Tandem Diabetes Care, Inc. (TNDM) Stock Price History
Historical prices from 2013 to 2026
- 1M
- -16.5%
- 3M
- -15.6%
- YTD
- -28.4%
- 1Y
- -5.0%
- 3Y
- -14.1%
- 5Y
- -31.1%
Loading 10-year price history...
TNDM Historical Performance
TNDM Annual Returns
Year-by-year price performance · 2013–2026
- 2013 annual price return
- +33.8%
- 2014 annual price return
- -50.4%
- 2015 annual price return
- -6.6%
- 2016 annual price return
- -81.4%
- 2017 annual price return
- -88.8%
- 2018 annual price return
- +1394.9%
- 2019 annual price return
- +75.3%
- 2020 annual price return
- +58.9%
- 2021 annual price return
- +61.0%
- 2022 annual price return
- -70.1%
- 2023 annual price return
- -33.6%
- 2024 annual price return
- +27.1%
- 2025 annual price return
- -38.7%
- 2026 annual price return
- +17.4%
TNDM Stock Price Trajectory (2013–2026)
As of July 8, 2026, Tandem Diabetes Care, Inc. (TNDM) trades at $15.43, representing a -5.0% return over the past year. The stock has delivered a -84.5% total return over five years (-31.1% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $302.50 on January 14, 2014. From this peak, TNDM has corrected -94.9%, currently trading 17% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers PODD (-46.3% 1Y), DXCM (-11.3% 1Y), and ABBV (+35.7% 1Y), TNDM has underperformed the peer group average. Compare TNDM vs PODD →
TNDM Historical Price Data · from 2013
Rows 1–50 of 3,178| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-07-07 | 15.65 | 15.86 | 14.90 | 15.43 | 1.18M | +0.06% |
| 2026-07-06 | 15.31 | 15.59 | 14.80 | 15.42 | 1.28M | +0.65% |
| 2026-07-02 | 16.15 | 16.16 | 15.22 | 15.32 | 1.59M | -2.73% |
| 2026-07-01 | 15.10 | 15.76 | 15.10 | 15.75 | 1.30M | +4.37% |
| 2026-06-30 | 15.96 | 15.96 | 15.06 | 15.09 | 1.09M | -4.67% |
| 2026-06-29 | 16.25 | 16.25 | 15.58 | 15.83 | 1.38M | -2.52% |
| 2026-06-26 | 15.53 | 16.50 | 15.46 | 16.24 | 0 | +3.05% |
| 2026-06-25 | 15.12 | 15.98 | 15.01 | 15.76 | 2.28M | +4.93% |
| 2026-06-24 | 14.42 | 15.26 | 14.41 | 15.02 | 2.06M | +4.23% |
| 2026-06-23 | 14.30 | 14.48 | 13.95 | 14.41 | 3.10M | +0.49% |
| 2026-06-22 | 15.18 | 15.34 | 14.33 | 14.34 | 2.16M | -6.27% |
| 2026-06-18 | 15.68 | 15.86 | 15.08 | 15.30 | 2.34M | -0.65% |
| 2026-06-17 | 16.44 | 17.07 | 15.34 | 15.40 | 2.04M | -7.73% |
| 2026-06-16 | 16.95 | 17.20 | 16.60 | 16.69 | 1.70M | -0.42% |
| 2026-06-15 | 16.92 | 17.01 | 16.64 | 16.76 | 1.61M | +0.96% |
| 2026-06-12 | 15.56 | 16.62 | 15.51 | 16.60 | 1.75M | +5.06% |
| 2026-06-11 | 15.95 | 16.05 | 15.38 | 15.80 | 3.58M | -2.65% |
| 2026-06-10 | 17.43 | 17.69 | 15.95 | 16.23 | 2.85M | -7.84% |
| 2026-06-09 | 18.64 | 18.83 | 17.50 | 17.61 | 2.55M | -4.66% |
