SGINX vs. VFIRX

Last updated Jun 5, 2026

SGINX (DWS GNMA Fund) and VFIRX (Vanguard Short-Term Treasury Fund Admiral Shares) are both Government Bonds funds. Over the past 10 years, SGINX returned 1.05%/yr vs 1.71%/yr for VFIRX. A 0.66 correlation means they provide meaningful diversification when combined. SGINX charges 0.58%/yr vs 0.10%/yr for VFIRX.

Performance

SGINX vs. VFIRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DWS GNMA Fund (SGINX) and Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SGINX achieves a 0.21% return, which is significantly lower than VFIRX's 0.44% return. Over the past 10 years, SGINX has underperformed VFIRX with an annualized return of 1.05%, while VFIRX has yielded a comparatively higher 1.71% annualized return.

SGINX

• 1D: 0.00%
• 1M: -0.05%
• YTD: 0.21%
• 6M: 0.48%
• 1Y: 5.88%
• 3Y*: 3.86%
• 5Y*: -0.07%
• 10Y*: 1.05%

VFIRX

• 1D: 0.00%
• 1M: 0.02%
• YTD: 0.44%
• 6M: 0.75%
• 1Y: 3.37%
• 3Y*: 4.12%
• 5Y*: 1.51%
• 10Y*: 1.71%

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

SGINX vs. VFIRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SGINX DWS GNMA Fund	0.21%	7.88%	0.59%	4.93%	-11.82%	-1.12%	3.29%	6.65%	0.42%	1.52%
VFIRX Vanguard Short-Term Treasury Fund Admiral Shares	0.44%	5.47%	3.85%	3.66%	-4.61%	-0.80%	4.06%	3.71%	1.47%	0.40%

Correlation

The correlation between SGINX and VFIRX is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.68
Correlation (5Y) Calculated over the trailing 5-year period	0.72
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since Feb 14, 2001	0.66

The correlation between SGINX and VFIRX shifts across timeframes, from 0.50 (1 year) to 0.72 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

SGINX vs. VFIRX — Risk / Return Rank

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

SGINX

SGINX Risk / Return Rank: 34
SGINX Sharpe Ratio Rank: 36
SGINX Sortino Ratio Rank: 38
SGINX Omega Ratio Rank: 37
SGINX Calmar Ratio Rank: 31
SGINX Martin Ratio Rank: 29

VFIRX

VFIRX Risk / Return Rank: 44
VFIRX Sharpe Ratio Rank: 36
VFIRX Sortino Ratio Rank: 52
VFIRX Omega Ratio Rank: 46
VFIRX Calmar Ratio Rank: 45
VFIRX Martin Ratio Rank: 40

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.

SGINX vs. VFIRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DWS GNMA Fund (SGINX) and Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX). 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.

	SGINX	VFIRX	Difference
Sharpe ratio: Return per unit of total volatility	1.68	1.74	-0.05
Sortino ratio: Return per unit of downside risk	2.49	3.04	-0.55
Omega ratio: Gain probability vs. loss probability	1.31	1.37	-0.05
Calmar ratio: Return relative to maximum drawdown	2.01	2.56	-0.56
Martin ratio: Return relative to average drawdown	6.58	8.61	-2.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SGINX vs. VFIRX - Sharpe Ratio Comparison

The current SGINX Sharpe Ratio is 1.68, which is comparable to the VFIRX Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of SGINX and VFIRX, 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

	SGINX	VFIRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.68	1.74	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.01	0.57	-0.58
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.22	0.81	-0.59
Sharpe Ratio (All Time) Calculated using the full available price history	0.76	1.16	-0.40

Drawdowns

SGINX vs. VFIRX - Drawdown Comparison

The maximum SGINX drawdown since its inception was -17.37%, which is greater than VFIRX's maximum drawdown of -6.73%. Use the drawdown chart below to compare losses from any high point for SGINX and VFIRX.

Drawdown Indicators

	SGINX	VFIRX	Difference
Max Drawdown Largest peak-to-trough decline	-17.37%	-6.73%	-10.64%
Max Drawdown (1Y) Largest decline over 1 year	-3.23%	-1.40%	-1.83%
Max Drawdown (3Y) Largest decline over 3 years	-7.51%	-1.40%	-6.11%
Max Drawdown (5Y) Largest decline over 5 years	-16.98%	-6.73%	-10.25%
Max Drawdown (10Y) Largest decline over 10 years	-17.37%	-6.73%	-10.64%
Current Drawdown Current decline from peak	-1.86%	-0.56%	-1.30%
Average Drawdown Average peak-to-trough decline	-1.97%	-0.71%	-1.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.42%	+0.56%

Volatility

SGINX vs. VFIRX - Volatility Comparison

DWS GNMA Fund (SGINX) has a higher volatility of 1.66% compared to Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) at 0.57%. This indicates that SGINX's price experiences larger fluctuations and is considered to be riskier than VFIRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SGINX	VFIRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.66%	0.57%	+1.09%
Volatility (6M) Calculated over the trailing 6-month period	2.84%	1.50%	+1.34%
Volatility (1Y) Calculated over the trailing 1-year period	3.85%	2.07%	+1.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.44%	2.68%	+3.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.82%	2.12%	+2.70%

SGINX vs. VFIRX - Expense Ratio Comparison

SGINX has a 0.58% expense ratio, which is higher than VFIRX's 0.10% expense ratio.

Dividends

SGINX vs. VFIRX - Dividend Comparison

SGINX's dividend yield for the trailing twelve months is around 4.47%, more than VFIRX's 3.85% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SGINX DWS GNMA Fund	4.47%	3.77%	3.97%	3.82%	1.86%	1.37%	2.22%	2.94%	2.71%	3.07%	2.95%	3.41%
VFIRX Vanguard Short-Term Treasury Fund Admiral Shares	3.85%	3.99%	4.49%	4.07%	2.03%	0.60%	2.30%	2.49%	2.21%	1.25%	1.28%	0.93%

Frequently Asked Questions

Can I hold both SGINX and VFIRX in my portfolio?

SGINX and VFIRX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SGINX or VFIRX?

SGINX has higher volatility (1.66%) compared to VFIRX (0.57%). In terms of maximum drawdown, SGINX dropped -17.37% vs VFIRX's -6.73%.

Which has better risk-adjusted returns?

VFIRX currently has the higher Sharpe Ratio (1.74 vs 1.68), 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.