FGMNX vs. VMBS
Compare and contrast key facts about Fidelity GNMA Fund (FGMNX) and Vanguard Mortgage-Backed Securities ETF (VMBS).
FGMNX is managed by Fidelity. It was launched on Nov 8, 1985. VMBS is a passively managed fund by Vanguard that tracks the performance of the Barclays Capital U.S. MBS Index. It was launched on Nov 19, 2009.
Performance
FGMNX vs. VMBS - Performance Comparison
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FGMNX vs. VMBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FGMNX Fidelity GNMA Fund | 0.46% | 7.89% | 0.43% | 5.46% | -11.52% | -1.03% | 3.74% | 5.72% | 0.62% | 1.74% |
VMBS Vanguard Mortgage-Backed Securities ETF | 0.50% | 8.36% | 1.70% | 5.34% | -11.90% | -1.28% | 3.76% | 6.19% | 0.91% | 2.47% |
Returns By Period
In the year-to-date period, FGMNX achieves a 0.46% return, which is significantly lower than VMBS's 0.50% return. Over the past 10 years, FGMNX has underperformed VMBS with an annualized return of 1.22%, while VMBS has yielded a comparatively higher 1.41% annualized return.
FGMNX
- 1D
- 0.19%
- 1M
- -1.33%
- YTD
- 0.46%
- 6M
- 1.56%
- 1Y
- 4.70%
- 3Y*
- 3.76%
- 5Y*
- 0.19%
- 10Y*
- 1.22%
VMBS
- 1D
- 0.09%
- 1M
- -0.94%
- YTD
- 0.50%
- 6M
- 1.82%
- 1Y
- 5.44%
- 3Y*
- 4.32%
- 5Y*
- 0.51%
- 10Y*
- 1.41%
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FGMNX vs. VMBS - Expense Ratio Comparison
FGMNX has a 0.45% expense ratio, which is higher than VMBS's 0.04% expense ratio.
Return for Risk
FGMNX vs. VMBS — Risk / Return Rank
FGMNX
VMBS
FGMNX vs. VMBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity GNMA Fund (FGMNX) and Vanguard Mortgage-Backed Securities ETF (VMBS). 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.
| FGMNX | VMBS | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.17 | 1.10 | +0.07 |
Sortino ratioReturn per unit of downside risk | 1.69 | 1.57 | +0.12 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.20 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.94 | 1.96 | -0.02 |
Martin ratioReturn relative to average drawdown | 5.55 | 6.10 | -0.56 |
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
| FGMNX | VMBS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.17 | 1.10 | +0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.03 | 0.08 | -0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.26 | 0.26 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.04 | 0.46 | +0.58 |
Correlation
The correlation between FGMNX and VMBS is 0.81, 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
FGMNX vs. VMBS - Dividend Comparison
FGMNX's dividend yield for the trailing twelve months is around 3.30%, less than VMBS's 4.24% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FGMNX Fidelity GNMA Fund | 3.30% | 3.61% | 3.23% | 3.45% | 1.68% | 0.76% | 1.61% | 2.46% | 2.19% | 2.17% | 2.61% | 2.25% |
VMBS Vanguard Mortgage-Backed Securities ETF | 4.24% | 4.20% | 3.94% | 3.31% | 2.35% | 1.02% | 2.01% | 2.77% | 2.72% | 2.16% | 2.10% | 2.12% |
Drawdowns
FGMNX vs. VMBS - Drawdown Comparison
The maximum FGMNX drawdown since its inception was -16.84%, roughly equal to the maximum VMBS drawdown of -17.47%. Use the drawdown chart below to compare losses from any high point for FGMNX and VMBS.
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Drawdown Indicators
| FGMNX | VMBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.84% | -17.47% | +0.63% |
Max Drawdown (1Y)Largest decline over 1 year | -2.91% | -3.00% | +0.09% |
Max Drawdown (5Y)Largest decline over 5 years | -16.62% | -17.12% | +0.50% |
Max Drawdown (10Y)Largest decline over 10 years | -16.84% | -17.47% | +0.63% |
Current DrawdownCurrent decline from peak | -1.71% | -1.48% | -0.23% |
Average DrawdownAverage peak-to-trough decline | -1.91% | -2.51% | +0.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.02% | 0.96% | +0.06% |
Volatility
FGMNX vs. VMBS - Volatility Comparison
The current volatility for Fidelity GNMA Fund (FGMNX) is 1.50%, while Vanguard Mortgage-Backed Securities ETF (VMBS) has a volatility of 1.90%. This indicates that FGMNX experiences smaller price fluctuations and is considered to be less risky than VMBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FGMNX | VMBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.50% | 1.90% | -0.40% |
Volatility (6M)Calculated over the trailing 6-month period | 2.49% | 2.89% | -0.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.41% | 5.00% | -0.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.21% | 6.71% | -0.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.65% | 5.37% | -0.72% |