| 2026-06-08 | 19.63 | 20.18 | 18.44 | 18.47 | 2.99M | -4.50% |
| 2026-06-05 | 19.53 | 20.62 | 19.32 | 19.34 | 2.29M | -0.57% |
| 2026-06-04 | 18.52 | 19.78 | 18.32 | 19.45 | 2.21M | +7.88% |
| 2026-06-03 | 18.60 | 18.80 | 17.64 | 18.03 | 2.01M | -3.06% |
| 2026-06-02 | 18.83 | 19.13 | 18.33 | 18.60 | 1.25M | -2.72% |
| 2026-06-01 | 19.34 | 20.04 | 17.72 | 19.12 | 5.30M | +11.16% |
| 2026-05-29 | 16.82 | 18.26 | 16.80 | 17.20 | 2.88M | +2.87% |
| 2026-05-28 | 14.59 | 16.74 | 14.42 | 16.72 | 3.95M | +12.82% |
| 2026-05-27 | 14.69 | 14.99 | 14.20 | 14.82 | 2.66M | +1.93% |
| 2026-05-26 | 15.07 | 15.35 | 14.53 | 14.54 | 2.41M | -2.84% |
| 2026-05-22 | 15.74 | 15.74 | 14.94 | 14.96 | 1.94M | -5.10% |
| 2026-05-21 | 14.94 | 15.86 | 14.80 | 15.77 | 1.56M | +4.85% |
| 2026-05-20 | 13.89 | 15.08 | 13.62 | 15.04 | 1.70M | +8.51% |
| 2026-05-19 | 13.53 | 14.02 | 13.47 | 13.86 | 1.97M | +2.44% |
| 2026-05-18 | 13.15 | 13.67 | 12.83 | 13.53 | 4.71M | +5.54% |
| 2026-05-15 | 13.65 | 13.65 | 12.26 | 12.82 | 6.06M | -9.40% |
| 2026-05-14 | 14.23 | 14.69 | 13.96 | 14.15 | 2.74M | +0.28% |
| 2026-05-13 | 14.51 | 14.83 | 13.95 | 14.11 | 2.62M | -3.95% |
| 2026-05-12 | 14.74 | 15.34 | 14.42 | 14.69 | 2.36M | -0.54% |
| 2026-05-11 | 15.22 | 15.32 | 14.18 | 14.77 | 3.36M | -4.52% |
| 2026-05-08 | 19.81 | 20.03 | 15.44 | 15.47 | 7.53M | -16.24% |
| 2026-05-07 | 18.30 | 18.90 | 17.77 | 18.47 | 2.54M | +2.44% |
| 2026-05-06 | 19.48 | 19.48 | 17.93 | 18.03 | 3.05M | -7.16% |
| 2026-05-05 | 19.90 | 19.98 | 18.91 | 19.42 | 1.61M | -2.26% |
| 2026-05-04 | 19.59 | 20.43 | 19.15 | 19.87 | 2.04M | +2.32% |
| 2026-05-01 | 19.63 | 20.02 | 19.18 | 19.42 | 1.59M | -0.54% |
| 2026-04-30 | 18.32 | 19.66 | 18.25 | 19.52 | 2.19M | +7.52% |
| 2026-04-29 | 18.47 | 18.47 | 17.59 | 18.16 | 2.15M | -2.52% |
| 2026-04-28 | 19.86 | 20.08 | 18.57 | 18.63 | 1.41M | -6.00% |
| 2026-04-27 | 20.20 | 20.49 | 19.70 | 19.82 | 1.17M | -2.65% |
| 2026-04-24 | 20.86 | 21.02 | 20.15 | 20.36 | 859K | -1.55% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
TNDM — Frequently Asked Questions
Quick answers to the most common questions about buying TNDM stock.
How has TNDM stock performed recently?
TNDM declined -5.0% over the past year, below its 5-year annualized CAGR of -31.1%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is TNDM's all-time high price?
Tandem Diabetes Care, Inc. reached $302.50 on 2014-01-14. The 52-week high is $29.65. Current 1-year return of -5.0% places the stock further from historical peaks.
Where can I download TNDM historical price data?
This page provides TNDM daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2013-2026, downloadable in CSV format.