EDV vs. GOVZ
EDV (Vanguard Extended Duration Treasury ETF) and GOVZ (iShares 25+ Year Treasury STRIPS Bond ETF) are both Government Bonds funds - EDV tracks the Bloomberg U.S. Treasury STRIPS 20-30 Year Equal Par Bond Index while GOVZ tracks the ICE BofA Long US Treasury Principal STRIPS Index. Both are passively managed. Over the past 5 years, EDV returned -9.64%/yr vs -11.12%/yr for GOVZ. With a 0.99 correlation, they move nearly in lockstep. EDV charges 0.05%/yr vs 0.15%/yr for GOVZ.
Performance
EDV vs. GOVZ - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, EDV achieves a -0.24% return, which is significantly higher than GOVZ's -0.44% return.
EDV
- 1D
- 0.38%
- 1M
- 0.83%
- YTD
- -0.24%
- 6M
- -2.90%
- 1Y
- 5.26%
- 3Y*
- -5.09%
- 5Y*
- -9.64%
- 10Y*
- -3.27%
GOVZ
- 1D
- 0.45%
- 1M
- 0.87%
- YTD
- -0.44%
- 6M
- -3.52%
- 1Y
- 4.32%
- 3Y*
- -7.28%
- 5Y*
- -11.12%
- 10Y*
- —
EDV vs. GOVZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
EDV Vanguard Extended Duration Treasury ETF | -0.24% | 0.65% | -12.78% | 1.65% | -39.15% | -6.19% | -5.38% |
GOVZ iShares 25+ Year Treasury STRIPS Bond ETF | -0.44% | -1.81% | -16.24% | 0.90% | -41.03% | -4.86% | -5.61% |
Correlation
The correlation between EDV and GOVZ is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.99 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.99 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since Sep 25, 2020 | 0.99 |
The correlation between EDV and GOVZ has been stable across timeframes, ranging from 0.99 to 0.99 - 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
EDV vs. GOVZ — Risk / Return Rank
EDV
GOVZ
EDV vs. GOVZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Duration Treasury ETF (EDV) and iShares 25+ Year Treasury STRIPS Bond ETF (GOVZ). 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.
| EDV | GOVZ | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.36 | 0.27 | +0.09 |
Sortino ratioReturn per unit of downside risk | 0.62 | 0.50 | +0.12 |
Omega ratioGain probability vs. loss probability | 1.07 | 1.06 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 0.29 | 0.18 | +0.11 |
Martin ratioReturn relative to average drawdown | 0.68 | 0.42 | +0.26 |
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
| EDV | GOVZ | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.36 | 0.27 | +0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.45 | -0.47 | +0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.17 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.12 | -0.58 | +0.70 |
Drawdowns
EDV vs. GOVZ - Drawdown Comparison
The maximum EDV drawdown since its inception was -59.96%, roughly equal to the maximum GOVZ drawdown of -59.65%. Use the drawdown chart below to compare losses from any high point for EDV and GOVZ.
Loading charts...
Drawdown Indicators
| EDV | GOVZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.96% | -59.65% | -0.31% |
Max Drawdown (1Y)Largest decline over 1 year | -12.54% | -14.16% | +1.62% |
Max Drawdown (3Y)Largest decline over 3 years | -26.99% | -28.72% | +1.73% |
Max Drawdown (5Y)Largest decline over 5 years | -55.03% | -57.63% | +2.60% |
Max Drawdown (10Y)Largest decline over 10 years | -59.96% | — | — |
Current DrawdownCurrent decline from peak | -54.23% | -56.25% | +2.02% |
Average DrawdownAverage peak-to-trough decline | -23.43% | -39.90% | +16.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.36% | 6.19% | -0.83% |
Volatility
EDV vs. GOVZ - Volatility Comparison
The current volatility for Vanguard Extended Duration Treasury ETF (EDV) is 4.18%, while iShares 25+ Year Treasury STRIPS Bond ETF (GOVZ) has a volatility of 4.47%. This indicates that EDV experiences smaller price fluctuations and is considered to be less risky than GOVZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| EDV | GOVZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.18% | 4.47% | -0.29% |
Volatility (6M)Calculated over the trailing 6-month period | 9.81% | 10.66% | -0.85% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.71% | 16.34% | -1.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.63% | 23.93% | -2.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.82% | 23.36% | -3.54% |
EDV vs. GOVZ - Expense Ratio Comparison
EDV has a 0.05% expense ratio, which is lower than GOVZ's 0.15% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
EDV vs. GOVZ - Dividend Comparison
EDV's dividend yield for the trailing twelve months is around 4.96%, less than GOVZ's 5.15% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
EDV Vanguard Extended Duration Treasury ETF | 4.96% | 4.94% | 4.65% | 3.81% | 3.28% | 1.95% | 5.54% | 3.51% | 2.90% | 2.92% | 5.32% | 4.24% |
GOVZ iShares 25+ Year Treasury STRIPS Bond ETF | 5.15% | 5.00% | 4.68% | 3.84% | 3.69% | 1.76% | 0.39% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.99, EDV and GOVZ move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
GOVZ has higher volatility (4.47%) compared to EDV (4.18%). In terms of maximum drawdown, EDV dropped -59.96% vs GOVZ's -59.65%.
On 5-year performance, EDV leads with -9.64% vs -11.12% for GOVZ. On fees, EDV is cheaper at 0.05% per year. On volatility, EDV has been the lower-risk option at 4.18%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, EDV has performed better with a -9.64% return vs -11.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
EDV is cheaper with a 0.05% expense ratio, compared with 0.15% for GOVZ.
GOVZ has the higher dividend yield at 5.15%, compared with 4.96% for EDV.
EDV tracks Bloomberg U.S. Treasury STRIPS 20-30 Year Equal Par Bond Index, while GOVZ tracks ICE BofA Long US Treasury Principal STRIPS Index. They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.05% for EDV and 0.15% for GOVZ.
EDV currently has the higher Sharpe Ratio (0.36 vs 0.27), 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 EDV and GOVZ
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