | 19.86 | 19.00 | 19.59 | -3.02% | |
| 19.95 | 20.81 | 19.61 | 20.20 | +0.45% | |
| 19.82 | 20.50 | 19.73 | 20.11 | +3.13% | |
| 19.10 | 19.66 | 18.56 | 19.50 | +2.58% | |
| 18.31 | 19.04 | 18.03 | 19.01 | +2.26% | |
| 17.79 | 18.75 | 17.42 | 18.59 | +4.67% | |
| 17.17 | 18.04 | 17.17 | 17.76 | +3.44% | |
| 17.13 | 17.27 | 16.34 | 17.17 | +0.29% | |
| 17.09 | 17.26 | 16.49 | 17.12 | +1.30% | |
| 16.93 | 17.09 | 16.14 | 16.90 | -0.06% | |
| 17.55 | 17.55 | 16.78 | 16.91 | -3.92% | |
| 17.62 | 18.23 | 17.23 | 17.60 | -2.76% | |
| 16.95 | 18.16 | 16.70 | 18.10 | +5.97% | |
| 16.25 | 17.09 | 15.91 | 17.08 | +4.85% | |
| 15.37 | 16.72 | 15.34 | 16.29 | +6.61% | |
| 15.22 | 15.90 | 15.08 | 15.28 | -1.67% | |
| 15.75 | 16.03 | 14.58 | 15.54 | -4.37% | |
| 15.50 | 16.51 | 15.40 | 16.25 | +5.45% | |
| 15.46 | 15.50 | 15.00 | 15.41 | +0.26% | |
| 15.24 | 15.68 | 14.95 | 15.37 | +1.39% | |
| 15.17 | 15.45 | 14.89 | 15.16 | -1.75% | |
| 15.65 | 15.86 | 14.90 | 15.43 | +0.06% | |
| 15.20 | 15.59 | 14.80 | 15.42 | +0.65% | |
| 15.94 | 16.17 | 15.22 | 15.32 | -2.73% | |
| 15.10 | 15.77 | 15.10 | 15.75 | +4.37% | |
| 15.97 | 15.97 | 15.05 | 15.09 | -4.67% | |
| 16.24 | 16.44 | 15.58 | 15.83 | -2.52% | |
| 15.69 | 16.50 | 15.47 | 16.24 | +3.05% | |
| 15.12 | 15.98 | 15.01 | 15.76 | +4.93% | |
| 14.42 | 15.26 | 14.41 | 15.02 | +4.23% | |
| 14.17 | 14.49 | 13.95 | 14.41 | +0.49% | |
| 15.17 | 15.34 | 14.32 | 14.34 | -6.27% | |
| 15.68 | 15.86 | 15.08 | 15.30 | -0.65% | |
| 16.44 | 17.07 | 15.33 | 15.40 | -7.73% | |
| 16.95 | 17.21 | 16.60 | 16.69 | -0.42% | |
| 16.92 | 17.01 | 16.30 | 16.76 | +0.96% | |
| 15.56 | 16.64 | 15.51 | 16.60 | +5.06% | |
| 15.96 | 16.06 | 15.38 | 15.80 | -2.65% | |
| 17.50 | 17.69 | 15.93 | 16.23 | -7.84% | |
| 18.64 | 18.83 | 17.50 | 17.61 | -4.66% | |
| 19.53 | 20.18 | 18.44 | 18.47 | -4.50% | |
| 19.53 | 20.62 | 19.31 | 19.34 | -0.57% | |
| 18.52 | 19.78 | 18.32 | 19.45 | +7.88% | |
| 18.60 | 18.80 | 17.64 | 18.03 | -3.06% | |
| 18.83 | 19.13 | 18.33 | 18.60 | -2.72% | |
| 19.47 | 20.04 | 17.72 | 19.12 | +11.16% | |
| 16.83 | 18.28 | 16.80 | 17.20 | +2.87% | |
| 14.59 | 16.75 | 14.42 | 16.72 | +12.82% | |
| 14.69 | 14.99 | 14.11 | 14.82 | +1.93% | |
| 15.07 | 15.35 | 14.53 | 14.54 | -2.84% | |
| 15.74 | 15.92 | 14.94 | 14.97 | -5.04% | |
| 14.94 | 15.86 | 14.80 | 15.76 | +4.79% | |
