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TLT vs VGLT: Performance & Backtest Comparison
VGLT delivered the higher return - 2.66% CAGR vs 2.55% - over 2010-02-28 → 2026-06-30.
Growth comparison
Drawdown
Annual returns
| TLT | VGLT | |
|---|---|---|
| Name | iShares 20+ Year Treasury Bond ETF | Vanguard Long-Term Treasury ETF |
| CAGR | 2.55% | 2.66% |
| Total return | 51.21% | 53.85% |
| Volatility | 13.54% | 12.37% |
| Max drawdown | -47.61%Oct 2023 | -45.33%Oct 2023 |
| Sharpe | 0.15 | 0.16 |
| Sortino | 0.27 | 0.28 |
| Best year | 33.96% | 29.16% |
| Worst year | -31.24% | -29.35% |
| Final balance | $15,121 | $15,385 |
Correlation of monthly returns: 1.00. 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, TLT or VGLT?
Over 2010-02-28 to 2026-06-30, VGLT performed better: 2.66% annualized versus 2.55% for TLT, with dividends reinvested. Past performance does not guarantee future results.
How similar are TLT and VGLT?
Their monthly returns have a correlation of 1.00 over the common period. TLT is iShares 20+ Year Treasury Bond ETF; VGLT is Vanguard Long-Term Treasury ETF.
Which is riskier, TLT or VGLT?
Over the common period TLT had 13.54% annualized volatility and a -47.61% max drawdown, versus 12.37% and -45.33% for VGLT.