IYT vs. TLT

Last updated Jun 3, 2026

IYT (iShares Transportation Average ETF) and TLT (iShares 20+ Year Treasury Bond ETF) are both exchange-traded funds - IYT is a Transportation Equities fund tracking the Dow Jones Transportation Average 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 10 years, IYT returned 10.51%/yr vs -1.62%/yr for TLT. At a correlation of -0.24, they often move in opposite directions. IYT charges 0.42%/yr vs 0.15%/yr for TLT.

Performance

IYT vs. TLT - Performance Comparison

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

Returns By Period

In the year-to-date period, IYT achieves a 13.12% return, which is significantly higher than TLT's 0.13% return. Over the past 10 years, IYT has outperformed TLT with an annualized return of 10.51%, while TLT has yielded a comparatively lower -1.62% annualized return.

IYT

• 1D: -1.00%
• 1M: 3.94%
• YTD: 13.12%
• 6M: 15.04%
• 1Y: 30.40%
• 3Y*: 14.77%
• 5Y*: 5.55%
• 10Y*: 10.51%

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%

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

IYT vs. TLT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IYT iShares Transportation Average ETF	13.12%	11.48%	4.10%	24.62%	-21.74%	26.41%	14.20%	20.11%	-12.87%	18.89%
TLT iShares 20+ Year Treasury Bond ETF	0.13%	4.25%	-8.05%	2.77%	-31.23%	-4.60%	18.15%	14.12%	-1.61%	9.18%

Correlation

The correlation between IYT and TLT is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.18
Correlation (3Y) Calculated over the trailing 3-year period	0.12
Correlation (5Y) Calculated over the trailing 5-year period	0.03
Correlation (10Y) Calculated over the trailing 10-year period	-0.14
Correlation (All Time) Calculated using the full available price history since Oct 13, 2003	-0.24

The correlation between IYT and TLT shifts across timeframes, from -0.24 (all time) to 0.18 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

IYT vs. TLT — Risk / Return Rank

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

IYT

IYT Risk / Return Rank: 44
IYT Sharpe Ratio Rank: 43
IYT Sortino Ratio Rank: 42
IYT Omega Ratio Rank: 40
IYT Calmar Ratio Rank: 49
IYT Martin Ratio Rank: 48

TLT

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

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.

IYT vs. TLT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Transportation Average ETF (IYT) 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.

	IYT	TLT	Difference
Sharpe ratio Return per unit of total volatility	1.51	0.53	+0.98
Sortino ratio Return per unit of downside risk	2.15	0.83	+1.32
Omega ratio Gain probability vs. loss probability	1.26	1.09	+0.17
Calmar ratio Return relative to maximum drawdown	2.47	0.55	+1.92
Martin ratio Return relative to average drawdown	8.00	1.38	+6.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IYT vs. TLT - Sharpe Ratio Comparison

The current IYT Sharpe Ratio is 1.51, which is higher than the TLT Sharpe Ratio of 0.53. The chart below compares the historical Sharpe Ratios of IYT and TLT, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	IYT	TLT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.51	0.53	+0.98
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	-0.38	+0.63
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	-0.11	+0.56
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.26	+0.16

Drawdowns

IYT vs. TLT - Drawdown Comparison

The maximum IYT drawdown since its inception was -60.39%, which is greater than TLT's maximum drawdown of -48.35%. Use the drawdown chart below to compare losses from any high point for IYT and TLT.

Drawdown Indicators

	IYT	TLT	Difference
Max Drawdown Largest peak-to-trough decline	-60.39%	-48.35%	-12.04%
Max Drawdown (1Y) Largest decline over 1 year	-12.09%	-7.58%	-4.51%
Max Drawdown (3Y) Largest decline over 3 years	-26.35%	-19.18%	-7.17%
Max Drawdown (5Y) Largest decline over 5 years	-29.15%	-43.70%	+14.55%
Max Drawdown (10Y) Largest decline over 10 years	-41.28%	-48.35%	+7.07%
Current Drawdown Current decline from peak	-1.00%	-40.20%	+39.20%
Average Drawdown Average peak-to-trough decline	-9.32%	-13.81%	+4.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.73%	3.02%	+0.71%

Volatility

IYT vs. TLT - Volatility Comparison

iShares Transportation Average ETF (IYT) has a higher volatility of 7.34% compared to iShares 20+ Year Treasury Bond ETF (TLT) at 2.84%. This indicates that IYT's price experiences larger fluctuations and is considered to be riskier than TLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IYT	TLT	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.34%	2.84%	+4.50%
Volatility (6M) Calculated over the trailing 6-month period	15.43%	6.60%	+8.83%
Volatility (1Y) Calculated over the trailing 1-year period	20.17%	9.81%	+10.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.29%	15.87%	+6.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.15%	14.91%	+8.24%

IYT vs. TLT - Expense Ratio Comparison

IYT has a 0.42% expense ratio, which is higher than TLT's 0.15% expense ratio.

Dividends

IYT vs. TLT - Dividend Comparison

IYT's dividend yield for the trailing twelve months is around 0.95%, less than TLT's 4.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IYT iShares Transportation Average ETF	0.95%	1.00%	1.08%	1.26%	1.40%	0.77%	0.93%	1.29%	1.35%	0.92%	0.96%	1.28%
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

Can I hold both IYT and TLT in my portfolio?

IYT and TLT have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IYT or TLT?

IYT has higher volatility (7.34%) compared to TLT (2.84%). In terms of maximum drawdown, IYT dropped -60.39% vs TLT's -48.35%.

Which ETF is better, IYT or TLT?

On 10-year performance, IYT leads with 10.51% vs -1.62% for TLT. On fees, TLT is cheaper at 0.15% per year. On volatility, TLT has been the lower-risk option at 2.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IYT or TLT?

Over the 10-year period, IYT has performed better with a 10.51% return vs -1.62%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IYT or TLT?

TLT is cheaper with a 0.15% expense ratio, compared with 0.42% for IYT.

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

TLT has the higher dividend yield at 4.57%, compared with 0.95% for IYT.

What is the main difference between IYT and TLT?

IYT is categorized as Transportation Equities, while TLT is Government Bonds. IYT tracks Dow Jones Transportation Average Index, while TLT tracks ICE U.S. Treasury 20+ Year Bond Index. Their fees differ too: 0.42% for IYT and 0.15% for TLT.

Which has better risk-adjusted returns?

IYT currently has the higher Sharpe Ratio (1.51 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.