| 13.89 | 15.10 | 13.61 | 15.04 | +8.51% | |
| 13.53 | 14.03 | 13.47 | 13.86 | +2.44% | |
| 13.15 | 13.67 | 12.83 | 13.53 | +5.54% | |
| 13.65 | 13.68 | 12.26 | 12.82 | -9.40% | |
| 14.17 | 14.69 | 13.96 | 14.15 | +0.28% | |
| 14.41 | 14.83 | 13.95 | 14.11 | -3.95% | |
| 14.74 | 15.34 | 14.42 | 14.69 | -0.54% | |
| 15.16 | 15.35 | 14.18 | 14.77 | -4.59% | |
| 20.00 | 20.03 | 15.44 | 15.48 | -16.19% | |
| 18.30 | 18.90 | 17.75 | 18.47 | +2.44% | |
| 19.48 | 19.49 | 17.93 | 18.03 | -7.16% | |
| 19.90 | 19.98 | 18.91 | 19.42 | -2.26% | |
| 19.62 | 20.44 | 19.15 | 19.87 | +2.32% | |
| 19.63 | 20.03 | 19.18 | 19.42 | -0.54% | |
| 18.32 | 19.67 | 18.25 | 19.53 | +7.52% | |
| 18.47 | 18.47 | 17.59 | 18.16 | -2.52% | |
| 19.86 | 20.08 | 18.58 | 18.63 | -6.00% | |
| 20.20 | 20.49 | 19.69 | 19.82 | -2.65% | |
| 20.88 | 21.11 | 20.15 | 20.36 | -1.55% | |
| 20.83 | 21.62 | 20.10 | 20.68 | -0.48% | |
| 20.29 | 20.98 | 20.00 | 20.78 | +3.74% | |
| 21.35 | 21.54 | 19.99 | 20.03 | -5.70% | |
| 20.88 | 21.86 | 20.79 | 21.24 | +3.06% | |
| 20.68 | 21.32 | 20.36 | 20.61 | +2.59% | |
| 20.60 | 21.05 | 20.01 | 20.09 | -2.76% | |
| 21.47 | 21.96 | 20.40 | 20.66 | -2.13% | |
| 20.33 | 21.12 | 20.05 | 21.11 | +5.02% | |
| 18.91 | 20.30 | 18.91 | 20.10 | +4.80% | |
| 19.71 | 19.82 | 18.92 | 19.18 | -2.54% | |
| 19.34 | 19.84 | 18.91 | 19.68 | +1.71% | |
| 19.32 | 19.77 | 18.79 | 19.35 | +5.85% | |
| 19.19 | 19.71 | 18.11 | 18.28 | -4.64% | |
| 18.46 | 19.34 | 18.35 | 19.17 | +3.01% | |
| 18.25 | 19.10 | 18.08 | 18.61 | -1.06% | |
| 19.22 | 19.47 | 18.29 | 18.81 | -1.88% | |
| 19.62 | 20.30 | 18.89 | 19.17 | -2.12% | |
| 21.20 | 21.35 | 19.54 | 19.59 | -6.74% | |
| 22.82 | 22.97 | 20.94 | 21.00 | -9.95% | |
| 23.81 | 24.30 | 22.98 | 23.32 | -3.87% | |
| 24.76 | 25.05 | 23.79 | 24.26 | -1.02% | |
| 24.65 | 24.89 | 24.03 | 24.51 | -2.31% | |
| 25.87 | 26.38 | 24.96 | 25.09 | +1.09% | |
| 24.69 | 25.01 | 23.91 | 24.82 | +0.77% | |
| 25.04 | 25.43 | 24.18 | 24.63 | +3.27% | |
| 23.91 | 24.45 | 23.56 | 23.85 | -0.25% | |
| 23.16 | 24.79 | 23.03 | 23.91 | +9.13% | |
| 21.79 | 22.34 | 21.42 | 21.91 | +1.48% | |
| 21.03 | 21.85 | 20.91 | 21.59 | +3.43% | |
| 21.51 | 22.06 | 20.69 | 20.88 | -5.80% | |
| 21.57 | 22.54 | 21.15 | 22.16 | +1.28% | |
| 21.24 | 22.11 | 20.43 | 21.88 | +4.79% | |
| 20.60 | 21.28 | 20.17 | 20.88 | -1.23% | |
