VEDTX vs. VBIAX
VEDTX (Vanguard Extended Duration Treasury Index Fund) and VBIAX (Vanguard Balanced Index Fund Admiral Shares) are both mutual funds - VEDTX is a Government Bonds fund managed by Vanguard, while VBIAX is a Diversified Portfolio fund tracking the 60% CRSP US Total Market Index / 40% Bloomberg U.S. Aggregate Float Adjusted Index. Over the past 10 years, VEDTX returned -4.58%/yr vs 9.36%/yr for VBIAX. Their -0.11 correlation means they have often moved in opposite directions in the past. VEDTX charges 0.06%/yr vs 0.07%/yr for VBIAX.
Performance
VEDTX vs. VBIAX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, VEDTX achieves a -5.74% return, which is significantly lower than VBIAX's 5.80% return. Over the past 10 years, VEDTX has underperformed VBIAX with an annualized return of -4.58%, while VBIAX has yielded a comparatively higher 9.36% annualized return.
VEDTX
- 1D
- -0.28%
- 1M
- -5.85%
- 6M
- -5.11%
- YTD
- -5.74%
- 1Y
- -5.04%
- 3Y*
- -6.09%
- 5Y*
- -12.52%
- 10Y*
- -4.58%
- ALL TIME*
- 2.10%
VBIAX
- 1D
- 1.01%
- 1M
- -0.81%
- 6M
- 4.73%
- YTD
- 5.80%
- 1Y
- 13.37%
- 3Y*
- 12.79%
- 5Y*
- 6.93%
- 10Y*
- 9.36%
- ALL TIME*
- 7.16%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VEDTX vs. VBIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VEDTX Vanguard Extended Duration Treasury Index Fund | -5.74% | 1.34% | -13.35% | 2.15% | -39.40% | -6.52% | 24.20% | 19.16% | -3.50% | 12.69% |
VBIAX Vanguard Balanced Index Fund Admiral Shares | 5.80% | 13.61% | 14.58% | 17.54% | -16.90% | 14.21% | 16.40% | 21.78% | -2.86% | 13.89% |
Correlation
The correlation between VEDTX and VBIAX is 0.34, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.34 |
Correlation (3Y) Balances recent behavior with more history. | 0.35 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.27 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.08 |
Correlation (All Time) Calculated using the full available price history since Nov 20, 2007 | -0.11 |
The correlation between VEDTX and VBIAX shifts across timeframes, from -0.11 (all time) to 0.35 (3 years), reflecting how their relationship changes across market environments.
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
VEDTX vs. VBIAX — Risk / Return Rank
VEDTX
VBIAX
VEDTX vs. VBIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Duration Treasury Index Fund (VEDTX) and Vanguard Balanced Index Fund Admiral Shares (VBIAX). 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.
| VEDTX | VBIAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.68 | ||
| Sortino ratioReturn per unit of downside risk | -2.30 | ||
| Omega ratioGain probability vs. loss probability | 0.97 | 1.26 | -0.29 |
| Calmar ratioReturn relative to maximum drawdown | -0.27 | 2.13 | -2.39 |
| Martin ratioReturn relative to average drawdown | -0.53 | 9.08 | -9.62 |
Loading charts...
Drawdowns
VEDTX vs. VBIAX - Drawdown Comparison
The maximum VEDTX drawdown since its inception was -60.00%, which is greater than VBIAX's maximum drawdown of -35.90%. Use the drawdown chart below to compare losses from any high point for VEDTX and VBIAX.
Loading charts...
Drawdown Indicators
| VEDTX | VBIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.00% | -35.90% | -24.10% |
Max Drawdown (1Y)Largest decline over 1 year | -12.41% | -5.83% | -6.58% |
Max Drawdown (3Y)Largest decline over 3 years | -22.83% | -11.70% | -11.13% |
Max Drawdown (5Y)Largest decline over 5 years | -55.15% | -21.53% | -33.62% |
Max Drawdown (10Y)Largest decline over 10 years | -60.00% | -22.78% | -37.22% |
Current DrawdownCurrent decline from peak | -56.66% | -1.45% | -55.21% |
Average DrawdownAverage peak-to-trough decline | -23.75% | -4.42% | -19.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.18% | 1.36% | +4.82% |
Volatility
VEDTX vs. VBIAX - Volatility Comparison
Vanguard Extended Duration Treasury Index Fund (VEDTX) has a higher volatility of 4.08% compared to Vanguard Balanced Index Fund Admiral Shares (VBIAX) at 2.31%. This indicates that VEDTX's price experiences larger fluctuations and is considered to be riskier than VBIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| VEDTX | VBIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.08% | 2.31% | +1.77% |
Volatility (6M)Calculated over the trailing 6-month period | 10.29% | 6.83% | +3.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.18% | 8.55% | +5.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.78% | 11.15% | +10.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.04% | 11.23% | +8.81% |
VEDTX vs. VBIAX - Expense Ratio Comparison
VEDTX has a 0.06% expense ratio, which is lower than VBIAX's 0.07% 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
VEDTX vs. VBIAX - Dividend Comparison
VEDTX's dividend yield for the trailing twelve months is around 5.42%, which matches VBIAX's 5.37% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VBIAX Vanguard Balanced Index Fund Admiral Shares | 5.37% | 6.00% | 5.27% | 4.35% | 2.83% | 3.19% | 2.65% | 2.28% | 2.32% | 1.95% | 2.09% | 2.09% |
VEDTX Vanguard Extended Duration Treasury Index Fund | 5.42% | 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
VEDTX and VBIAX have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VEDTX has higher volatility (4.08%) compared to VBIAX (2.31%). In terms of maximum drawdown, VEDTX dropped -60.00% vs VBIAX's -35.90%.
VBIAX currently has the higher Sharpe Ratio (1.45 vs -0.23), 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 VEDTX and VBIAX
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