MACPX vs. AMBFX

Last updated Aug 1, 2026

MACPX (BlackRock Sustainable Balanced Fund) and AMBFX (American Funds American Balanced Fund® Class F-2) are both Diversified Portfolio funds. Over the past 10 years, MACPX returned 10.21%/yr vs 10.07%/yr for AMBFX. Their correlation of 0.94 means they have usually moved in the same direction. MACPX charges 0.50%/yr vs 0.35%/yr for AMBFX.

Performance

MACPX vs. AMBFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Sustainable Balanced Fund (MACPX) 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, MACPX achieves a 7.94% return, which is significantly lower than AMBFX's 8.35% return. Both investments have delivered pretty close results over the past 10 years, with MACPX having a 10.21% annualized return and AMBFX not far behind at 10.07%.

MACPX

• 1D: 1.67%
• 1M: 0.20%
• 6M: 5.26%
• YTD: 7.94%
• 1Y: 16.33%
• 3Y*: 13.51%
• 5Y*: 7.82%
• 10Y*: 10.21%
• ALL TIME*: 8.15%

AMBFX

• 1D: 1.08%
• 1M: -0.96%
• 6M: 5.56%
• YTD: 8.35%
• 1Y: 18.59%
• 3Y*: 15.60%
• 5Y*: 9.23%
• 10Y*: 10.07%
• ALL TIME*: 9.32%

*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)
AMBFX American Funds American Balanced Fund® Class F-2	$0.00	$0.00	$0.00
MACPX BlackRock Sustainable Balanced Fund	$0.00	$0.00	$0.00

MACPX vs. AMBFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MACPX BlackRock Sustainable Balanced Fund	7.94%	15.58%	12.77%	16.88%	-15.50%	16.76%	15.37%	21.86%	-3.18%	14.61%
AMBFX American Funds American Balanced Fund® Class F-2	8.35%	18.67%	15.25%	13.81%	-11.93%	16.00%	11.06%	19.45%	-2.69%	14.85%

Correlation

The correlation between MACPX and AMBFX is 0.92, 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.	0.92
Correlation (3Y) Balances recent behavior with more history.	0.91
Correlation (5Y) Shows whether the relationship held over a longer period.	0.93
Correlation (10Y) Provides a long-term view across more market conditions.	0.94
Correlation (All Time) Calculated using the full available price history since Aug 1, 2008	0.94

The correlation between MACPX and AMBFX has been stable across timeframes, ranging from 0.91 to 0.94 - a consistent structural relationship.

Return for Risk

MACPX vs. AMBFX — Risk / Return Rank

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

MACPX

MACPX Risk / Return Rank: 76
MACPX Sharpe Ratio Rank: 74
MACPX Sortino Ratio Rank: 72
MACPX Omega Ratio Rank: 72
MACPX Calmar Ratio Rank: 78
MACPX Martin Ratio Rank: 82

AMBFX

AMBFX Risk / Return Rank: 80
AMBFX Sharpe Ratio Rank: 80
AMBFX Sortino Ratio Rank: 78
AMBFX Omega Ratio Rank: 77
AMBFX Calmar Ratio Rank: 78
AMBFX Martin Ratio Rank: 86

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.

MACPX vs. AMBFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Sustainable Balanced Fund (MACPX) 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.

	MACPX	AMBFX	Difference
Sharpe ratio: Return per unit of total volatility	1.72	1.86	-0.14
Sortino ratio: Return per unit of downside risk	2.44	2.61	-0.18
Omega ratio: Gain probability vs. loss probability	1.31	1.34	-0.03
Calmar ratio: Return relative to maximum drawdown	2.53	2.50	+0.03
Martin ratio: Return relative to average drawdown	10.13	10.68	-0.55

MACPX vs. AMBFX - Sharpe Ratio Comparison

The current MACPX Sharpe Ratio is 1.72, which is comparable to the AMBFX Sharpe Ratio of 1.86. The chart below compares the historical Sharpe Ratios of MACPX 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

MACPX vs. AMBFX - Drawdown Comparison

The maximum MACPX drawdown since its inception was -41.75%, which is greater than AMBFX's maximum drawdown of -35.05%. Use the drawdown chart below to compare losses from any high point for MACPX and AMBFX.

Drawdown Indicators

	MACPX	AMBFX	Difference
Max Drawdown Largest peak-to-trough decline	-41.75%	-35.05%	-6.70%
Max Drawdown (1Y) Largest decline over 1 year	-6.18%	-7.00%	+0.82%
Max Drawdown (3Y) Largest decline over 3 years	-10.62%	-10.64%	+0.02%
Max Drawdown (5Y) Largest decline over 5 years	-21.84%	-18.65%	-3.19%
Max Drawdown (10Y) Largest decline over 10 years	-24.59%	-22.31%	-2.28%
Current Drawdown Current decline from peak	-1.11%	-1.68%	+0.57%
Average Drawdown Average peak-to-trough decline	-5.34%	-3.56%	-1.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.54%	1.63%	-0.09%

Volatility

MACPX vs. AMBFX - Volatility Comparison

BlackRock Sustainable Balanced Fund (MACPX) has a higher volatility of 2.85% compared to American Funds American Balanced Fund® Class F-2 (AMBFX) at 2.32%. This indicates that MACPX'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

	MACPX	AMBFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.85%	2.32%	+0.53%
Volatility (6M) Calculated over the trailing 6-month period	7.67%	7.38%	+0.29%
Volatility (1Y) Calculated over the trailing 1-year period	9.09%	9.41%	-0.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.22%	10.60%	+0.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.50%	10.70%	+0.80%

MACPX vs. AMBFX - Expense Ratio Comparison

MACPX has a 0.50% expense ratio, which is higher than AMBFX's 0.35% expense ratio.

Dividends

MACPX vs. AMBFX - Dividend Comparison

MACPX's dividend yield for the trailing twelve months is around 12.59%, more than AMBFX's 7.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMBFX American Funds American Balanced Fund® Class F-2	7.39%	8.47%	7.40%	2.20%	2.52%	4.50%	4.56%	4.19%	6.20%	4.85%	4.46%	5.81%
MACPX BlackRock Sustainable Balanced Fund	12.59%	8.79%	7.66%	3.00%	3.91%	12.46%	4.22%	5.49%	8.12%	19.65%	4.94%	5.32%

Frequently Asked Questions

Can I hold both MACPX and AMBFX in my portfolio?

With a correlation of 0.92, MACPX 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, MACPX or AMBFX?

MACPX has higher volatility (2.85%) compared to AMBFX (2.32%). In terms of maximum drawdown, MACPX dropped -41.75% vs AMBFX's -35.05%.

Which has better risk-adjusted returns?

AMBFX currently has the higher Sharpe Ratio (1.86 vs 1.72), 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.