| 22.12 | 22.59 | 21.02 | 21.14 | -6.58% | |
| 22.81 | 23.22 | 22.31 | 22.63 | -3.33% | |
| 23.92 | 24.48 | 23.38 | 23.41 | -1.39% | |
| 24.41 | 24.64 | 23.62 | 23.74 | -5.91% | |
| 24.88 | 25.39 | 24.32 | 25.23 | -0.28% | |
| 26.10 | 26.10 | 24.93 | 25.30 | -1.90% | |
| 25.98 | 26.88 | 25.57 | 25.79 | -0.85% | |
| 26.92 | 27.05 | 25.62 | 26.01 | -3.31% | |
| 25.71 | 29.65 | 25.70 | 26.90 | -4.81% | |
| 25.59 | 28.90 | 24.77 | 28.26 | +15.02% | |
| 22.75 | 26.21 | 22.00 | 24.57 | +32.67% | |
| 18.95 | 19.09 | 17.71 | 18.52 | -2.22% | |
| 19.14 | 19.27 | 18.45 | 18.94 | +0.53% | |
| 19.00 | 19.56 | 18.68 | 18.84 | -0.58% | |
| 18.95 | 19.50 | 18.49 | 18.95 | +1.39% | |
| 19.63 | 19.81 | 18.34 | 18.69 | -4.93% | |
| 19.47 | 19.92 | 18.50 | 19.66 | +0.61% | |
| 19.13 | 20.27 | 18.90 | 19.54 | +3.44% | |
| 19.34 | 19.39 | 18.81 | 18.89 | -1.46% | |
| 19.04 | 19.53 | 18.99 | 19.17 | +1.21% | |
| 18.80 | 19.32 | 18.63 | 18.94 | -0.26% | |
| 19.44 | 19.99 | 18.63 | 18.99 | -2.31% | |
| 20.13 | 20.88 | 19.18 | 19.44 | -3.24% | |
| 19.89 | 20.96 | 19.57 | 20.09 | +1.01% | |
| 19.57 | 20.32 | 19.04 | 19.89 | +0.66% | |
| 19.05 | 19.86 | 18.90 | 19.76 | +3.40% | |
| 20.19 | 20.20 | 19.06 | 19.11 | -5.16% | |
| 20.22 | 20.60 | 19.75 | 20.15 | -0.25% | |
| 19.80 | 20.52 | 19.75 | 20.20 | +1.51% | |
| 20.45 | 20.75 | 19.76 | 19.90 | -3.35% | |
| 20.72 | 21.64 | 20.42 | 20.59 | -0.72% | |
| 20.93 | 21.25 | 20.34 | 20.74 | +1.22% | |
| 19.97 | 20.65 | 19.61 | 20.49 | +1.64% | |
| 20.83 | 21.98 | 20.11 | 20.16 | -4.32% | |
| 20.80 | 21.35 | 20.53 | 21.07 | +0.96% | |
| 20.75 | 20.97 | 20.21 | 20.87 | -0.14% | |
| 21.38 | 21.43 | 20.41 | 20.90 | -2.11% | |
| 21.64 | 22.14 | 21.15 | 21.35 | -1.61% | |
| 23.03 | 23.11 | 20.29 | 21.70 | -3.56% | |
| 22.71 | 23.35 | 22.06 | 22.50 | -0.92% | |
| 23.55 | 23.58 | 22.71 | 22.71 | -3.53% | |
| 23.27 | 23.95 | 22.99 | 23.54 | +1.68% | |
| 21.50 | 23.18 | 21.35 | 23.15 | +7.42% | |
| 22.31 | 22.45 | 21.55 | 21.55 | -1.96% | |
| 22.31 | 22.45 | 21.98 | 21.98 | -2.35% | |
| 22.32 | 22.55 | 22.17 | 22.51 | +0.81% | |
| 22.35 | 22.68 | 21.97 | 22.33 | -0.09% | |
| 22.48 | 22.48 | 22.13 | 22.35 | -0.58% | |
| 22.43 | 22.79 | 22.12 | 22.48 | -0.62% | |
| 23.01 | 23.28 | 22.51 | 22.62 | -2.75% | |
| 22.09 | 24.06 | 22.05 | 23.26 | +5.39% | |
| 21.80 | 22.37 | 21.75 | 22.07 | +1.24% | |
