VFIIX vs. VBMFX
Compare and contrast key facts about Vanguard GNMA Fund Investor Shares (VFIIX) and Vanguard Total Bond Market Index Fund (VBMFX).
VFIIX is managed by Vanguard. It was launched on Jun 27, 1980. VBMFX is managed by Vanguard. It was launched on Dec 11, 1986.
Performance
VFIIX vs. VBMFX - Performance Comparison
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VFIIX vs. VBMFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VFIIX Vanguard GNMA Fund Investor Shares | 0.29% | 7.73% | 1.07% | 5.17% | -10.81% | -1.24% | 3.73% | 5.84% | 0.89% | 1.88% |
VBMFX Vanguard Total Bond Market Index Fund | -0.30% | 7.05% | 1.15% | 5.62% | -13.25% | -2.04% | 7.63% | 8.61% | -0.34% | 3.45% |
Returns By Period
In the year-to-date period, VFIIX achieves a 0.29% return, which is significantly higher than VBMFX's -0.30% return. Over the past 10 years, VFIIX has underperformed VBMFX with an annualized return of 1.32%, while VBMFX has yielded a comparatively higher 1.50% annualized return.
VFIIX
- 1D
- 0.21%
- 1M
- -1.36%
- YTD
- 0.29%
- 6M
- 1.53%
- 1Y
- 4.65%
- 3Y*
- 3.81%
- 5Y*
- 0.35%
- 10Y*
- 1.32%
VBMFX
- 1D
- 0.21%
- 1M
- -1.63%
- YTD
- -0.30%
- 6M
- 0.35%
- 1Y
- 3.55%
- 3Y*
- 3.40%
- 5Y*
- 0.08%
- 10Y*
- 1.50%
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VFIIX vs. VBMFX - Expense Ratio Comparison
VFIIX has a 0.21% expense ratio, which is higher than VBMFX's 0.15% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
VFIIX vs. VBMFX — Risk / Return Rank
VFIIX
VBMFX
VFIIX vs. VBMFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard GNMA Fund Investor Shares (VFIIX) and Vanguard Total Bond Market Index Fund (VBMFX). 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.
| VFIIX | VBMFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.15 | 0.90 | +0.25 |
Sortino ratioReturn per unit of downside risk | 1.66 | 1.30 | +0.36 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.16 | +0.05 |
Calmar ratioReturn relative to maximum drawdown | 2.09 | 1.62 | +0.47 |
Martin ratioReturn relative to average drawdown | 5.72 | 4.56 | +1.15 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VFIIX | VBMFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.15 | 0.90 | +0.25 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.06 | 0.01 | +0.04 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.28 | 0.30 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.64 | 0.96 | -0.32 |
Correlation
The correlation between VFIIX and VBMFX is 0.86, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
VFIIX vs. VBMFX - Dividend Comparison
VFIIX's dividend yield for the trailing twelve months is around 3.35%, less than VBMFX's 3.50% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VFIIX Vanguard GNMA Fund Investor Shares | 3.35% | 3.62% | 3.58% | 3.23% | 2.34% | 0.63% | 1.87% | 2.76% | 2.90% | 2.64% | 3.01% | 2.84% |
VBMFX Vanguard Total Bond Market Index Fund | 3.50% | 3.76% | 3.57% | 2.99% | 2.49% | 1.72% | 2.31% | 2.63% | 2.47% | 2.45% | 2.43% | 2.71% |
Drawdowns
VFIIX vs. VBMFX - Drawdown Comparison
The maximum VFIIX drawdown since its inception was -25.80%, which is greater than VBMFX's maximum drawdown of -19.08%. Use the drawdown chart below to compare losses from any high point for VFIIX and VBMFX.
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Drawdown Indicators
| VFIIX | VBMFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -25.80% | -19.08% | -6.72% |
Max Drawdown (1Y)Largest decline over 1 year | -2.60% | -2.73% | +0.13% |
Max Drawdown (5Y)Largest decline over 5 years | -15.87% | -18.24% | +2.37% |
Max Drawdown (10Y)Largest decline over 10 years | -16.20% | -19.08% | +2.88% |
Current DrawdownCurrent decline from peak | -1.87% | -3.56% | +1.69% |
Average DrawdownAverage peak-to-trough decline | -2.98% | -2.70% | -0.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.95% | 0.97% | -0.02% |
Volatility
VFIIX vs. VBMFX - Volatility Comparison
Vanguard GNMA Fund Investor Shares (VFIIX) and Vanguard Total Bond Market Index Fund (VBMFX) have volatilities of 1.61% and 1.55%, 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.
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Volatility by Period
| VFIIX | VBMFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.61% | 1.55% | +0.06% |
Volatility (6M)Calculated over the trailing 6-month period | 2.62% | 2.58% | +0.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.37% | 4.35% | +0.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.15% | 5.99% | +0.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.66% | 4.96% | -0.30% |