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| Open Price | |
| High Price | |
| Low Price | |
| Close Price | |
| Change | |
| Percent Change | |
| Volume |
| Avg Daily Volume | 31,953 |
| 52 Week High | $3.67 |
| 52 Week Low | $3.00 |
| Target Price | N/A |
| Ticker | CMU:UN |
| Composite Ticker | CMU:US |
| Security Name | MFS High Yield Municipal Trust |
| Type | Ordinary Shares |
| Class | CMU |
| Currency | USD |
| Round Lot Size | 100 |
| Primary | Yes |
| Delisted | No |
| ETF | No |
| Market Category | Mutual Fund |
| Market Sector | N/A |
| Exchange Symbol | ^USCOMP |
| Exchange Name | US COMPOSITE |
| Exchange City | N/A |
| Exchange Country | UNITED STATES OF AMERICA |
| Exchange Website | N/A |
| FIGI | BBG000BFX480 |
| Composite FIGI | BBG000BFX2H4 |
| Share Class FIGI | BBG001S5PYQ5 |
| FIGI Unique ID | EQ0010805200060000 |
| Dividend | $0.02 |
| Dividend Rate | $0.20 |
| Trailing Dividend Yield | 5.46% |
| 5-year Average Dividend Yield | 4.84% |
| Dividend Ex Date | 2026-03-17 |
| Beta | 0.1859 |
| 1-year beta | -0.1284 |
| 3-year beta | 0.1859 |
| 5-year beta | 0.3533 |
| 7-year beta | 0.4632 |
| 10-year beta | 0.4055 |
MFS High Yield Municipal Trust is a close ended fixed income mutual fund launched and managed by Massachusetts Financial Services Company. The fund invests in fixed income markets of the United States. It primarily invests in tax-exempt bonds and tax-exempt notes. The fund benchmarks the performance of its portfolio against Barclays Municipal Bond Index. It was formerly known as Colonial Municipal Income Trust. MFS High Yield Municipal Trust was founded in March 19, 1987 and is domiciled in the United States.