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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in AMG GW&K Core Bond ESG Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
AMG GW&K Core Bond ESG Fund (MBDFX) has returned -0.93% so far this year and 3.46% over the past 12 months. Over the last ten years, MBDFX has returned 1.31% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
AMG GW&K Core Bond ESG Fund
- 1D
- 0.56%
- 1M
- -2.70%
- YTD
- -0.93%
- 6M
- 0.00%
- 1Y
- 3.46%
- 3Y*
- 3.27%
- 5Y*
- -0.45%
- 10Y*
- 1.31%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Apr 30, 1993, MBDFX's average daily return is +0.01%, while the average monthly return is +0.19%. At this rate, your investment would double in approximately 30.4 years.
Historically, 58% of months were positive and 42% were negative. The best month was Nov 2023 with a return of +5.0%, while the worst month was Sep 2022 at -4.7%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 9 months.
On a daily basis, MBDFX closed higher 44% of trading days. The best single day was Nov 10, 2022 with a return of +2.1%, while the worst single day was Dec 17, 2004 at -3.1%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.31% | 1.50% | -2.70% | -0.93% | |||||||||
| 2025 | 0.54% | 2.33% | -0.14% | 0.09% | -0.46% | 1.66% | -0.13% | 1.09% | 1.18% | 0.66% | 0.62% | -0.33% | 7.29% |
| 2024 | -0.06% | -1.51% | 0.86% | -2.40% | 1.69% | 0.85% | 2.45% | 1.29% | 1.50% | -2.64% | 1.19% | -1.81% | 1.24% |
| 2023 | 3.85% | -2.74% | 2.28% | 0.67% | -1.19% | -0.21% | -0.21% | -0.64% | -2.82% | -1.83% | 4.97% | 3.85% | 5.73% |
| 2022 | -2.15% | -1.16% | -2.64% | -4.15% | 0.38% | -1.75% | 2.57% | -2.88% | -4.72% | -1.39% | 4.20% | -0.76% | -13.85% |
| 2021 | -0.49% | -1.60% | -1.07% | 0.85% | 0.10% | 0.96% | 0.85% | -0.25% | -0.72% | -0.08% | -0.07% | -1.82% | -3.34% |
Benchmark Metrics
AMG GW&K Core Bond ESG Fund has an annualized alpha of 2.37%, beta of -0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since May 03, 1993.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (10.38%) than losses (6.12%) — typical of diversified or defensive assets.
- Beta of -0.00 may look defensive, but with R² of 0.00 this fund is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
- R² of 0.00 means this fund moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 2.37%
- Beta
- -0.00
- R²
- 0.00
- Upside Capture
- 10.38%
- Downside Capture
- 6.12%
Expense Ratio
MBDFX has an expense ratio of 0.56%, placing it in the medium range.
Return for Risk
Risk / Return Rank
MBDFX ranks 39 for risk / return — below 39% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for AMG GW&K Core Bond ESG Fund (MBDFX) and compare them to a chosen benchmark (S&P 500 Index).
| MBDFX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.85 | 0.90 | -0.05 |
Sortino ratioReturn per unit of downside risk | 1.19 | 1.39 | -0.19 |
Omega ratioGain probability vs. loss probability | 1.15 | 1.21 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 1.31 | 1.40 | -0.09 |
Martin ratioReturn relative to average drawdown | 4.39 | 6.61 | -2.22 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore MBDFX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
AMG GW&K Core Bond ESG Fund provided a 3.43% dividend yield over the last twelve months, with an annual payout of $0.31 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.31 | $0.33 | $0.31 | $0.26 | $0.19 | $0.24 | $0.20 | $0.25 | $0.23 | $0.21 | $0.21 | $0.41 |
Dividend yield | 3.43% | 3.66% | 3.50% | 2.92% | 2.16% | 2.35% | 1.84% | 2.40% | 2.30% | 2.10% | 2.06% | 4.17% |
Monthly Dividends
The table displays the monthly dividend distributions for AMG GW&K Core Bond ESG Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.03 | $0.03 | $0.00 | $0.06 | |||||||||
| 2025 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.33 |
| 2024 | $0.02 | $0.02 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.31 |
| 2023 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.03 | $0.26 |
| 2022 | $0.01 | $0.01 | $0.01 | $0.01 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.19 |
| 2021 | $0.02 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.11 | $0.24 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the AMG GW&K Core Bond ESG Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the AMG GW&K Core Bond ESG Fund was 20.66%, occurring on Oct 24, 2022. The portfolio has not yet recovered.
The current AMG GW&K Core Bond ESG Fund drawdown is 5.35%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -20.66% | Jan 5, 2021 | 455 | Oct 24, 2022 | — | — | — |
| -12.21% | Sep 8, 1993 | 339 | Jan 10, 1995 | 927 | Sep 10, 1998 | 1266 |
| -12.17% | Oct 6, 1998 | 324 | Jan 18, 2000 | 827 | May 6, 2003 | 1151 |
| -8.51% | Mar 10, 2020 | 8 | Mar 19, 2020 | 74 | Jul 6, 2020 | 82 |
| -8.3% | Feb 6, 2008 | 203 | Nov 21, 2008 | 97 | Apr 15, 2009 | 300 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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