CGBL vs. AMBFX

Last updated Jun 4, 2026

CGBL (Capital Group Core Balanced ETF) and AMBFX (American Funds American Balanced Fund® Class F-2) are both Diversified Portfolio funds. Over the past year, CGBL returned 18.61% vs 25.21% for AMBFX. With a 0.97 correlation, they move nearly in lockstep. CGBL charges 0.33%/yr vs 0.35%/yr for AMBFX.

Performance

CGBL vs. AMBFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Capital Group Core Balanced ETF (CGBL) and American Funds American Balanced Fund® Class F-2 (AMBFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CGBL achieves a 7.45% return, which is significantly lower than AMBFX's 10.06% return.

CGBL

• 1D: -0.60%
• 1M: 3.64%
• YTD: 7.45%
• 6M: 8.19%
• 1Y: 18.61%
• 3Y*: —
• 5Y*: —
• 10Y*: —

AMBFX

• 1D: 0.24%
• 1M: 4.00%
• YTD: 10.06%
• 6M: 10.70%
• 1Y: 25.21%
• 3Y*: 17.77%
• 5Y*: 9.94%
• 10Y*: 10.47%

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

CGBL vs. AMBFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
CGBL Capital Group Core Balanced ETF	7.45%	15.33%	16.64%	9.80%
AMBFX American Funds American Balanced Fund® Class F-2	10.06%	18.67%	15.25%	9.21%

Correlation

The correlation between CGBL and AMBFX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (All Time) Calculated using the full available price history since Sep 29, 2023	0.97

The correlation between CGBL and AMBFX has been stable across timeframes, ranging from 0.96 to 0.97 - a consistent structural relationship.

Return for Risk

CGBL vs. AMBFX — Risk / Return Rank

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

CGBL

CGBL Risk / Return Rank: 55
CGBL Sharpe Ratio Rank: 56
CGBL Sortino Ratio Rank: 58
CGBL Omega Ratio Rank: 57
CGBL Calmar Ratio Rank: 47
CGBL Martin Ratio Rank: 59

AMBFX

AMBFX Risk / Return Rank: 86
AMBFX Sharpe Ratio Rank: 90
AMBFX Sortino Ratio Rank: 87
AMBFX Omega Ratio Rank: 84
AMBFX Calmar Ratio Rank: 81
AMBFX Martin Ratio Rank: 86

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.

CGBL vs. AMBFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Capital Group Core Balanced ETF (CGBL) and American Funds American Balanced Fund® Class F-2 (AMBFX). 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.

	CGBL	AMBFX	Difference
Sharpe ratio: Return per unit of total volatility	1.95	2.96	-1.02
Sortino ratio: Return per unit of downside risk	2.82	4.14	-1.32
Omega ratio: Gain probability vs. loss probability	1.35	1.57	-0.21
Calmar ratio: Return relative to maximum drawdown	2.37	3.70	-1.32
Martin ratio: Return relative to average drawdown	10.54	16.73	-6.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CGBL vs. AMBFX - Sharpe Ratio Comparison

The current CGBL Sharpe Ratio is 1.95, which is lower than the AMBFX Sharpe Ratio of 2.96. The chart below compares the historical Sharpe Ratios of CGBL and AMBFX, 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

	CGBL	AMBFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.95	2.96	-1.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.95	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.98	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.72	0.78	+0.94

Drawdowns

CGBL vs. AMBFX - Drawdown Comparison

The maximum CGBL drawdown since its inception was -11.66%, smaller than the maximum AMBFX drawdown of -35.05%. Use the drawdown chart below to compare losses from any high point for CGBL and AMBFX.

Drawdown Indicators

	CGBL	AMBFX	Difference
Max Drawdown Largest peak-to-trough decline	-11.66%	-35.05%	+23.39%
Max Drawdown (1Y) Largest decline over 1 year	-7.88%	-7.00%	-0.88%
Max Drawdown (3Y) Largest decline over 3 years	—	-10.64%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.65%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-22.31%	—
Current Drawdown Current decline from peak	-0.60%	0.00%	-0.60%
Average Drawdown Average peak-to-trough decline	-1.29%	-3.58%	+2.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.77%	1.54%	+0.23%

Volatility

CGBL vs. AMBFX - Volatility Comparison

Capital Group Core Balanced ETF (CGBL) has a higher volatility of 3.14% compared to American Funds American Balanced Fund® Class F-2 (AMBFX) at 2.67%. This indicates that CGBL's price experiences larger fluctuations and is considered to be riskier than AMBFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGBL	AMBFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.14%	2.67%	+0.47%
Volatility (6M) Calculated over the trailing 6-month period	7.85%	6.86%	+0.99%
Volatility (1Y) Calculated over the trailing 1-year period	9.61%	8.73%	+0.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.03%	10.50%	+0.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.03%	10.67%	+0.36%

CGBL vs. AMBFX - Expense Ratio Comparison

CGBL has a 0.33% expense ratio, which is lower than AMBFX's 0.35% expense ratio.

Dividends

CGBL vs. AMBFX - Dividend Comparison

CGBL's dividend yield for the trailing twelve months is around 1.86%, less than AMBFX's 7.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMBFX American Funds American Balanced Fund® Class F-2	7.72%	8.47%	7.40%	2.20%	2.52%	4.50%	4.56%	4.19%	6.20%	4.85%	4.46%	5.81%
CGBL Capital Group Core Balanced ETF	1.86%	1.98%	1.92%	0.48%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CGBL and AMBFX in my portfolio?

With a correlation of 0.96, CGBL and AMBFX 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, CGBL or AMBFX?

CGBL has higher volatility (3.14%) compared to AMBFX (2.67%). In terms of maximum drawdown, CGBL dropped -11.66% vs AMBFX's -35.05%.

Which has better risk-adjusted returns?

AMBFX currently has the higher Sharpe Ratio (2.96 vs 1.95), 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.