RGSVX vs. ARMGX

Last updated Jun 24, 2026

RGSVX (ClearBridge Global Infrastructure Income Fund) and ARMGX (Western Asset Ultra-Short Income Fund) are both mutual funds - RGSVX is a Energy Equities fund managed by Legg Mason, while ARMGX is a Ultrashort Bond fund managed by Legg Mason. Over the past 5 years, RGSVX returned 9.17%/yr vs 2.66%/yr for ARMGX. At a 0.16 correlation, their price movements are largely independent. RGSVX charges 0.89%/yr vs 1.32%/yr for ARMGX.

Performance

RGSVX vs. ARMGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ClearBridge Global Infrastructure Income Fund (RGSVX) and Western Asset Ultra-Short Income Fund (ARMGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RGSVX achieves a 12.03% return, which is significantly higher than ARMGX's 1.07% return.

RGSVX

• 1D: 0.12%
• 1M: -1.81%
• YTD: 12.03%
• 6M: 12.03%
• 1Y: 20.19%
• 3Y*: 13.95%
• 5Y*: 9.17%
• 10Y*: —

ARMGX

• 1D: 0.00%
• 1M: 0.27%
• YTD: 1.07%
• 6M: 1.46%
• 1Y: 3.59%
• 3Y*: 4.34%
• 5Y*: 2.66%
• 10Y*: 2.22%

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

RGSVX vs. ARMGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RGSVX ClearBridge Global Infrastructure Income Fund	12.03%	26.02%	2.19%	3.64%	-5.85%	12.09%	12.33%	26.21%	-7.94%	17.05%
ARMGX Western Asset Ultra-Short Income Fund	1.07%	4.20%	4.67%	5.25%	-1.91%	0.06%	0.80%	3.38%	0.91%	3.09%

Correlation

The correlation between RGSVX and ARMGX is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.16

Return for Risk

RGSVX vs. ARMGX — Risk / Return Rank

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

RGSVX

RGSVX Risk / Return Rank: 54
RGSVX Sharpe Ratio Rank: 49
RGSVX Sortino Ratio Rank: 46
RGSVX Omega Ratio Rank: 47
RGSVX Calmar Ratio Rank: 77
RGSVX Martin Ratio Rank: 52

ARMGX

ARMGX Risk / Return Rank: 98
ARMGX Sharpe Ratio Rank: 94
ARMGX Sortino Ratio Rank: 98
ARMGX Omega Ratio Rank: 99
ARMGX Calmar Ratio Rank: 99
ARMGX Martin Ratio Rank: 99

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.

RGSVX vs. ARMGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ClearBridge Global Infrastructure Income Fund (RGSVX) and Western Asset Ultra-Short Income Fund (ARMGX). 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.

	RGSVX	ARMGX	Difference
Sharpe ratio: Return per unit of total volatility	1.90	3.03	-1.13
Sortino ratio: Return per unit of downside risk	2.63	6.95	-4.32
Omega ratio: Gain probability vs. loss probability	1.34	2.48	-1.13
Calmar ratio: Return relative to maximum drawdown	3.32	11.07	-7.75
Martin ratio: Return relative to average drawdown	10.04	49.28	-39.24

RGSVX vs. ARMGX - Sharpe Ratio Comparison

The current RGSVX Sharpe Ratio is 1.90, which is lower than the ARMGX Sharpe Ratio of 3.03. The chart below compares the historical Sharpe Ratios of RGSVX and ARMGX, 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

RGSVX vs. ARMGX - Drawdown Comparison

The maximum RGSVX drawdown since its inception was -35.19%, which is greater than ARMGX's maximum drawdown of -21.79%. Use the drawdown chart below to compare losses from any high point for RGSVX and ARMGX.

Drawdown Indicators

	RGSVX	ARMGX	Difference
Max Drawdown Largest peak-to-trough decline	-35.19%	-21.79%	-13.40%
Max Drawdown (1Y) Largest decline over 1 year	-6.49%	-0.33%	-6.16%
Max Drawdown (3Y) Largest decline over 3 years	-16.54%	-0.55%	-15.99%
Max Drawdown (5Y) Largest decline over 5 years	-24.50%	-3.23%	-21.27%
Max Drawdown (10Y) Largest decline over 10 years	—	-9.09%	—
Current Drawdown Current decline from peak	-3.77%	-0.11%	-3.66%
Average Drawdown Average peak-to-trough decline	-5.61%	-1.53%	-4.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.14%	0.07%	+2.07%

Volatility

RGSVX vs. ARMGX - Volatility Comparison

ClearBridge Global Infrastructure Income Fund (RGSVX) has a higher volatility of 3.08% compared to Western Asset Ultra-Short Income Fund (ARMGX) at 0.39%. This indicates that RGSVX's price experiences larger fluctuations and is considered to be riskier than ARMGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RGSVX	ARMGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.08%	0.39%	+2.69%
Volatility (6M) Calculated over the trailing 6-month period	9.57%	0.88%	+8.69%
Volatility (1Y) Calculated over the trailing 1-year period	11.38%	1.19%	+10.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.06%	1.26%	+12.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.62%	1.62%	+14.00%

RGSVX vs. ARMGX - Expense Ratio Comparison

RGSVX has a 0.89% expense ratio, which is lower than ARMGX's 1.32% expense ratio.

Dividends

RGSVX vs. ARMGX - Dividend Comparison

RGSVX's dividend yield for the trailing twelve months is around 2.77%, less than ARMGX's 2.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARMGX Western Asset Ultra-Short Income Fund	2.87%	3.00%	2.43%	2.23%	1.37%	0.17%	1.45%	2.32%	1.92%	1.37%	0.96%	0.48%
RGSVX ClearBridge Global Infrastructure Income Fund	2.77%	3.00%	4.04%	4.78%	4.90%	4.65%	3.79%	2.99%	2.79%	2.20%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RGSVX and ARMGX in my portfolio?

RGSVX and ARMGX have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RGSVX or ARMGX?

RGSVX has higher volatility (3.08%) compared to ARMGX (0.39%). In terms of maximum drawdown, RGSVX dropped -35.19% vs ARMGX's -21.79%.

Which has better risk-adjusted returns?

ARMGX currently has the higher Sharpe Ratio (3.02 vs 1.90), 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.