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MFS Pennsylvania Municipal Bond Fund Class A MFPAX
Historical return decomposition and an investable replication portfolio, using data through 2026-10-09.
Fund and replication metrics
| Measure | MFPAX | Replication |
|---|---|---|
| Annualized growth | -0.5% | -0.3% |
| Annualized volatility | 5.7% | 5.0% |
| Sharpe ratio | -0.06 | -0.03 |
| Maximum drawdown | 14.9% | 12.3% |
| Replication fit (R²) | 0.96 · Tracking error 1.1% | |
Replication portfolio
The published portfolio below is the investable basket used to model MFPAX’s historical return behavior.
| Ticker | Building block | Weight |
|---|---|---|
| MUB | FI · Municipal | 96.1% |
| SPTL | FI · Long Gov | 3.9% |