Tandem Diabetes Care, Inc. (TNDM) Stock Price History
Historical prices from 2013 to 2026
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TNDM Historical Performance
Short-Term Returns
TNDM Stock Price Trajectory (2013–2026)
As of May 8, 2026, Tandem Diabetes Care, Inc. (TNDM) trades at $18.47, representing a -17.0% return over the past year. The stock has delivered a -78.0% total return over five years (-26.2% 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 -93.9%, currently trading 2% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers PODD (-39.3% 1Y), DXCM (-26.9% 1Y), and ABBV (+7.7% 1Y), TNDM has underperformed the peer group average. Compare TNDM vs PODD →
TNDM Historical Price Data (2025–2026)
Showing 30 of 3,138 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-23 | 20.83 | 21.62 | 20.10 | 20.68 | 2.04M | -0.48% |
| 2026-04-22 | 20.29 | 20.98 | 20.00 | 20.78 | 1.30M | +3.74% |
| 2026-04-21 | 21.50 | 21.50 | 19.99 | 20.03 | 1.31M | -5.70% |
| 2026-04-20 | 21.13 | 21.86 | 20.79 | 21.24 | 1.70M | +3.06% |
| 2026-04-17 | 20.68 | 21.32 | 20.36 | 20.61 | 1.97M | +2.59% |
| 2026-04-16 | 20.60 | 21.05 | 20.01 | 20.09 | 1.09M | -2.76% |
| 2026-04-15 | 21.47 | 21.96 | 20.40 | 20.66 | 1.32M | -2.13% |
| 2026-04-14 | 20.16 | 21.12 | 20.05 | 21.11 | 2.25M | +5.02% |
| 2026-04-13 | 19.10 | 20.29 | 18.91 | 20.10 | 1.09M | +4.80% |
| 2026-04-10 | 19.71 | 19.82 | 18.91 | 19.18 | 885K | -2.54% |
| 2026-04-09 | 19.09 | 19.84 | 18.91 | 19.68 | 896K | +1.71% |
| 2026-04-08 | 18.96 | 19.77 | 18.79 | 19.35 | 1.89M | +5.85% |
| 2026-04-07 | 19.19 | 19.71 | 18.11 | 18.28 | 1.68M | -4.64% |
| 2026-04-06 | 18.46 | 19.34 | 18.34 | 19.17 | 1.54M | +3.01% |
| 2026-04-02 | 18.25 | 19.09 | 18.08 | 18.61 | 1.01M | -1.06% |
| 2026-04-01 | 19.22 | 19.47 | 18.29 | 18.81 | 1.75M | -1.88% |
| 2026-03-31 | 19.62 | 20.30 | 18.89 | 19.17 | 1.69M | -2.12% |
| 2026-03-30 | 21.34 | 21.35 | 19.54 | 19.59 | 2.05M | -6.74% |
| 2026-03-27 | 22.71 | 22.97 | 20.93 | 21.00 | 2.01M | -9.95% |
| 2026-03-26 | 23.81 | 24.25 | 22.98 | 23.32 | 1.79M | -3.87% |
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Start ComparisonTNDM — Frequently Asked Questions
Quick answers to the most common questions about buying TNDM stock.
How has TNDM stock performed recently?
TNDM declined -17.0% over the past year, below its 5-year annualized CAGR of -26.2%. The stock trades above 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 -17.0% 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.