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 -12.61%/yr vs -14.32%/yr for GOVZ. Their 0.99 correlation means they have historically moved very closely together. EDV charges 0.05%/yr vs 0.15%/yr for GOVZ.
Performance
EDV vs. GOVZ - Performance Comparison
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Returns By Period
In the year-to-date period, EDV achieves a -6.20% return, which is significantly higher than GOVZ's -6.93% return.
EDV
- 1D
- -1.06%
- 1M
- -6.35%
- 6M
- -5.97%
- YTD
- -6.20%
- 1Y
- -6.00%
- 3Y*
- -5.53%
- 5Y*
- -12.61%
- 10Y*
- -4.47%
- ALL TIME*
- 2.34%
GOVZ
- 1D
- -1.06%
- 1M
- -6.91%
- 6M
- -6.43%
- YTD
- -6.93%
- 1Y
- -7.36%
- 3Y*
- -8.06%
- 5Y*
- -14.32%
- 10Y*
- —
- ALL TIME*
- -14.18%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $89.59M | $71.96M | $67.10M | |
| $6.61M | $6.41M | $8.12M |
EDV vs. GOVZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
EDV Vanguard Extended Duration Treasury ETF | -6.20% | 0.65% | -12.78% | 1.65% | -39.15% | -6.19% | -4.90% |
GOVZ iShares 25+ Year Treasury STRIPS Bond ETF | -6.93% | -1.81% | -16.24% | 0.90% | -41.03% | -4.86% | -5.61% |
Correlation
The correlation between EDV and GOVZ is 0.99 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.99 |
Correlation (3Y) Balances recent behavior with more history. | 0.98 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.99 |
Correlation (All Time) Calculated using the full available price history since Sep 24, 2020 | 0.99 |
The correlation between EDV and GOVZ has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.
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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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| EDV | GOVZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.07 | ||
| Sortino ratioReturn per unit of downside risk | +0.09 | ||
| Omega ratioGain probability vs. loss probability | 0.96 | 0.95 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | -0.33 | -0.40 | +0.06 |
| Martin ratioReturn relative to average drawdown | -0.70 | -0.81 | +0.11 |
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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.
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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 | -13.24% | -14.87% | +1.63% |
Max Drawdown (3Y)Largest decline over 3 years | -22.74% | -26.42% | +3.68% |
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 | -56.96% | -59.10% | +2.14% |
Average DrawdownAverage peak-to-trough decline | -23.70% | -40.34% | +16.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.34% | 7.27% | -0.93% |
Volatility
EDV vs. GOVZ - Volatility Comparison
The current volatility for Vanguard Extended Duration Treasury ETF (EDV) is 3.85%, while iShares 25+ Year Treasury STRIPS Bond ETF (GOVZ) has a volatility of 4.48%. 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.
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Volatility by Period
| EDV | GOVZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.85% | 4.48% | -0.63% |
Volatility (6M)Calculated over the trailing 6-month period | 10.24% | 11.11% | -0.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.08% | 15.58% | -1.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.52% | 23.80% | -2.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.74% | 23.18% | -3.44% |
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 5.45%, less than GOVZ's 5.53% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
EDV Vanguard Extended Duration Treasury ETF | 5.45% | 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 | 5.06% | 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 (4.48%) compared to EDV (3.85%). In terms of maximum drawdown, EDV dropped -59.96% vs GOVZ's -59.65%.
On 5-year performance, EDV leads with -12.61% vs -14.32% for GOVZ. On fees, EDV is cheaper at 0.05% per year. On volatility, EDV has been the lower-risk option at 3.85%. 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 -12.61% return vs -14.32%. 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.
EDV has the higher dividend yield at 5.45%, compared with 5.06% for GOVZ.
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 (-0.31 vs -0.38), 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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