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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in AMG GW&K Municipal Bond 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 Municipal Bond Fund (GWMIX) has returned -1.16% so far this year and 4.69% over the past 12 months. Over the last ten years, GWMIX has returned 2.21% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
AMG GW&K Municipal Bond Fund
- 1D
- 0.18%
- 1M
- -3.72%
- YTD
- -1.16%
- 6M
- 0.97%
- 1Y
- 4.69%
- 3Y*
- 2.47%
- 5Y*
- 1.48%
- 10Y*
- 2.21%
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 Jan 4, 2010, GWMIX's average daily return is +0.01%, while the average monthly return is +0.29%. At this rate, your investment would double in approximately 19.9 years.
Historically, 61% of months were positive and 39% were negative. The best month was Nov 2023 with a return of +6.0%, while the worst month was Nov 2016 at -4.3%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.
On a daily basis, GWMIX closed higher 40% of trading days. The best single day was Mar 25, 2020 with a return of +3.8%, while the worst single day was Mar 19, 2020 at -2.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.29% | 1.34% | -3.72% | -1.16% | |||||||||
| 2025 | 0.68% | 1.19% | -2.21% | -0.47% | 0.07% | 0.88% | -0.19% | 0.98% | 2.39% | 1.48% | 0.33% | 0.34% | 5.52% |
| 2024 | -0.40% | -0.01% | -0.21% | -1.36% | -0.94% | 1.65% | 0.93% | 0.84% | 1.01% | -1.77% | 1.73% | -1.34% | 0.04% |
| 2023 | 3.12% | -2.54% | 2.32% | -0.19% | -1.32% | 0.80% | 0.36% | -1.22% | -2.86% | -0.90% | 6.00% | 2.67% | 6.04% |
| 2022 | -3.06% | -0.57% | -3.26% | -2.93% | 1.77% | -1.37% | 3.21% | -2.30% | -3.70% | -0.39% | 4.85% | 0.43% | -7.45% |
| 2021 | 0.44% | -1.73% | 0.44% | 0.84% | 0.20% | 0.19% | 0.84% | -0.37% | -0.94% | -0.38% | 0.76% | 3.93% | 4.19% |
Benchmark Metrics
AMG GW&K Municipal Bond Fund has an annualized alpha of 3.44%, beta of 0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since January 05, 2010.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (13.17%) than losses (5.06%) — 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
- 3.44%
- Beta
- 0.00
- R²
- 0.00
- Upside Capture
- 13.17%
- Downside Capture
- 5.06%
Expense Ratio
GWMIX has an expense ratio of 0.39%, placing it in the medium range.
Return for Risk
Risk / Return Rank
GWMIX ranks 54 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for AMG GW&K Municipal Bond Fund (GWMIX) and compare them to a chosen benchmark (S&P 500 Index).
| GWMIX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.13 | 0.90 | +0.23 |
Sortino ratioReturn per unit of downside risk | 1.46 | 1.39 | +0.07 |
Omega ratioGain probability vs. loss probability | 1.31 | 1.21 | +0.10 |
Calmar ratioReturn relative to maximum drawdown | 1.12 | 1.40 | -0.28 |
Martin ratioReturn relative to average drawdown | 3.85 | 6.61 | -2.76 |
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 GWMIX 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 Municipal Bond Fund provided a 2.72% 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 | $0.29 | $0.24 | $0.21 | $0.71 | $0.23 | $0.27 | $0.22 | $0.19 | $0.38 | $0.35 |
Dividend yield | 2.72% | 2.86% | 2.60% | 2.11% | 1.89% | 5.75% | 1.82% | 2.19% | 1.88% | 1.64% | 3.38% | 3.01% |
Monthly Dividends
The table displays the monthly dividend distributions for AMG GW&K Municipal Bond 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 | $0.02 | $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 | $0.02 | $0.02 | $0.02 | $0.02 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.29 |
| 2023 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.24 |
| 2022 | $0.01 | $0.01 | $0.01 | $0.01 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.04 | $0.21 |
| 2021 | $0.02 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.56 | $0.71 |
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 Municipal Bond 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 Municipal Bond Fund was 12.27%, occurring on Oct 25, 2022. Recovery took 587 trading sessions.
The current AMG GW&K Municipal Bond Fund drawdown is 3.72%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -12.27% | Jan 4, 2022 | 204 | Oct 25, 2022 | 587 | Feb 28, 2025 | 791 |
| -11.14% | Mar 10, 2020 | 9 | Mar 20, 2020 | 92 | Jul 31, 2020 | 101 |
| -6.42% | May 6, 2013 | 86 | Sep 5, 2013 | 151 | Apr 11, 2014 | 237 |
| -6.17% | Jul 7, 2016 | 104 | Dec 1, 2016 | 160 | Jul 24, 2017 | 264 |
| -5.76% | Sep 1, 2010 | 96 | Jan 18, 2011 | 81 | May 13, 2011 | 177 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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