IBDO vs. TLT

Last updated Jun 4, 2026

IBDO (iShares iBonds Dec 2023 Term Corporate ETF) and TLT (iShares 20+ Year Treasury Bond ETF) are both exchange-traded funds - IBDO is a Corporate Bonds fund tracking the Bloomberg December 2023 Maturity Corporate Index, while TLT is a Government Bonds fund tracking the ICE U.S. Treasury 20+ Year Bond Index. Both are passively managed. At a 0.33 correlation, their price movements are largely independent. IBDO charges 0.10%/yr vs 0.15%/yr for TLT.

Performance

IBDO vs. TLT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2023 Term Corporate ETF (IBDO) and iShares 20+ Year Treasury Bond ETF (TLT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

IBDO

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 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%

*Multi-year figures are annualized to reflect compound growth (CAGR)

IBDO vs. TLT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IBDO iShares iBonds Dec 2023 Term Corporate ETF	0.00%	0.00%	0.00%	4.93%	-0.68%	-0.29%	5.37%	8.94%	-0.49%	4.45%
TLT iShares 20+ Year Treasury Bond ETF	-0.27%	4.25%	-8.05%	2.77%	-31.23%	-4.60%	18.15%	14.12%	-1.61%	9.18%

Correlation

The correlation between IBDO and TLT is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (10Y) Calculated over the trailing 10-year period	0.33
Correlation (All Time) Calculated using the full available price history since Mar 13, 2015	0.33

The correlation between IBDO and TLT shifts across timeframes, from 0.01 (3 years) to 0.33 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

IBDO vs. TLT — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

TLT

TLT Risk / Return Rank: 16
TLT Sharpe Ratio Rank: 16
TLT Sortino Ratio Rank: 15
TLT Omega Ratio Rank: 15
TLT Calmar Ratio Rank: 17
TLT Martin Ratio Rank: 16

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IBDO vs. TLT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2023 Term Corporate ETF (IBDO) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	IBDO	TLT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.51	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.40	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	-0.11	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.26	—

Drawdowns

Drawdown Indicators

	IBDO	TLT	Difference
Max Drawdown Largest peak-to-trough decline	—	-48.35%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-7.58%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-19.18%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-43.70%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-48.35%	—
Current Drawdown Current decline from peak	—	-40.44%	—
Average Drawdown Average peak-to-trough decline	—	-13.82%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.04%	—

Volatility

Volatility by Period

	IBDO	TLT	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.76%	—
Volatility (6M) Calculated over the trailing 6-month period	—	6.50%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	9.77%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	15.87%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	14.91%	—

IBDO vs. TLT - Expense Ratio Comparison

IBDO 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

IBDO vs. TLT - Dividend Comparison

IBDO has not paid dividends to shareholders, while TLT's dividend yield for the trailing twelve months is around 4.59%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IBDO iShares iBonds Dec 2023 Term Corporate ETF	0.00%	0.00%	0.00%	3.61%	1.85%	2.04%	2.47%	3.01%	3.10%	2.96%	3.01%	2.39%
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

Can I hold both IBDO and TLT in my portfolio?

IBDO and TLT have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, IBDO or TLT?

On fees, IBDO is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IBDO or TLT?

IBDO is cheaper with a 0.10% expense ratio, compared with 0.15% for TLT.

Which ETF pays a higher dividend yield, IBDO or TLT?

TLT has the higher dividend yield at 4.59%, compared with 0.00% for IBDO.

What is the main difference between IBDO and TLT?

IBDO is categorized as Corporate Bonds, while TLT is Government Bonds. IBDO tracks Bloomberg December 2023 Maturity Corporate Index, while TLT tracks ICE U.S. Treasury 20+ Year Bond Index. Their fees differ too: 0.10% for IBDO and 0.15% for TLT.