BGNMX vs. GSUIX

Last updated Aug 5, 2026

BGNMX (American Century Ginnie Mae Fund) and GSUIX (Goldman Sachs U.S. Mortgages Fund) are both Government Bonds funds. Over the past 10 years, BGNMX returned 0.72%/yr vs 1.02%/yr for GSUIX. Their correlation of 0.87 means they have usually moved in the same direction. BGNMX charges 0.55%/yr vs 0.45%/yr for GSUIX.

Performance

BGNMX vs. GSUIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Ginnie Mae Fund (BGNMX) and Goldman Sachs U.S. Mortgages Fund (GSUIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BGNMX achieves a -0.40% return, which is significantly higher than GSUIX's -0.61% return. Over the past 10 years, BGNMX has underperformed GSUIX with an annualized return of 0.72%, while GSUIX has yielded a comparatively higher 1.02% annualized return.

BGNMX

• 1D: 0.34%
• 1M: -1.45%
• 6M: -0.83%
• YTD: -0.40%
• 1Y: 2.49%
• 3Y*: 3.81%
• 5Y*: -0.37%
• 10Y*: 0.72%
• ALL TIME*: 3.87%

GSUIX

• 1D: 0.22%
• 1M: -1.33%
• 6M: -0.93%
• YTD: -0.61%
• 1Y: 2.69%
• 3Y*: 3.88%
• 5Y*: -0.59%
• 10Y*: 1.02%
• ALL TIME*: 2.79%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BGNMX American Century Ginnie Mae Fund	$0.00	$0.00	$0.00
GSUIX Goldman Sachs U.S. Mortgages Fund	$0.00	$0.00	$0.00

BGNMX vs. GSUIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BGNMX American Century Ginnie Mae Fund	-0.40%	7.43%	0.52%	4.72%	-12.06%	-1.79%	3.73%	6.17%	0.44%	1.22%
GSUIX Goldman Sachs U.S. Mortgages Fund	-0.61%	8.31%	0.61%	4.51%	-13.09%	-1.35%	5.79%	6.39%	0.72%	1.82%

Correlation

The correlation between BGNMX and GSUIX is 0.95, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.95
Correlation (3Y) Balances recent behavior with more history.	0.95
Correlation (5Y) Shows whether the relationship held over a longer period.	0.96
Correlation (10Y) Provides a long-term view across more market conditions.	0.92
Correlation (All Time) Calculated using the full available price history since Jan 2, 2004	0.87

The correlation between BGNMX and GSUIX has been stable across timeframes, ranging from 0.87 to 0.96 - a consistent structural relationship.

Return for Risk

BGNMX vs. GSUIX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BGNMX

BGNMX Risk / Return Rank: 15
BGNMX Sharpe Ratio Rank: 15
BGNMX Sortino Ratio Rank: 14
BGNMX Omega Ratio Rank: 14
BGNMX Calmar Ratio Rank: 16
BGNMX Martin Ratio Rank: 15

GSUIX

GSUIX Risk / Return Rank: 16
GSUIX Sharpe Ratio Rank: 16
GSUIX Sortino Ratio Rank: 15
GSUIX Omega Ratio Rank: 15
GSUIX Calmar Ratio Rank: 17
GSUIX Martin Ratio Rank: 16

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BGNMX vs. GSUIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Ginnie Mae Fund (BGNMX) and Goldman Sachs U.S. Mortgages Fund (GSUIX). 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.

	BGNMX	GSUIX	Difference
Sharpe ratio: Return per unit of total volatility	0.66	0.70	-0.05
Sortino ratio: Return per unit of downside risk	0.94	1.01	-0.07
Omega ratio: Gain probability vs. loss probability	1.12	1.12	-0.01
Calmar ratio: Return relative to maximum drawdown	0.85	0.90	-0.05
Martin ratio: Return relative to average drawdown	2.29	2.32	-0.03

BGNMX vs. GSUIX - Sharpe Ratio Comparison

The current BGNMX Sharpe Ratio is 0.66, which is comparable to the GSUIX Sharpe Ratio of 0.70. The chart below compares the historical Sharpe Ratios of BGNMX and GSUIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BGNMX vs. GSUIX - Drawdown Comparison

The maximum BGNMX drawdown since its inception was -18.46%, roughly equal to the maximum GSUIX drawdown of -19.29%. Use the drawdown chart below to compare losses from any high point for BGNMX and GSUIX.

Drawdown Indicators

	BGNMX	GSUIX	Difference
Max Drawdown Largest peak-to-trough decline	-18.46%	-19.29%	+0.83%
Max Drawdown (1Y) Largest decline over 1 year	-3.07%	-3.15%	+0.08%
Max Drawdown (3Y) Largest decline over 3 years	-6.67%	-6.81%	+0.14%
Max Drawdown (5Y) Largest decline over 5 years	-17.69%	-18.76%	+1.07%
Max Drawdown (10Y) Largest decline over 10 years	-18.46%	-19.29%	+0.83%
Current Drawdown Current decline from peak	-2.72%	-3.35%	+0.63%
Average Drawdown Average peak-to-trough decline	-2.03%	-2.62%	+0.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.14%	1.22%	-0.08%

Volatility

BGNMX vs. GSUIX - Volatility Comparison

American Century Ginnie Mae Fund (BGNMX) has a higher volatility of 1.33% compared to Goldman Sachs U.S. Mortgages Fund (GSUIX) at 1.17%. This indicates that BGNMX's price experiences larger fluctuations and is considered to be riskier than GSUIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BGNMX	GSUIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.33%	1.17%	+0.16%
Volatility (6M) Calculated over the trailing 6-month period	3.31%	3.30%	+0.01%
Volatility (1Y) Calculated over the trailing 1-year period	3.99%	4.04%	-0.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.50%	6.63%	-0.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.87%	5.05%	-0.18%

BGNMX vs. GSUIX - Expense Ratio Comparison

BGNMX has a 0.55% expense ratio, which is higher than GSUIX's 0.45% expense ratio.

Dividends

BGNMX vs. GSUIX - Dividend Comparison

BGNMX's dividend yield for the trailing twelve months is around 3.66%, less than GSUIX's 3.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BGNMX American Century Ginnie Mae Fund	3.66%	3.86%	3.70%	3.21%	1.90%	1.64%	2.16%	2.68%	2.65%	2.37%	2.37%	2.37%
GSUIX Goldman Sachs U.S. Mortgages Fund	3.74%	4.01%	3.45%	3.14%	1.87%	1.67%	2.88%	3.26%	2.94%	2.58%	2.65%	2.77%

Frequently Asked Questions

Can I hold both BGNMX and GSUIX in my portfolio?

With a correlation of 0.95, BGNMX and GSUIX 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.

Which is riskier, BGNMX or GSUIX?

BGNMX has higher volatility (1.33%) compared to GSUIX (1.17%). In terms of maximum drawdown, BGNMX dropped -18.46% vs GSUIX's -19.29%.

Which has better risk-adjusted returns?

GSUIX currently has the higher Sharpe Ratio (0.70 vs 0.66), 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.