See what your fund actually adds
MFS Corporate Bond Fund Class A MFBFX
Historical return decomposition and an investable replication portfolio, using data through 2026-10-09.
Fund and replication metrics
| Measure | MFBFX | Replication |
|---|---|---|
| Annualized growth | -0.5% | 0.0% |
| Annualized volatility | 6.6% | 6.7% |
| Sharpe ratio | -0.04 | 0.04 |
| Maximum drawdown | 22.2% | 21.0% |
| Replication fit (R²) | 0.99 · Tracking error 0.6% | |
Replication portfolio
The published portfolio below is the investable basket used to model MFBFX’s historical return behavior.
| Ticker | Building block | Weight |
|---|---|---|
| VCLT | FI · Long Corp | 32.4% |
| VCSH | FI · Short Corp | 25.4% |
| VCIT | FI · IG Credit | 21.3% |
| SPHY | FI · High Yield | 14.1% |
| AGG | FI · Aggregate | 6.7% |