GBLAX vs. TIBAX
Compare and contrast key facts about American Funds Global Balanced Fund Class A (GBLAX) and Thornburg Investment Income Builder Fund (TIBAX).
GBLAX is an actively managed fund by American Funds. It was launched on Feb 1, 2011. TIBAX is managed by Thornburg. It was launched on Dec 23, 2002.
Performance
GBLAX vs. TIBAX - Performance Comparison
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GBLAX vs. TIBAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GBLAX American Funds Global Balanced Fund Class A | -0.20% | 17.12% | 6.56% | 13.68% | -14.25% | 9.18% | 10.47% | 17.26% | -6.13% | 13.99% |
TIBAX Thornburg Investment Income Builder Fund | 9.81% | 36.62% | 13.23% | 18.01% | -7.95% | 20.08% | -0.67% | 17.72% | -4.54% | 14.83% |
Returns By Period
In the year-to-date period, GBLAX achieves a -0.20% return, which is significantly lower than TIBAX's 9.81% return. Over the past 10 years, GBLAX has underperformed TIBAX with an annualized return of 6.62%, while TIBAX has yielded a comparatively higher 11.89% annualized return.
GBLAX
- 1D
- 1.83%
- 1M
- -4.53%
- YTD
- -0.20%
- 6M
- 2.19%
- 1Y
- 14.55%
- 3Y*
- 10.81%
- 5Y*
- 5.27%
- 10Y*
- 6.62%
TIBAX
- 1D
- 1.70%
- 1M
- -2.45%
- YTD
- 9.81%
- 6M
- 16.81%
- 1Y
- 37.83%
- 3Y*
- 23.93%
- 5Y*
- 15.19%
- 10Y*
- 11.89%
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GBLAX vs. TIBAX - Expense Ratio Comparison
GBLAX has a 0.80% expense ratio, which is lower than TIBAX's 1.14% expense ratio.
Return for Risk
GBLAX vs. TIBAX — Risk / Return Rank
GBLAX
TIBAX
GBLAX vs. TIBAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Global Balanced Fund Class A (GBLAX) and Thornburg Investment Income Builder Fund (TIBAX). 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.
| GBLAX | TIBAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.55 | 3.55 | -1.99 |
Sortino ratioReturn per unit of downside risk | 2.21 | 4.51 | -2.30 |
Omega ratioGain probability vs. loss probability | 1.31 | 1.79 | -0.47 |
Calmar ratioReturn relative to maximum drawdown | 2.22 | 4.40 | -2.18 |
Martin ratioReturn relative to average drawdown | 9.00 | 21.51 | -12.51 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GBLAX | TIBAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.55 | 3.55 | -1.99 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.54 | 1.38 | -0.84 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.64 | 0.89 | -0.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.62 | 0.77 | -0.15 |
Correlation
The correlation between GBLAX and TIBAX is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
GBLAX vs. TIBAX - Dividend Comparison
GBLAX's dividend yield for the trailing twelve months is around 6.38%, more than TIBAX's 5.21% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GBLAX American Funds Global Balanced Fund Class A | 6.38% | 6.34% | 5.53% | 1.61% | 1.52% | 6.02% | 1.24% | 1.87% | 2.30% | 3.15% | 2.00% | 3.28% |
TIBAX Thornburg Investment Income Builder Fund | 5.21% | 5.64% | 5.44% | 4.67% | 5.62% | 5.10% | 4.11% | 4.23% | 4.49% | 4.22% | 3.83% | 4.31% |
Drawdowns
GBLAX vs. TIBAX - Drawdown Comparison
The maximum GBLAX drawdown since its inception was -23.36%, smaller than the maximum TIBAX drawdown of -49.12%. Use the drawdown chart below to compare losses from any high point for GBLAX and TIBAX.
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Drawdown Indicators
| GBLAX | TIBAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.36% | -49.12% | +25.76% |
Max Drawdown (1Y)Largest decline over 1 year | -6.75% | -8.57% | +1.82% |
Max Drawdown (5Y)Largest decline over 5 years | -22.55% | -20.94% | -1.61% |
Max Drawdown (10Y)Largest decline over 10 years | -23.36% | -34.85% | +11.49% |
Current DrawdownCurrent decline from peak | -5.03% | -3.52% | -1.51% |
Average DrawdownAverage peak-to-trough decline | -3.72% | -6.03% | +2.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.66% | 1.75% | -0.09% |
Volatility
GBLAX vs. TIBAX - Volatility Comparison
American Funds Global Balanced Fund Class A (GBLAX) has a higher volatility of 4.16% compared to Thornburg Investment Income Builder Fund (TIBAX) at 3.65%. This indicates that GBLAX's price experiences larger fluctuations and is considered to be riskier than TIBAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GBLAX | TIBAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.16% | 3.65% | +0.51% |
Volatility (6M)Calculated over the trailing 6-month period | 6.34% | 6.54% | -0.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.60% | 10.79% | -1.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.86% | 11.07% | -1.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.42% | 13.44% | -3.02% |