| 22.44 | 22.73 | 21.77 | 21.80 | -2.77% | |
| 22.67 | 23.10 | 22.30 | 22.42 | -0.80% | |
| 24.46 | 24.50 | 22.13 | 22.60 | +2.22% | |
| 21.61 | 22.16 | 21.32 | 22.11 | +3.37% | |
| 21.31 | 21.68 | 20.56 | 21.39 | +2.00% | |
| 20.78 | 21.81 | 20.42 | 20.97 | -2.24% | |
| 20.41 | 22.10 | 20.27 | 21.45 | +4.94% | |
| 20.79 | 21.05 | 20.30 | 20.44 | -1.45% | |
| 21.01 | 21.28 | 20.20 | 20.74 | -0.86% | |
| 20.74 | 21.36 | 20.51 | 20.92 | +1.01% | |
| 19.78 | 20.77 | 19.70 | 20.71 | +3.91% | |
| 19.62 | 20.62 | 19.47 | 19.93 | +1.58% | |
| 20.73 | 21.07 | 19.48 | 19.62 | -4.34% | |
| 19.98 | 20.53 | 19.33 | 20.51 | -2.38% | |
| 20.82 | 21.17 | 20.24 | 21.01 | +1.35% | |
| 21.74 | 21.82 | 20.61 | 20.73 | -5.08% | |
| 21.50 | 22.13 | 21.26 | 21.84 | +1.72% | |
| 21.16 | 21.77 | 20.91 | 21.47 | +0.89% | |
| 19.48 | 21.48 | 19.35 | 21.28 | +9.13% | |
| 18.97 | 20.13 | 18.91 | 19.50 | +4.06% | |
| 18.71 | 19.07 | 18.57 | 18.74 | +0.16% | |
| 18.14 | 19.23 | 17.86 | 18.71 | +2.02% | |
| 18.61 | 19.28 | 18.11 | 18.34 | -1.45% | |
| 17.01 | 18.70 | 16.95 | 18.61 | +6.16% | |
| 17.97 | 18.17 | 17.41 | 17.53 | -2.93% | |
| 17.39 | 18.64 | 17.20 | 18.06 | +3.08% | |
| 16.52 | 18.40 | 16.39 | 17.52 | +7.03% | |
| 16.51 | 16.69 | 15.50 | 16.37 | +0.68% | |
| 16.00 | 16.71 | 15.20 | 16.26 | +21.98% | |
| 14.61 | 14.82 | 13.24 | 13.33 | -9.13% | |
| 15.20 | 15.30 | 14.45 | 14.67 | -3.55% | |
| 14.23 | 15.36 | 14.14 | 15.21 | +5.92% | |
| 14.17 | 14.42 | 13.69 | 14.36 | +2.57% | |
| 14.21 | 14.29 | 13.66 | 14.00 | -4.04% | |
| 15.05 | 15.43 | 14.51 | 14.59 | -3.70% | |
| 15.12 | 15.41 | 14.84 | 15.15 | +0.33% | |
| 14.95 | 15.51 | 14.72 | 15.10 | +1.07% | |
| 15.00 | 15.20 | 14.81 | 14.94 | -0.07% | |
| 14.83 | 15.36 | 14.80 | 14.95 | +1.98% | |
| 14.96 | 15.07 | 14.63 | 14.66 | -2.01% | |
| 15.28 | 15.70 | 14.84 | 14.96 | -2.79% | |
| 15.25 | 15.92 | 15.12 | 15.39 | -0.97% | |
| 15.02 | 15.78 | 14.92 | 15.54 | +5.07% | |
| 15.02 | 15.58 | 14.53 | 14.79 | -3.27% | |
| 14.93 | 15.53 | 14.80 | 15.29 | +3.66% | |
| 14.52 | 15.33 | 14.45 | 14.75 | +2.57% | |
| 13.69 | 14.46 | 13.50 | 14.38 | +3.68% | |
| 14.11 | 14.35 | 13.80 | 13.87 | -0.93% | |
| 14.81 | 14.81 | 13.49 | 14.00 | -5.53% | |
| 15.34 | 15.57 | 14.78 | 14.82 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the TNDM chart for longer ranges.