GDO vs. JMABX
GDO (Western Asset Global Corporate Defined Opportunity Fund Inc) and JMABX (John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio) are both Corporate Bonds funds. Over the past 5 years, GDO returned -1.17%/yr vs 0.48%/yr for JMABX. Their 0.34 correlation means their historical movements had little consistent relationship. GDO charges 0.01%/yr vs 0.00%/yr for JMABX.
Performance
GDO vs. JMABX - Performance Comparison
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Returns By Period
In the year-to-date period, GDO achieves a -5.79% return, which is significantly lower than JMABX's -0.18% return.
GDO
- 1D
- 0.29%
- 1M
- -3.05%
- 6M
- -4.94%
- YTD
- -5.79%
- 1Y
- -0.15%
- 3Y*
- 5.90%
- 5Y*
- -1.17%
- 10Y*
- 3.67%
- ALL TIME*
- 4.67%
JMABX
- 1D
- -0.11%
- 1M
- -1.25%
- 6M
- -0.53%
- YTD
- -0.18%
- 1Y
- 2.86%
- 3Y*
- 5.61%
- 5Y*
- 0.48%
- 10Y*
- —
- ALL TIME*
- 2.01%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $426.35K | $402.60K | $326.75K | |
| $0.00 | $0.00 | $0.00 |
GDO vs. JMABX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
GDO Western Asset Global Corporate Defined Opportunity Fund Inc | -5.79% | 18.25% | -0.79% | 10.39% | -20.30% | 3.38% | 6.82% | 10.64% |
JMABX John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio | -0.18% | 8.88% | 4.42% | 8.05% | -15.50% | 0.33% | 7.74% | 2.72% |
Correlation
The correlation between GDO and JMABX is 0.36, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.36 |
Correlation (3Y) Balances recent behavior with more history. | 0.42 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.40 |
Correlation (All Time) Calculated using the full available price history since Jul 8, 2019 | 0.34 |
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Return for Risk
GDO vs. JMABX — Risk / Return Rank
GDO
JMABX
GDO vs. JMABX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Western Asset Global Corporate Defined Opportunity Fund Inc (GDO) and John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio (JMABX). 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.
| GDO | JMABX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.02 | ||
| Sortino ratioReturn per unit of downside risk | -1.48 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.18 | -0.18 |
| Calmar ratioReturn relative to maximum drawdown | -0.02 | 1.20 | -1.22 |
| Martin ratioReturn relative to average drawdown | -0.04 | 3.86 | -3.91 |
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Drawdowns
GDO vs. JMABX - Drawdown Comparison
The maximum GDO drawdown since its inception was -34.61%, which is greater than JMABX's maximum drawdown of -21.48%. Use the drawdown chart below to compare losses from any high point for GDO and JMABX.
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Drawdown Indicators
| GDO | JMABX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.61% | -21.48% | -13.13% |
Max Drawdown (1Y)Largest decline over 1 year | -8.28% | -2.89% | -5.39% |
Max Drawdown (3Y)Largest decline over 3 years | -13.18% | -5.27% | -7.91% |
Max Drawdown (5Y)Largest decline over 5 years | -34.61% | -21.43% | -13.18% |
Max Drawdown (10Y)Largest decline over 10 years | -34.61% | — | — |
Current DrawdownCurrent decline from peak | -6.36% | -1.64% | -4.72% |
Average DrawdownAverage peak-to-trough decline | -6.65% | -6.06% | -0.59% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.41% | 0.89% | +2.52% |
Volatility
GDO vs. JMABX - Volatility Comparison
Western Asset Global Corporate Defined Opportunity Fund Inc (GDO) has a higher volatility of 1.90% compared to John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio (JMABX) at 0.84%. This indicates that GDO's price experiences larger fluctuations and is considered to be riskier than JMABX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GDO | JMABX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.90% | 0.84% | +1.06% |
Volatility (6M)Calculated over the trailing 6-month period | 6.05% | 2.69% | +3.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.25% | 3.50% | +4.75% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.24% | 5.51% | +6.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.28% | 5.83% | +7.45% |
GDO vs. JMABX - Expense Ratio Comparison
GDO has a 0.02% expense ratio, which is higher than JMABX's 0.00% 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
GDO vs. JMABX - Dividend Comparison
GDO's dividend yield for the trailing twelve months is around 14.23%, more than JMABX's 5.21% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GDO Western Asset Global Corporate Defined Opportunity Fund Inc | 14.23% | 12.40% | 12.04% | 9.52% | 9.49% | 6.93% | 6.70% | 6.65% | 8.41% | 7.57% | 7.96% | 8.62% |
JMABX John Hancock Managed Account Shares Investment-Grade Corporate Bond Portfolio | 5.21% | 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
GDO and JMABX have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GDO has higher volatility (1.90%) compared to JMABX (0.84%). In terms of maximum drawdown, GDO dropped -34.61% vs JMABX's -21.48%.
JMABX currently has the higher Sharpe Ratio (1.00 vs -0.02), 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.
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