VFITX vs. BGNMX
VFITX (Vanguard Intermediate-Term Treasury Fund Investor Shares) and BGNMX (American Century Ginnie Mae Fund) are both Government Bonds funds. Over the past 10 years, VFITX returned 1.17%/yr vs 0.84%/yr for BGNMX. A 0.79 correlation means they provide meaningful diversification when combined. VFITX charges 0.20%/yr vs 0.55%/yr for BGNMX.
Performance
VFITX vs. BGNMX - Performance Comparison
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Returns By Period
In the year-to-date period, VFITX achieves a -0.81% return, which is significantly lower than BGNMX's 0.51% return. Over the past 10 years, VFITX has outperformed BGNMX with an annualized return of 1.17%, while BGNMX has yielded a comparatively lower 0.84% annualized return.
VFITX
- 1D
- -0.30%
- 1M
- 0.33%
- YTD
- -0.81%
- 6M
- -0.39%
- 1Y
- 2.70%
- 3Y*
- 3.51%
- 5Y*
- 0.04%
- 10Y*
- 1.17%
BGNMX
- 1D
- -0.33%
- 1M
- 0.55%
- YTD
- 0.51%
- 6M
- 0.84%
- 1Y
- 5.17%
- 3Y*
- 3.65%
- 5Y*
- -0.13%
- 10Y*
- 0.84%
VFITX vs. BGNMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VFITX Vanguard Intermediate-Term Treasury Fund Investor Shares | -0.81% | 7.54% | 1.39% | 4.08% | -10.43% | -2.38% | 8.20% | 6.29% | 1.01% | 1.57% |
BGNMX American Century Ginnie Mae Fund | 0.51% | 7.43% | 0.52% | 4.72% | -12.06% | -1.79% | 3.73% | 6.17% | 0.44% | 1.22% |
Correlation
The correlation between VFITX and BGNMX is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.93 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.91 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.85 |
Correlation (All Time) Calculated using the full available price history since Oct 28, 1991 | 0.79 |
The correlation between VFITX and BGNMX shifts across timeframes, from 0.79 (all time) to 0.93 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
VFITX vs. BGNMX — Risk / Return Rank
VFITX
BGNMX
VFITX vs. BGNMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Intermediate-Term Treasury Fund Investor Shares (VFITX) and American Century Ginnie Mae Fund (BGNMX). 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.
| VFITX | BGNMX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.53 | ||
| Sortino ratioReturn per unit of downside risk | -0.75 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.24 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 0.94 | 1.73 | -0.79 |
| Martin ratioReturn relative to average drawdown | 2.49 | 5.44 | -2.95 |
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Drawdowns
VFITX vs. BGNMX - Drawdown Comparison
The maximum VFITX drawdown since its inception was -15.58%, smaller than the maximum BGNMX drawdown of -18.46%. Use the drawdown chart below to compare losses from any high point for VFITX and BGNMX.
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Drawdown Indicators
| VFITX | BGNMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.58% | -18.46% | +2.88% |
Max Drawdown (1Y)Largest decline over 1 year | -3.21% | -3.07% | -0.14% |
Max Drawdown (3Y)Largest decline over 3 years | -4.75% | -7.78% | +3.03% |
Max Drawdown (5Y)Largest decline over 5 years | -14.98% | -17.74% | +2.76% |
Max Drawdown (10Y)Largest decline over 10 years | -15.58% | -18.46% | +2.88% |
Current DrawdownCurrent decline from peak | -2.49% | -1.83% | -0.66% |
Average DrawdownAverage peak-to-trough decline | -2.64% | -2.03% | -0.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.21% | 0.97% | +0.24% |
Volatility
VFITX vs. BGNMX - Volatility Comparison
Vanguard Intermediate-Term Treasury Fund Investor Shares (VFITX) and American Century Ginnie Mae Fund (BGNMX) have volatilities of 1.26% and 1.28%, 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
| VFITX | BGNMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.26% | 1.28% | -0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 2.88% | 3.11% | -0.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.88% | 4.06% | -0.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.64% | 6.47% | -0.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.67% | 4.85% | -0.18% |
VFITX vs. BGNMX - Expense Ratio Comparison
VFITX has a 0.20% expense ratio, which is lower than BGNMX's 0.55% expense ratio.
Dividends
VFITX vs. BGNMX - Dividend Comparison
VFITX's dividend yield for the trailing twelve months is around 3.94%, which matches BGNMX's 3.94% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BGNMX American Century Ginnie Mae Fund | 3.94% | 3.86% | 3.70% | 3.21% | 1.90% | 1.64% | 2.16% | 2.68% | 2.65% | 2.37% | 2.37% | 2.37% |
VFITX Vanguard Intermediate-Term Treasury Fund Investor Shares | 3.94% | 3.90% | 4.05% | 3.45% | 1.97% | 0.99% | 4.84% | 2.30% | 2.34% | 1.75% | 2.77% | 2.50% |
Frequently Asked Questions
With a correlation of 0.90, VFITX and BGNMX 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.
BGNMX has higher volatility (1.28%) compared to VFITX (1.26%). In terms of maximum drawdown, VFITX dropped -15.58% vs BGNMX's -18.46%.
BGNMX currently has the higher Sharpe Ratio (1.31 vs 0.78), 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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