ETEC vs. TLT
ETEC (iShares Breakthrough Environmental Solutions ETF) and TLT (iShares 20+ Year Treasury Bond ETF) are both exchange-traded funds - ETEC is a Technology Equities fund tracking the Morningstar Global Emerging Green Technologies Select Index - Benchmark TR Net, while TLT is a Government Bonds fund tracking the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 3 years, ETEC returned 10.39%/yr vs -1.67%/yr for TLT. At a 0.17 correlation, their price movements are largely independent. ETEC charges 0.47%/yr vs 0.15%/yr for TLT.
Performance
ETEC vs. TLT - Performance Comparison
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Returns By Period
In the year-to-date period, ETEC achieves a 27.60% return, which is significantly higher than TLT's -0.05% return.
ETEC
- 1D
- -1.09%
- 1M
- 7.70%
- YTD
- 27.60%
- 6M
- 26.85%
- 1Y
- 61.23%
- 3Y*
- 10.39%
- 5Y*
- —
- 10Y*
- —
TLT
- 1D
- 0.22%
- 1M
- 0.48%
- YTD
- -0.05%
- 6M
- -1.27%
- 1Y
- 3.48%
- 3Y*
- -1.67%
- 5Y*
- -6.27%
- 10Y*
- -1.56%
ETEC vs. TLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
ETEC iShares Breakthrough Environmental Solutions ETF | 27.60% | 31.89% | -18.16% | -6.50% |
TLT iShares 20+ Year Treasury Bond ETF | -0.05% | 4.25% | -8.05% | -2.86% |
Correlation
The correlation between ETEC and TLT is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.20 |
Correlation (All Time) Calculated using the full available price history since Mar 31, 2023 | 0.17 |
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Return for Risk
ETEC vs. TLT — Risk / Return Rank
ETEC
TLT
ETEC vs. TLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Breakthrough Environmental Solutions ETF (ETEC) and iShares 20+ Year Treasury Bond ETF (TLT). 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 | TLT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.52 | ||
| Sortino ratioReturn per unit of downside risk | +3.14 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 1.07 | +0.40 |
| Calmar ratioReturn relative to maximum drawdown | 5.87 | 0.46 | +5.40 |
| Martin ratioReturn relative to average drawdown | 18.36 | 1.14 | +17.22 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ETEC | TLT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.88 | 0.36 | +2.52 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | -0.40 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.11 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.35 | 0.26 | +0.09 |
Drawdowns
ETEC vs. TLT - Drawdown Comparison
The maximum ETEC drawdown since its inception was -39.71%, smaller than the maximum TLT drawdown of -48.35%. Use the drawdown chart below to compare losses from any high point for ETEC and TLT.
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Drawdown Indicators
| ETEC | TLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.71% | -48.35% | +8.64% |
Max Drawdown (1Y)Largest decline over 1 year | -10.49% | -7.58% | -2.91% |
Max Drawdown (3Y)Largest decline over 3 years | -39.71% | -19.18% | -20.53% |
Max Drawdown (5Y)Largest decline over 5 years | — | -43.70% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -48.35% | — |
Current DrawdownCurrent decline from peak | -1.09% | -40.31% | +39.22% |
Average DrawdownAverage peak-to-trough decline | -14.98% | -13.82% | -1.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.34% | 3.05% | +0.29% |
Volatility
ETEC vs. TLT - Volatility Comparison
iShares Breakthrough Environmental Solutions ETF (ETEC) has a higher volatility of 7.21% compared to iShares 20+ Year Treasury Bond ETF (TLT) at 2.71%. This indicates that ETEC's price experiences larger fluctuations and is considered to be riskier than TLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ETEC | TLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.21% | 2.71% | +4.50% |
Volatility (6M)Calculated over the trailing 6-month period | 15.88% | 6.50% | +9.38% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.38% | 9.77% | +11.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.86% | 15.86% | +8.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.86% | 14.90% | +8.96% |
ETEC vs. TLT - Expense Ratio Comparison
ETEC has a 0.47% expense ratio, which is higher than TLT's 0.15% expense ratio.
Dividends
ETEC vs. TLT - Dividend Comparison
ETEC's dividend yield for the trailing twelve months is around 0.26%, less than TLT's 4.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ETEC iShares Breakthrough Environmental Solutions ETF | 0.26% | 0.33% | 1.24% | 4.18% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TLT iShares 20+ Year Treasury Bond ETF | 4.58% | 4.43% | 4.30% | 3.38% | 2.67% | 1.50% | 1.50% | 2.27% | 2.63% | 2.43% | 2.60% | 2.61% |
Frequently Asked Questions
ETEC and TLT have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ETEC has higher volatility (7.21%) compared to TLT (2.71%). In terms of maximum drawdown, ETEC dropped -39.71% vs TLT's -48.35%.
On 3-year performance, ETEC leads with 10.39% vs -1.67% for TLT. On fees, TLT is cheaper at 0.15% per year. On volatility, TLT has been the lower-risk option at 2.71%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, ETEC has performed better with a 10.39% return vs -1.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TLT is cheaper with a 0.15% expense ratio, compared with 0.47% for ETEC.
TLT has the higher dividend yield at 4.58%, compared with 0.26% for ETEC.
ETEC is categorized as Technology Equities, while TLT is Government Bonds. ETEC tracks Morningstar Global Emerging Green Technologies Select Index - Benchmark TR Net, while TLT tracks ICE U.S. Treasury 20+ Year Bond Index. Their fees differ too: 0.47% for ETEC and 0.15% for TLT.
ETEC currently has the higher Sharpe Ratio (2.88 vs 0.36), 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.
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