IBDV vs. TLT
IBDV (iShares iBonds Dec 2030 Term Corporate ETF) and TLT (iShares 20+ Year Treasury Bond ETF) are both exchange-traded funds - IBDV is a Corporate Bonds fund tracking the Bloomberg December 2030 Maturity Corporate Index, while TLT is a Government Bonds fund tracking the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. Over the past 5 years, IBDV returned 0.95%/yr vs -6.31%/yr for TLT. A 0.79 correlation means they provide meaningful diversification when combined. IBDV charges 0.10%/yr vs 0.15%/yr for TLT.
Performance
IBDV vs. TLT - Performance Comparison
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Returns By Period
In the year-to-date period, IBDV achieves a 0.30% return, which is significantly higher than TLT's -0.27% return.
IBDV
- 1D
- -0.11%
- 1M
- 0.12%
- YTD
- 0.30%
- 6M
- 0.51%
- 1Y
- 4.91%
- 3Y*
- 5.56%
- 5Y*
- 0.95%
- 10Y*
- —
TLT
- 1D
- -0.40%
- 1M
- 0.81%
- YTD
- -0.27%
- 6M
- -2.02%
- 1Y
- 4.93%
- 3Y*
- -1.80%
- 5Y*
- -6.31%
- 10Y*
- -1.66%
IBDV vs. TLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
IBDV iShares iBonds Dec 2030 Term Corporate ETF | 0.30% | 8.19% | 3.42% | 8.51% | -14.67% | -2.64% | 5.33% |
TLT iShares 20+ Year Treasury Bond ETF | -0.27% | 4.25% | -8.05% | 2.77% | -31.23% | -4.60% | -2.79% |
Correlation
The correlation between IBDV and TLT is 0.74, 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 | 0.74 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.82 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.81 |
Correlation (All Time) Calculated using the full available price history since Jun 26, 2020 | 0.79 |
The correlation between IBDV and TLT has been stable across timeframes, ranging from 0.74 to 0.82 - a consistent structural relationship.
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Return for Risk
IBDV vs. TLT — Risk / Return Rank
IBDV
TLT
IBDV vs. TLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2030 Term Corporate ETF (IBDV) 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.
| IBDV | TLT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.19 | ||
| Sortino ratioReturn per unit of downside risk | +1.82 | ||
| Omega ratioGain probability vs. loss probability | 1.31 | 1.09 | +0.22 |
| Calmar ratioReturn relative to maximum drawdown | 2.38 | 0.65 | +1.73 |
| Martin ratioReturn relative to average drawdown | 8.25 | 1.63 | +6.63 |
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
| IBDV | TLT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.69 | 0.51 | +1.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.15 | -0.40 | +0.55 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.11 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.17 | 0.26 | -0.08 |
Drawdowns
IBDV vs. TLT - Drawdown Comparison
The maximum IBDV drawdown since its inception was -21.85%, smaller than the maximum TLT drawdown of -48.35%. Use the drawdown chart below to compare losses from any high point for IBDV and TLT.
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Drawdown Indicators
| IBDV | TLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.85% | -48.35% | +26.50% |
Max Drawdown (1Y)Largest decline over 1 year | -2.07% | -7.58% | +5.51% |
Max Drawdown (3Y)Largest decline over 3 years | -5.64% | -19.18% | +13.54% |
Max Drawdown (5Y)Largest decline over 5 years | -21.54% | -43.70% | +22.16% |
Max Drawdown (10Y)Largest decline over 10 years | — | -48.35% | — |
Current DrawdownCurrent decline from peak | -0.93% | -40.44% | +39.51% |
Average DrawdownAverage peak-to-trough decline | -7.22% | -13.82% | +6.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.60% | 3.04% | -2.44% |
Volatility
IBDV vs. TLT - Volatility Comparison
The current volatility for iShares iBonds Dec 2030 Term Corporate ETF (IBDV) is 0.83%, while iShares 20+ Year Treasury Bond ETF (TLT) has a volatility of 2.76%. This indicates that IBDV 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
| IBDV | TLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.83% | 2.76% | -1.93% |
Volatility (6M)Calculated over the trailing 6-month period | 1.98% | 6.50% | -4.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.91% | 9.77% | -6.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.44% | 15.87% | -9.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.27% | 14.91% | -8.64% |
IBDV vs. TLT - Expense Ratio Comparison
IBDV has a 0.10% 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
IBDV vs. TLT - Dividend Comparison
IBDV's dividend yield for the trailing twelve months is around 4.60%, which matches TLT's 4.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBDV iShares iBonds Dec 2030 Term Corporate ETF | 4.60% | 4.57% | 4.69% | 4.09% | 3.02% | 1.99% | 0.90% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TLT iShares 20+ Year Treasury Bond ETF | 4.59% | 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
IBDV and TLT have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
TLT has higher volatility (2.76%) compared to IBDV (0.83%). In terms of maximum drawdown, IBDV dropped -21.85% vs TLT's -48.35%.
On 5-year performance, IBDV leads with 0.95% vs -6.31% for TLT. On fees, IBDV is cheaper at 0.10% per year. On volatility, IBDV has been the lower-risk option at 0.83%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IBDV has performed better with a 0.95% return vs -6.31%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBDV is cheaper with a 0.10% expense ratio, compared with 0.15% for TLT.
IBDV and TLT have nearly identical dividend yields, around 4.60%.
IBDV is categorized as Corporate Bonds, while TLT is Government Bonds. IBDV tracks Bloomberg December 2030 Maturity Corporate Index, while TLT tracks ICE U.S. Treasury 20+ Year Bond Index. Their fees differ too: 0.10% for IBDV and 0.15% for TLT.
IBDV currently has the higher Sharpe Ratio (1.69 vs 0.51), 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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