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AGG vs VGLT: Performance & Backtest Comparison
VGLT delivered the higher return - 2.66% CAGR vs 2.54% - over 2010-02-28 → 2026-06-30.
Growth comparison
Drawdown
Annual returns
| AGG | VGLT | |
|---|---|---|
| Name | iShares Core U.S. Aggregate Bond ETF | Vanguard Long-Term Treasury ETF |
| CAGR | 2.54% | 2.66% |
| Total return | 51.02% | 53.85% |
| Volatility | 4.40% | 12.37% |
| Max drawdown | -17.14%Oct 2022 | -45.33%Oct 2023 |
| Sharpe | 0.27 | 0.16 |
| Sortino | 0.35 | 0.28 |
| Best year | 8.46% | 29.16% |
| Worst year | -13.02% | -29.35% |
| Final balance | $15,102 | $15,385 |
Correlation of monthly returns: 0.86. Wondering if you need both? Check their fund overlap →
All figures are total returns: every dividend and distribution is reinvested on its ex-date, and prices are split-adjusted. See the methodology.
Frequently asked questions
Which has performed better, AGG or VGLT?
Over 2010-02-28 to 2026-06-30, VGLT performed better: 2.66% annualized versus 2.54% for AGG, with dividends reinvested. Past performance does not guarantee future results.
How similar are AGG and VGLT?
Their monthly returns have a correlation of 0.86 over the common period. AGG is iShares Core U.S. Aggregate Bond ETF; VGLT is Vanguard Long-Term Treasury ETF.
Which is riskier, AGG or VGLT?
Over the common period AGG had 4.40% annualized volatility and a -17.14% max drawdown, versus 12.37% and -45.33% for VGLT.