TNDM vs. IYW
Compare and contrast key facts about Tandem Diabetes Care, Inc. (TNDM) and iShares U.S. Technology ETF (IYW).
IYW is a passively managed fund by iShares that tracks the performance of the Dow Jones U.S. Technology Index. It was launched on May 19, 2000.
Performance
TNDM vs. IYW - Performance Comparison
Loading graphics...
TNDM vs. IYW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TNDM Tandem Diabetes Care, Inc. | -14.42% | -38.98% | 21.77% | -34.19% | -70.14% | 57.32% | 60.51% | 56.99% | 1,508.90% | -89.02% |
IYW iShares U.S. Technology ETF | -7.61% | 25.38% | 30.25% | 65.44% | -34.83% | 35.44% | 47.45% | 46.64% | -0.93% | 36.60% |
Returns By Period
In the year-to-date period, TNDM achieves a -14.42% return, which is significantly lower than IYW's -7.61% return. Over the past 10 years, TNDM has underperformed IYW with an annualized return of -14.49%, while IYW has yielded a comparatively higher 21.74% annualized return.
TNDM
- 1D
- -1.88%
- 1M
- -25.45%
- YTD
- -14.42%
- 6M
- 51.57%
- 1Y
- 0.43%
- 3Y*
- -22.63%
- 5Y*
- -26.49%
- 10Y*
- -14.49%
IYW
- 1D
- 1.65%
- 1M
- -3.50%
- YTD
- -7.61%
- 6M
- -6.42%
- 1Y
- 30.19%
- 3Y*
- 26.02%
- 5Y*
- 15.85%
- 10Y*
- 21.74%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
TNDM vs. IYW — Risk / Return Rank
TNDM
IYW
TNDM vs. IYW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tandem Diabetes Care, Inc. (TNDM) and iShares U.S. Technology ETF (IYW). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| TNDM | IYW | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.01 | 1.13 | -1.12 |
Sortino ratioReturn per unit of downside risk | 0.63 | 1.73 | -1.09 |
Omega ratioGain probability vs. loss probability | 1.07 | 1.24 | -0.17 |
Calmar ratioReturn relative to maximum drawdown | -0.03 | 1.77 | -1.80 |
Martin ratioReturn relative to average drawdown | -0.07 | 5.68 | -5.75 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| TNDM | IYW | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.01 | 1.13 | -1.12 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.40 | 0.62 | -1.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.19 | 0.87 | -1.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.23 | 0.30 | -0.54 |
Correlation
The correlation between TNDM and IYW is 0.33, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
TNDM vs. IYW - Dividend Comparison
TNDM has not paid dividends to shareholders, while IYW's dividend yield for the trailing twelve months is around 0.15%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TNDM Tandem Diabetes Care, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IYW iShares U.S. Technology ETF | 0.15% | 0.14% | 0.21% | 0.34% | 0.50% | 0.31% | 0.56% | 0.72% | 0.92% | 0.82% | 1.14% | 1.12% |
Drawdowns
TNDM vs. IYW - Drawdown Comparison
The maximum TNDM drawdown since its inception was -99.25%, which is greater than IYW's maximum drawdown of -81.90%. Use the drawdown chart below to compare losses from any high point for TNDM and IYW.
Loading graphics...
Drawdown Indicators
| TNDM | IYW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.25% | -81.90% | -17.35% |
Max Drawdown (1Y)Largest decline over 1 year | -56.99% | -17.81% | -39.18% |
Max Drawdown (5Y)Largest decline over 5 years | -93.40% | -39.44% | -53.96% |
Max Drawdown (10Y)Largest decline over 10 years | -97.99% | -39.44% | -58.55% |
Current DrawdownCurrent decline from peak | -93.73% | -12.65% | -81.08% |
Average DrawdownAverage peak-to-trough decline | -76.94% | -34.87% | -42.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 27.63% | 5.55% | +22.08% |
Volatility
TNDM vs. IYW - Volatility Comparison
Tandem Diabetes Care, Inc. (TNDM) has a higher volatility of 20.12% compared to iShares U.S. Technology ETF (IYW) at 8.23%. This indicates that TNDM's price experiences larger fluctuations and is considered to be riskier than IYW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| TNDM | IYW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.12% | 8.23% | +11.89% |
Volatility (6M)Calculated over the trailing 6-month period | 54.97% | 15.99% | +38.98% |
Volatility (1Y)Calculated over the trailing 1-year period | 76.31% | 26.92% | +49.39% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 65.94% | 25.78% | +40.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 77.50% | 24.98% | +52.52% |