See what your fund actually adds
Vanguard Long-Term Bond Index Fund Admiral Shares VBLAX
Historical return decomposition and an investable replication portfolio, using data through 2026-10-09.
Fund and replication metrics
| Measure | VBLAX | Replication |
|---|---|---|
| Annualized growth | -5.4% | -5.5% |
| Annualized volatility | 12.3% | 12.5% |
| Sharpe ratio | -0.39 | -0.39 |
| Maximum drawdown | 35.9% | 36.5% |
| Replication fit (R²) | 1.00 · Tracking error 0.5% | |
Replication portfolio
The published portfolio below is the investable basket used to model VBLAX’s historical return behavior.
| Ticker | Building block | Weight |
|---|---|---|
| VCLT | FI · Long Corp | 50.6% |
| SPTL | FI · Long Gov | 49.4% |