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BIL vs TLT: Performance & Backtest Comparison
TLT delivered the higher return - 3.15% CAGR vs 1.36% - over 2007-06-30 → 2026-06-30.
Growth comparison
Drawdown
Annual returns
| BIL | TLT | |
|---|---|---|
| Name | State Street SPDR Bloomberg 1-3 Month T-Bill ETF | iShares 20+ Year Treasury Bond ETF |
| CAGR | 1.36% | 3.15% |
| Total return | 29.44% | 80.88% |
| Volatility | 0.56% | 14.12% |
| Max drawdown | -0.42%Oct 2015 | -47.61%Oct 2023 |
| Sharpe | -0.39 | 0.19 |
| Sortino | -0.60 | 0.33 |
| Best year | 5.19% | 33.96% |
| Worst year | -0.13% | -31.24% |
| Final balance | $12,944 | $18,088 |
Correlation of monthly returns: 0.00. 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, BIL or TLT?
Over 2007-06-30 to 2026-06-30, TLT performed better: 3.15% annualized versus 1.36% for BIL, with dividends reinvested. Past performance does not guarantee future results.
How similar are BIL and TLT?
Their monthly returns have a correlation of 0.00 over the common period. BIL is State Street SPDR Bloomberg 1-3 Month T-Bill ETF; TLT is iShares 20+ Year Treasury Bond ETF.
Which is riskier, BIL or TLT?
Over the common period BIL had 0.56% annualized volatility and a -0.42% max drawdown, versus 14.12% and -47.61% for TLT.