ETEC vs. IYW
ETEC (iShares Breakthrough Environmental Solutions ETF) and IYW (iShares U.S. Technology ETF) are both Technology Equities funds from iShares - ETEC tracks the Morningstar Global Emerging Green Technologies Select Index - Benchmark TR Net while IYW tracks the Russell 1000 Technology RIC 22.5/45 Capped Index. Both are passively managed. Over the past 3 years, ETEC returned 10.90%/yr vs 35.17%/yr for IYW. A 0.55 correlation means they provide meaningful diversification when combined. ETEC charges 0.47%/yr vs 0.38%/yr for IYW.
Performance
ETEC vs. IYW - Performance Comparison
Loading charts...
Returns By Period
The year-to-date returns for both stocks are quite close, with ETEC having a 29.01% return and IYW slightly lower at 28.46%.
ETEC
- 1D
- 0.71%
- 1M
- 10.60%
- YTD
- 29.01%
- 6M
- 30.09%
- 1Y
- 63.13%
- 3Y*
- 10.90%
- 5Y*
- —
- 10Y*
- —
IYW
- 1D
- -0.44%
- 1M
- 13.87%
- YTD
- 28.46%
- 6M
- 27.22%
- 1Y
- 58.25%
- 3Y*
- 35.17%
- 5Y*
- 22.76%
- 10Y*
- 26.00%
ETEC vs. IYW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
ETEC iShares Breakthrough Environmental Solutions ETF | 29.01% | 31.89% | -18.16% | -6.50% |
IYW iShares U.S. Technology ETF | 28.46% | 25.38% | 30.25% | 34.90% |
Correlation
The correlation between ETEC and IYW is 0.58, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.58 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.55 |
Correlation (All Time) Calculated using the full available price history since Mar 31, 2023 | 0.55 |
The correlation between ETEC and IYW has been stable across timeframes, ranging from 0.55 to 0.58 - a consistent structural relationship.
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
ETEC vs. IYW — Risk / Return Rank
ETEC
IYW
ETEC vs. IYW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Breakthrough Environmental Solutions ETF (ETEC) 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.
| ETEC | IYW | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.06 | ||
| Sortino ratioReturn per unit of downside risk | +0.19 | ||
| Omega ratioGain probability vs. loss probability | 1.48 | 1.47 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 6.05 | 3.29 | +2.76 |
| Martin ratioReturn relative to average drawdown | 18.94 | 10.76 | +8.18 |
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 charts...
Sharpe Ratios by Period
| ETEC | IYW | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.97 | 2.92 | +0.06 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.88 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 1.04 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.37 | 0.35 | +0.01 |
Drawdowns
ETEC vs. IYW - Drawdown Comparison
The maximum ETEC drawdown since its inception was -39.71%, smaller than the maximum IYW drawdown of -81.90%. Use the drawdown chart below to compare losses from any high point for ETEC and IYW.
Loading charts...
Drawdown Indicators
| ETEC | IYW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.71% | -81.90% | +42.19% |
Max Drawdown (1Y)Largest decline over 1 year | -10.49% | -17.81% | +7.32% |
Max Drawdown (3Y)Largest decline over 3 years | -39.71% | -26.47% | -13.24% |
Max Drawdown (5Y)Largest decline over 5 years | — | -39.44% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -39.44% | — |
Current DrawdownCurrent decline from peak | 0.00% | -1.35% | +1.35% |
Average DrawdownAverage peak-to-trough decline | -15.00% | -34.65% | +19.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.34% | 5.43% | -2.09% |
Volatility
ETEC vs. IYW - Volatility Comparison
iShares Breakthrough Environmental Solutions ETF (ETEC) has a higher volatility of 7.14% compared to iShares U.S. Technology ETF (IYW) at 6.28%. This indicates that ETEC'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 charts...
Volatility by Period
| ETEC | IYW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.14% | 6.28% | +0.86% |
Volatility (6M)Calculated over the trailing 6-month period | 15.83% | 15.84% | -0.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.36% | 20.07% | +1.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.87% | 25.86% | -1.99% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.87% | 25.09% | -1.22% |
ETEC vs. IYW - Expense Ratio Comparison
ETEC has a 0.47% expense ratio, which is higher than IYW's 0.38% expense ratio.
Dividends
ETEC vs. IYW - Dividend Comparison
ETEC's dividend yield for the trailing twelve months is around 0.25%, more than IYW's 0.11% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ETEC iShares Breakthrough Environmental Solutions ETF | 0.25% | 0.33% | 1.24% | 4.18% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IYW iShares U.S. Technology ETF | 0.11% | 0.14% | 0.21% | 0.34% | 0.50% | 0.31% | 0.56% | 0.72% | 0.92% | 0.82% | 1.14% | 1.12% |
Frequently Asked Questions
ETEC and IYW have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ETEC has higher volatility (7.14%) compared to IYW (6.28%). In terms of maximum drawdown, ETEC dropped -39.71% vs IYW's -81.90%.
On 3-year performance, IYW leads with 35.17% vs 10.90% for ETEC. On fees, IYW is cheaper at 0.38% per year. On volatility, IYW has been the lower-risk option at 6.28%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, IYW has performed better with a 35.17% return vs 10.90%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IYW is cheaper with a 0.38% expense ratio, compared with 0.47% for ETEC.
ETEC has the higher dividend yield at 0.25%, compared with 0.11% for IYW.
ETEC tracks Morningstar Global Emerging Green Technologies Select Index - Benchmark TR Net, while IYW tracks Russell 1000 Technology RIC 22.5/45 Capped Index. Their fees differ too: 0.47% for ETEC and 0.38% for IYW.
ETEC currently has the higher Sharpe Ratio (2.97 vs 2.92), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for ETEC and IYW
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer