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AGG vs TLT: Performance & Backtest Comparison
AGG delivered the higher return - 3.31% CAGR vs 3.11% - over 2005-03-31 → 2026-06-30.
Growth comparison
Drawdown
Annual returns
| AGG | TLT | |
|---|---|---|
| Name | iShares Core U.S. Aggregate Bond ETF | iShares 20+ Year Treasury Bond ETF |
| CAGR | 3.31% | 3.11% |
| Total return | 100.19% | 92.28% |
| Volatility | 4.49% | 13.64% |
| Max drawdown | -17.14%Oct 2022 | -47.61%Oct 2023 |
| Sharpe | 0.37 | 0.17 |
| Sortino | 0.53 | 0.29 |
| Best year | 8.80% | 33.96% |
| Worst year | -13.02% | -31.24% |
| Final balance | $20,019 | $19,228 |
Correlation of monthly returns: 0.83. 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 TLT?
Over 2005-03-31 to 2026-06-30, AGG performed better: 3.31% annualized versus 3.11% for TLT, with dividends reinvested. Past performance does not guarantee future results.
How similar are AGG and TLT?
Their monthly returns have a correlation of 0.83 over the common period. AGG is iShares Core U.S. Aggregate Bond ETF; TLT is iShares 20+ Year Treasury Bond ETF.
Which is riskier, AGG or TLT?
Over the common period AGG had 4.49% annualized volatility and a -17.14% max drawdown, versus 13.64% and -47.61% for TLT.