CGCB vs. CGUI

Last updated Jun 4, 2026

CGCB (Capital Group Core Bond ETF) and CGUI (Capital Group Ultra Short Income ETF) are both exchange-traded funds - CGCB is a Intermediate Core Bond fund actively managed by Capital Group, while CGUI is a Ultrashort Bond fund actively managed by Capital Group. Both are actively managed. Over the past year, CGCB returned 5.06% vs 4.42% for CGUI. At a 0.39 correlation, their price movements are largely independent. CGCB charges 0.27%/yr vs 0.18%/yr for CGUI.

Performance

CGCB vs. CGUI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Capital Group Core Bond ETF (CGCB) and Capital Group Ultra Short Income ETF (CGUI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CGCB achieves a 0.05% return, which is significantly lower than CGUI's 1.50% return.

CGCB

• 1D: -0.19%
• 1M: 0.18%
• YTD: 0.05%
• 6M: 0.01%
• 1Y: 5.06%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CGUI

• 1D: -0.04%
• 1M: 0.29%
• YTD: 1.50%
• 6M: 1.84%
• 1Y: 4.42%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CGCB vs. CGUI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CGCB Capital Group Core Bond ETF	0.05%	7.29%	1.61%
CGUI Capital Group Ultra Short Income ETF	1.50%	4.99%	3.03%

Correlation

The correlation between CGCB and CGUI is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (All Time) Calculated using the full available price history since Jun 28, 2024	0.39

Return for Risk

CGCB vs. CGUI — Risk / Return Rank

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

CGCB

CGCB Risk / Return Rank: 35
CGCB Sharpe Ratio Rank: 36
CGCB Sortino Ratio Rank: 37
CGCB Omega Ratio Rank: 33
CGCB Calmar Ratio Rank: 35
CGCB Martin Ratio Rank: 34

CGUI

CGUI Risk / Return Rank: 99
CGUI Sharpe Ratio Rank: 98
CGUI Sortino Ratio Rank: 99
CGUI Omega Ratio Rank: 99
CGUI Calmar Ratio Rank: 99
CGUI 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.

CGCB vs. CGUI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Capital Group Core Bond ETF (CGCB) and Capital Group Ultra Short Income ETF (CGUI). 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.

	CGCB	CGUI	Difference
Sharpe ratio: Return per unit of total volatility	1.29	5.99	-4.70
Sortino ratio: Return per unit of downside risk	1.92	10.92	-9.00
Omega ratio: Gain probability vs. loss probability	1.22	2.66	-1.43
Calmar ratio: Return relative to maximum drawdown	1.71	24.99	-23.28
Martin ratio: Return relative to average drawdown	5.16	105.06	-99.90
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CGCB vs. CGUI - Sharpe Ratio Comparison

The current CGCB Sharpe Ratio is 1.29, which is lower than the CGUI Sharpe Ratio of 5.99. The chart below compares the historical Sharpe Ratios of CGCB and CGUI, 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

	CGCB	CGUI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.29	5.99	-4.70
Sharpe Ratio (All Time) Calculated using the full available price history	1.08	6.20	-5.12

Drawdowns

CGCB vs. CGUI - Drawdown Comparison

The maximum CGCB drawdown since its inception was -5.17%, which is greater than CGUI's maximum drawdown of -0.18%. Use the drawdown chart below to compare losses from any high point for CGCB and CGUI.

Drawdown Indicators

	CGCB	CGUI	Difference
Max Drawdown Largest peak-to-trough decline	-5.17%	-0.18%	-4.99%
Max Drawdown (1Y) Largest decline over 1 year	-2.98%	-0.18%	-2.80%
Current Drawdown Current decline from peak	-1.83%	-0.04%	-1.79%
Average Drawdown Average peak-to-trough decline	-1.34%	-0.02%	-1.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.04%	+0.94%

Volatility

CGCB vs. CGUI - Volatility Comparison

Capital Group Core Bond ETF (CGCB) has a higher volatility of 1.32% compared to Capital Group Ultra Short Income ETF (CGUI) at 0.30%. This indicates that CGCB's price experiences larger fluctuations and is considered to be riskier than CGUI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGCB	CGUI	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.32%	0.30%	+1.02%
Volatility (6M) Calculated over the trailing 6-month period	2.80%	0.56%	+2.24%
Volatility (1Y) Calculated over the trailing 1-year period	3.94%	0.74%	+3.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.39%	0.80%	+4.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.39%	0.80%	+4.59%

CGCB vs. CGUI - Expense Ratio Comparison

CGCB has a 0.27% expense ratio, which is higher than CGUI's 0.18% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

CGCB vs. CGUI - Dividend Comparison

CGCB's dividend yield for the trailing twelve months is around 4.22%, more than CGUI's 3.89% yield.

Position	TTM	2025	2024	2023
CGCB Capital Group Core Bond ETF	4.22%	4.22%	3.99%	0.95%
CGUI Capital Group Ultra Short Income ETF	3.89%	4.17%	2.62%	0.00%

Frequently Asked Questions

Can I hold both CGCB and CGUI in my portfolio?

CGCB and CGUI have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CGCB or CGUI?

CGCB has higher volatility (1.32%) compared to CGUI (0.30%). In terms of maximum drawdown, CGCB dropped -5.17% vs CGUI's -0.18%.

Which ETF is better, CGCB or CGUI?

On 1-year performance, CGCB leads with 5.06% vs 4.42% for CGUI. On fees, CGUI is cheaper at 0.18% per year. On volatility, CGUI has been the lower-risk option at 0.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CGCB or CGUI?

Over the 1-year period, CGCB has performed better with a 5.06% return vs 4.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CGCB or CGUI?

CGUI is cheaper with a 0.18% expense ratio, compared with 0.27% for CGCB.

Which ETF pays a higher dividend yield, CGCB or CGUI?

CGCB has the higher dividend yield at 4.22%, compared with 3.89% for CGUI.

What is the main difference between CGCB and CGUI?

CGCB is categorized as Intermediate Core Bond, while CGUI is Ultrashort Bond. Their fees differ too: 0.27% for CGCB and 0.18% for CGUI.

Which has better risk-adjusted returns?

CGUI currently has the higher Sharpe Ratio (5.99 vs 1.29), 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.