JMABX vs. ACISX

Last updated Jun 3, 2026

JMABX (John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio) and ACISX (AB Corporate Income Shares) are both Corporate Bonds funds. Over the past 5 years, JMABX returned 1.29%/yr vs 0.72%/yr for ACISX. Their correlation of 0.94 suggests significant overlap in exposure. Both charge a 0.00% expense ratio.

Performance

JMABX vs. ACISX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio (JMABX) and AB Corporate Income Shares (ACISX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JMABX achieves a 0.84% return, which is significantly lower than ACISX's 0.98% return.

JMABX

• 1D: -0.11%
• 1M: 0.35%
• YTD: 0.84%
• 6M: 1.19%
• 1Y: 7.20%
• 3Y*: 6.34%
• 5Y*: 1.29%
• 10Y*: —

ACISX

• 1D: 0.00%
• 1M: 0.54%
• YTD: 0.98%
• 6M: 1.01%
• 1Y: 7.00%
• 3Y*: 5.97%
• 5Y*: 0.72%
• 10Y*: 3.04%

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

JMABX vs. ACISX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
JMABX John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio	0.84%	8.88%	4.42%	8.05%	-15.50%	0.33%	7.74%	2.72%
ACISX AB Corporate Income Shares	0.98%	8.44%	3.04%	7.65%	-16.27%	-1.23%	11.27%	5.51%

Correlation

The correlation between JMABX and ACISX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (All Time) Calculated using the full available price history since Jul 9, 2019	0.94

The correlation between JMABX and ACISX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.

Return for Risk

JMABX vs. ACISX — Risk / Return Rank

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

JMABX

JMABX Risk / Return Rank: 47
JMABX Sharpe Ratio Rank: 43
JMABX Sortino Ratio Rank: 53
JMABX Omega Ratio Rank: 46
JMABX Calmar Ratio Rank: 47
JMABX Martin Ratio Rank: 45

ACISX

ACISX Risk / Return Rank: 32
ACISX Sharpe Ratio Rank: 30
ACISX Sortino Ratio Rank: 32
ACISX Omega Ratio Rank: 30
ACISX Calmar Ratio Rank: 35
ACISX Martin Ratio Rank: 33

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.

JMABX vs. ACISX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio (JMABX) and AB Corporate Income Shares (ACISX). 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.

	JMABX	ACISX	Difference
Sharpe ratio Return per unit of total volatility	1.94	1.59	+0.35
Sortino ratio Return per unit of downside risk	3.07	2.37	+0.70
Omega ratio Gain probability vs. loss probability	1.37	1.29	+0.08
Calmar ratio Return relative to maximum drawdown	2.63	2.26	+0.36
Martin ratio Return relative to average drawdown	9.50	7.57	+1.94
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JMABX vs. ACISX - Sharpe Ratio Comparison

The current JMABX Sharpe Ratio is 1.94, which is comparable to the ACISX Sharpe Ratio of 1.59. The chart below compares the historical Sharpe Ratios of JMABX and ACISX, 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

	JMABX	ACISX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	1.59	+0.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.23	0.11	+0.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.51	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.58	-0.20

Drawdowns

JMABX vs. ACISX - Drawdown Comparison

The maximum JMABX drawdown since its inception was -21.48%, smaller than the maximum ACISX drawdown of -22.65%. Use the drawdown chart below to compare losses from any high point for JMABX and ACISX.

Drawdown Indicators

	JMABX	ACISX	Difference
Max Drawdown Largest peak-to-trough decline	-21.48%	-22.65%	+1.17%
Max Drawdown (1Y) Largest decline over 1 year	-2.89%	-3.26%	+0.37%
Max Drawdown (3Y) Largest decline over 3 years	-5.71%	-6.56%	+0.85%
Max Drawdown (5Y) Largest decline over 5 years	-21.48%	-22.65%	+1.17%
Max Drawdown (10Y) Largest decline over 10 years	—	-22.65%	—
Current Drawdown Current decline from peak	-0.63%	-0.81%	+0.18%
Average Drawdown Average peak-to-trough decline	-6.19%	-4.46%	-1.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.80%	0.98%	-0.18%

Volatility

JMABX vs. ACISX - Volatility Comparison

The current volatility for John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio (JMABX) is 1.21%, while AB Corporate Income Shares (ACISX) has a volatility of 1.50%. This indicates that JMABX experiences smaller price fluctuations and is considered to be less risky than ACISX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JMABX	ACISX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.21%	1.50%	-0.29%
Volatility (6M) Calculated over the trailing 6-month period	2.62%	3.17%	-0.55%
Volatility (1Y) Calculated over the trailing 1-year period	3.61%	4.30%	-0.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.54%	6.49%	-0.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.88%	6.01%	-0.13%

JMABX vs. ACISX - Expense Ratio Comparison

JMABX has a 0.00% expense ratio, which is lower than ACISX's 0.00% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

JMABX vs. ACISX - Dividend Comparison

JMABX's dividend yield for the trailing twelve months is around 5.62%, more than ACISX's 5.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACISX AB Corporate Income Shares	5.06%	5.10%	4.97%	3.66%	3.48%	3.44%	5.62%	4.77%	3.99%	3.28%	3.54%	3.63%
JMABX John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio	5.62%	5.59%	5.26%	3.59%	3.28%	3.99%	2.74%	0.80%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both JMABX and ACISX in my portfolio?

With a correlation of 0.93, JMABX and ACISX 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, JMABX or ACISX?

ACISX has higher volatility (1.50%) compared to JMABX (1.21%). In terms of maximum drawdown, JMABX dropped -21.48% vs ACISX's -22.65%.

Which has better risk-adjusted returns?

JMABX currently has the higher Sharpe Ratio (1.94 vs 1.59), 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.