IBTH vs. TLT
IBTH (iShares iBonds Dec 2027 Term Treasury ETF) and TLT (iShares 20+ Year Treasury Bond ETF) are both Government Bonds funds from iShares - IBTH tracks the ICE 2027 Maturity US Treasury Index while TLT tracks the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 5 years, IBTH returned 0.55%/yr vs -5.98%/yr for TLT. A 0.73 correlation means they provide meaningful diversification when combined. IBTH charges 0.07%/yr vs 0.15%/yr for TLT.
Performance
IBTH vs. TLT - Performance Comparison
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Returns By Period
In the year-to-date period, IBTH achieves a 0.94% return, which is significantly higher than TLT's 0.13% return.
IBTH
- 1D
- -0.02%
- 1M
- 0.18%
- YTD
- 0.94%
- 6M
- 1.33%
- 1Y
- 3.81%
- 3Y*
- 3.93%
- 5Y*
- 0.55%
- 10Y*
- —
TLT
- 1D
- 0.21%
- 1M
- 0.44%
- YTD
- 0.13%
- 6M
- -1.35%
- 1Y
- 5.16%
- 3Y*
- -1.67%
- 5Y*
- -5.98%
- 10Y*
- -1.62%
IBTH vs. TLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
IBTH iShares iBonds Dec 2027 Term Treasury ETF | 0.94% | 5.29% | 3.22% | 4.38% | -9.75% | -3.43% | 4.20% |
TLT iShares 20+ Year Treasury Bond ETF | 0.13% | 4.25% | -8.05% | 2.77% | -31.23% | -4.60% | 2.90% |
Correlation
The correlation between IBTH and TLT is 0.51, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.51 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.66 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.74 |
Correlation (All Time) Calculated using the full available price history since Mar 2, 2020 | 0.73 |
Over the past year, the correlation between IBTH and TLT has dropped to 0.51 - well below their long-term average of 0.73, suggesting their price drivers have been diverging.
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Return for Risk
IBTH vs. TLT — Risk / Return Rank
IBTH
TLT
IBTH vs. TLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2027 Term Treasury ETF (IBTH) and iShares 20+ Year Treasury Bond ETF (TLT). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| IBTH | TLT | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.44 | 0.53 | +2.91 |
Sortino ratioReturn per unit of downside risk | 6.25 | 0.83 | +5.42 |
Omega ratioGain probability vs. loss probability | 1.88 | 1.09 | +0.78 |
Calmar ratioReturn relative to maximum drawdown | 9.82 | 0.55 | +9.27 |
Martin ratioReturn relative to average drawdown | 38.04 | 1.38 | +36.65 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IBTH | TLT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.44 | 0.53 | +2.91 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.13 | -0.38 | +0.51 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.11 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.15 | 0.26 | -0.11 |
Drawdowns
IBTH vs. TLT - Drawdown Comparison
The maximum IBTH drawdown since its inception was -16.16%, smaller than the maximum TLT drawdown of -48.35%. Use the drawdown chart below to compare losses from any high point for IBTH and TLT.
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Drawdown Indicators
| IBTH | TLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.16% | -48.35% | +32.19% |
Max Drawdown (1Y)Largest decline over 1 year | -0.38% | -7.58% | +7.20% |
Max Drawdown (3Y)Largest decline over 3 years | -2.10% | -19.18% | +17.08% |
Max Drawdown (5Y)Largest decline over 5 years | -14.41% | -43.70% | +29.29% |
Max Drawdown (10Y)Largest decline over 10 years | — | -48.35% | — |
Current DrawdownCurrent decline from peak | -1.34% | -40.20% | +38.86% |
Average DrawdownAverage peak-to-trough decline | -6.72% | -13.81% | +7.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.10% | 3.02% | -2.92% |
Volatility
IBTH vs. TLT - Volatility Comparison
The current volatility for iShares iBonds Dec 2027 Term Treasury ETF (IBTH) is 0.19%, while iShares 20+ Year Treasury Bond ETF (TLT) has a volatility of 2.84%. This indicates that IBTH experiences smaller price fluctuations and is considered to be less risky than TLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTH | TLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.19% | 2.84% | -2.65% |
Volatility (6M)Calculated over the trailing 6-month period | 0.54% | 6.60% | -6.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.12% | 9.81% | -8.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.20% | 15.87% | -11.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.21% | 14.91% | -10.70% |
IBTH vs. TLT - Expense Ratio Comparison
IBTH has a 0.07% expense ratio, which is lower than TLT's 0.15% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IBTH vs. TLT - Dividend Comparison
IBTH's dividend yield for the trailing twelve months is around 3.83%, less than TLT's 4.57% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBTH iShares iBonds Dec 2027 Term Treasury ETF | 3.83% | 3.92% | 4.04% | 3.61% | 2.00% | 0.77% | 0.50% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TLT iShares 20+ Year Treasury Bond ETF | 4.57% | 4.43% | 4.30% | 3.38% | 2.67% | 1.50% | 1.50% | 2.27% | 2.63% | 2.43% | 2.60% | 2.61% |
Frequently Asked Questions
IBTH and TLT have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TLT has higher volatility (2.84%) compared to IBTH (0.19%). In terms of maximum drawdown, IBTH dropped -16.16% vs TLT's -48.35%.
On 5-year performance, IBTH leads with 0.55% vs -5.98% for TLT. On fees, IBTH is cheaper at 0.07% per year. On volatility, IBTH has been the lower-risk option at 0.19%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IBTH has performed better with a 0.55% return vs -5.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTH is cheaper with a 0.07% expense ratio, compared with 0.15% for TLT.
TLT has the higher dividend yield at 4.57%, compared with 3.83% for IBTH.
IBTH tracks ICE 2027 Maturity US Treasury Index, while TLT tracks ICE U.S. Treasury 20+ Year Bond Index. Their fees differ too: 0.07% for IBTH and 0.15% for TLT.
IBTH currently has the higher Sharpe Ratio (3.44 vs 0.53), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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