CBALX vs. AMBFX

Last updated Jun 23, 2026

CBALX (Columbia Balanced Fund) and AMBFX (American Funds American Balanced Fund® Class F-2) are both Diversified Portfolio funds. Over the past 10 years, CBALX returned 10.10%/yr vs 10.46%/yr for AMBFX. With a 0.96 correlation, they move nearly in lockstep. CBALX charges 0.67%/yr vs 0.35%/yr for AMBFX.

Performance

CBALX vs. AMBFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Balanced Fund (CBALX) 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, CBALX achieves a 6.03% return, which is significantly lower than AMBFX's 9.85% return. Both investments have delivered pretty close results over the past 10 years, with CBALX having a 10.10% annualized return and AMBFX not far ahead at 10.46%.

CBALX

• 1D: 0.86%
• 1M: 1.25%
• YTD: 6.03%
• 6M: 5.93%
• 1Y: 17.64%
• 3Y*: 14.41%
• 5Y*: 8.39%
• 10Y*: 10.10%

AMBFX

• 1D: 0.84%
• 1M: 1.76%
• YTD: 9.85%
• 6M: 10.15%
• 1Y: 24.09%
• 3Y*: 17.10%
• 5Y*: 10.15%
• 10Y*: 10.46%

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

CBALX vs. AMBFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CBALX Columbia Balanced Fund	6.03%	14.14%	14.60%	21.49%	-16.63%	14.92%	17.91%	23.05%	-5.75%	14.29%
AMBFX American Funds American Balanced Fund® Class F-2	9.85%	18.67%	15.25%	13.81%	-11.93%	16.00%	11.06%	19.45%	-2.69%	14.85%

Correlation

The correlation between CBALX and AMBFX is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Aug 1, 2008	0.96

The correlation between CBALX and AMBFX has been stable across timeframes, ranging from 0.91 to 0.96 - a consistent structural relationship.

Return for Risk

CBALX vs. AMBFX — Risk / Return Rank

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

CBALX

CBALX Risk / Return Rank: 54
CBALX Sharpe Ratio Rank: 53
CBALX Sortino Ratio Rank: 52
CBALX Omega Ratio Rank: 54
CBALX Calmar Ratio Rank: 52
CBALX Martin Ratio Rank: 59

AMBFX

AMBFX Risk / Return Rank: 83
AMBFX Sharpe Ratio Rank: 87
AMBFX Sortino Ratio Rank: 83
AMBFX Omega Ratio Rank: 82
AMBFX Calmar Ratio Rank: 79
AMBFX Martin Ratio Rank: 87

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.

CBALX vs. AMBFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Balanced Fund (CBALX) 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.

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.

	CBALX	AMBFX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	2.61	-0.62
Sortino ratio: Return per unit of downside risk	2.80	3.63	-0.83
Omega ratio: Gain probability vs. loss probability	1.37	1.49	-0.13
Calmar ratio: Return relative to maximum drawdown	2.64	3.43	-0.80
Martin ratio: Return relative to average drawdown	11.01	15.23	-4.22

CBALX vs. AMBFX - Sharpe Ratio Comparison

The current CBALX Sharpe Ratio is 1.99, which is comparable to the AMBFX Sharpe Ratio of 2.61. The chart below compares the historical Sharpe Ratios of CBALX 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.

Drawdowns

CBALX vs. AMBFX - Drawdown Comparison

The maximum CBALX drawdown since its inception was -34.53%, roughly equal to the maximum AMBFX drawdown of -35.05%. Use the drawdown chart below to compare losses from any high point for CBALX and AMBFX.

Drawdown Indicators

	CBALX	AMBFX	Difference
Max Drawdown Largest peak-to-trough decline	-34.53%	-35.05%	+0.52%
Max Drawdown (1Y) Largest decline over 1 year	-6.63%	-7.00%	+0.37%
Max Drawdown (3Y) Largest decline over 3 years	-12.06%	-10.64%	-1.42%
Max Drawdown (5Y) Largest decline over 5 years	-20.91%	-18.65%	-2.26%
Max Drawdown (10Y) Largest decline over 10 years	-22.73%	-22.31%	-0.42%
Current Drawdown Current decline from peak	-0.74%	-0.19%	-0.55%
Average Drawdown Average peak-to-trough decline	-5.31%	-3.58%	-1.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.58%	1.57%	+0.01%

Volatility

CBALX vs. AMBFX - Volatility Comparison

Columbia Balanced Fund (CBALX) has a higher volatility of 3.74% compared to American Funds American Balanced Fund® Class F-2 (AMBFX) at 3.43%. This indicates that CBALX'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

	CBALX	AMBFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.74%	3.43%	+0.31%
Volatility (6M) Calculated over the trailing 6-month period	7.12%	7.35%	-0.23%
Volatility (1Y) Calculated over the trailing 1-year period	8.77%	9.20%	-0.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.17%	10.57%	+0.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.39%	10.71%	+0.68%

CBALX vs. AMBFX - Expense Ratio Comparison

CBALX has a 0.67% expense ratio, which is higher than AMBFX's 0.35% expense ratio.

Dividends

CBALX vs. AMBFX - Dividend Comparison

CBALX's dividend yield for the trailing twelve months is around 6.19%, less than AMBFX's 7.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMBFX American Funds American Balanced Fund® Class F-2	7.29%	8.47%	7.40%	2.20%	2.52%	4.50%	4.56%	4.19%	6.20%	4.85%	4.46%	5.81%
CBALX Columbia Balanced Fund	6.19%	6.42%	7.83%	1.84%	5.36%	9.26%	5.31%	4.16%	5.82%	2.79%	1.60%	4.05%

Frequently Asked Questions

Can I hold both CBALX and AMBFX in my portfolio?

With a correlation of 0.91, CBALX 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, CBALX or AMBFX?

CBALX has higher volatility (3.74%) compared to AMBFX (3.43%). In terms of maximum drawdown, CBALX dropped -34.53% vs AMBFX's -35.05%.

Which has better risk-adjusted returns?

AMBFX currently has the higher Sharpe Ratio (2.61 vs 1.99), 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.