EDV vs. VEDTX

Last updated Jun 4, 2026

EDV (Vanguard Extended Duration Treasury ETF) and VEDTX (Vanguard Extended Duration Treasury Index Fund) are both Government Bonds funds from Vanguard. Over the past 10 years, EDV returned -3.32%/yr vs -3.34%/yr for VEDTX. With a 0.96 correlation, they move nearly in lockstep. EDV charges 0.05%/yr vs 0.06%/yr for VEDTX.

Performance

EDV vs. VEDTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Extended Duration Treasury ETF (EDV) and Vanguard Extended Duration Treasury Index Fund (VEDTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EDV achieves a -0.72% return, which is significantly lower than VEDTX's -0.51% return. Both investments have delivered pretty close results over the past 10 years, with EDV having a -3.32% annualized return and VEDTX not far behind at -3.34%.

EDV

• 1D: -0.48%
• 1M: 1.42%
• YTD: -0.72%
• 6M: -3.69%
• 1Y: 4.85%
• 3Y*: -5.25%
• 5Y*: -10.02%
• 10Y*: -3.32%

VEDTX

• 1D: 0.36%
• 1M: 2.06%
• YTD: -0.51%
• 6M: -2.93%
• 1Y: 5.71%
• 3Y*: -5.03%
• 5Y*: -9.67%
• 10Y*: -3.34%

*Multi-year figures are annualized to reflect compound growth (CAGR)

EDV vs. VEDTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EDV Vanguard Extended Duration Treasury ETF	-0.72%	0.65%	-12.78%	1.65%	-39.15%	-6.19%	23.59%	18.67%	-3.40%	13.94%
VEDTX Vanguard Extended Duration Treasury Index Fund	-0.51%	1.34%	-13.35%	2.15%	-39.40%	-6.52%	24.20%	19.16%	-3.50%	12.69%

Correlation

The correlation between EDV and VEDTX 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	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Dec 14, 2007	0.96

The correlation between EDV and VEDTX has been stable across timeframes, ranging from 0.96 to 1.00 - a consistent structural relationship.

Return for Risk

EDV vs. VEDTX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

EDV

EDV Risk / Return Rank: 13
EDV Sharpe Ratio Rank: 13
EDV Sortino Ratio Rank: 13
EDV Omega Ratio Rank: 12
EDV Calmar Ratio Rank: 13
EDV Martin Ratio Rank: 13

VEDTX

VEDTX Risk / Return Rank: 5
VEDTX Sharpe Ratio Rank: 5
VEDTX Sortino Ratio Rank: 5
VEDTX Omega Ratio Rank: 5
VEDTX Calmar Ratio Rank: 5
VEDTX Martin Ratio Rank: 5

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

EDV vs. VEDTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Duration Treasury ETF (EDV) and Vanguard Extended Duration Treasury Index Fund (VEDTX). 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	VEDTX	Difference
Sharpe ratio: Return per unit of total volatility	0.33	0.38	-0.04
Sortino ratio: Return per unit of downside risk	0.58	0.65	-0.06
Omega ratio: Gain probability vs. loss probability	1.06	1.07	-0.01
Calmar ratio: Return relative to maximum drawdown	0.39	0.45	-0.06
Martin ratio: Return relative to average drawdown	0.90	1.05	-0.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EDV vs. VEDTX - Sharpe Ratio Comparison

The current EDV Sharpe Ratio is 0.33, which is comparable to the VEDTX Sharpe Ratio of 0.38. The chart below compares the historical Sharpe Ratios of EDV and VEDTX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	EDV	VEDTX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.33	0.38	-0.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.47	-0.44	-0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.17	-0.17	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	0.11	+0.01

Drawdowns

EDV vs. VEDTX - Drawdown Comparison

The maximum EDV drawdown since its inception was -59.96%, roughly equal to the maximum VEDTX drawdown of -60.00%. Use the drawdown chart below to compare losses from any high point for EDV and VEDTX.

Drawdown Indicators

	EDV	VEDTX	Difference
Max Drawdown Largest peak-to-trough decline	-59.96%	-60.00%	+0.04%
Max Drawdown (1Y) Largest decline over 1 year	-12.54%	-12.41%	-0.13%
Max Drawdown (3Y) Largest decline over 3 years	-26.99%	-27.04%	+0.05%
Max Drawdown (5Y) Largest decline over 5 years	-55.03%	-55.15%	+0.12%
Max Drawdown (10Y) Largest decline over 10 years	-59.96%	-60.00%	+0.04%
Current Drawdown Current decline from peak	-54.45%	-54.26%	-0.19%
Average Drawdown Average peak-to-trough decline	-23.43%	-23.49%	+0.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.38%	5.29%	+0.09%

Volatility

EDV vs. VEDTX - Volatility Comparison

Vanguard Extended Duration Treasury ETF (EDV) and Vanguard Extended Duration Treasury Index Fund (VEDTX) have volatilities of 4.06% and 4.16%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EDV	VEDTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.06%	4.16%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	9.65%	9.85%	-0.20%
Volatility (1Y) Calculated over the trailing 1-year period	14.64%	14.87%	-0.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.63%	21.89%	-0.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.81%	20.12%	-0.31%

EDV vs. VEDTX - Expense Ratio Comparison

EDV has a 0.05% expense ratio, which is lower than VEDTX's 0.06% 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. VEDTX - Dividend Comparison

EDV's dividend yield for the trailing twelve months is around 4.99%, which matches VEDTX's 4.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EDV Vanguard Extended Duration Treasury ETF	4.99%	4.94%	4.65%	3.81%	3.28%	1.95%	5.54%	3.51%	2.90%	2.92%	5.32%	4.24%
VEDTX Vanguard Extended Duration Treasury Index Fund	4.98%	4.94%	4.68%	3.55%	3.30%	1.96%	5.56%	3.53%	2.94%	2.23%	5.34%	4.28%

Frequently Asked Questions

Can I hold both EDV and VEDTX in my portfolio?

With a correlation of 0.99, EDV and VEDTX 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.

Which is riskier, EDV or VEDTX?

VEDTX has higher volatility (4.16%) compared to EDV (4.06%). In terms of maximum drawdown, EDV dropped -59.96% vs VEDTX's -60.00%.

Which has better risk-adjusted returns?

VEDTX currently has the higher Sharpe Ratio (0.38 vs 0.33), 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.