IBTLvsSPTLETF Comparison

ETF 1

IBTL

iShares iBonds Dec 2031 Term Treasury ETF

This fund is part of

US Government Bonds

+0.07%

Full IBTL fund page

ETF 2

SPTL

State Street SPDR Portfolio Long Term Treasury ETF

This fund is part of

US Government Bonds

+0.07%

Full SPTL fund page

iShares iBonds Dec 2031 Term Treasury ETF (IBTL) and State Street SPDR Portfolio Long Term Treasury ETF (SPTL) belong to the same industry segment: US Government Bonds. IBTL's top 2 sector exposures are Sovereign and Non-Corporate. In contrast, SPTL's top sector exposures are Sovereign. IBTL is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.03% for SPTL. IBTL is down -1.68% year-to-date (YTD) with +$321M in YTD flows. SPTL performs worse with -4.73% YTD performance, and +$1.34B in YTD flows. Run a side-by-side ETF comparison of IBTL and SPTL below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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IBTL vs SPTL performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/16/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IBTL SPTL	+0.34%-0.59%	-1.44%-3.57%	-1.68%-4.73%	-1.76%-7.19%	+13.77%+8.25%	-5.94%-30.14%
Flows	IBTL SPTL	+$19M+$667M	+$134M+$1.40B	+$321M+$1.34B	+$337M+$148M	+$647M+$5.31B	+$772M+$10.82B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IBTL SPTL	+3.36%+9.61%	+3.35%+8.62%	+5.29%+11.80%	+7.34%+14.37%
Max drawdown	IBTL SPTL	-2.68%-7.06%	-4.29%-11.41%	-5.55%-13.74%	-20.62%-41.05%
Max drawdown duration	IBTL SPTL	52d89d	229d229d	198d760d	1776d1776d

Trading data

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	IBTL	SPTL
Last sale 10/19/2026 at 2:13 PM	$19.58	$24.40
Previous close 10/16/2026	$224.77	$24.45
Consolidated volume 10/16/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of September 30, 2026

1-year trailing difference

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	IBTL	SPTL
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/19/2026 at 2:13 PM

Live

Closed

	IBTL	SPTL
Last price	$19.58	$24.40
1D performance	-91.29%	-0.20%
AuM	$749.38 M	$11.47 B
E/R	0.07%	0.03%

Characteristics

	IBTL	SPTL
Management strategy	Passive	Passive
Provider	iShares	State Street Investment Management
Benchmark	ICE 2031 Maturity US Treasury Index	Bloomberg US Long Treasury Index
N° of holdings	25	100
Asset class	Fixed Income	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	July 15, 2021	May 23, 2007
ESG	No	No

More IBTL data on Trackinsight

More SPTL data on Trackinsight

Exposure

Countries

IBTL

USA

95.2%

Other

4.8%

SPTL

USA

98.1%

Other

1.9%

Sectors

IBTL

Sovereign

95.04%

Other

4.96%

SPTL

Sovereign

98.1%

Other

1.9%

Diversification

IBTL

Total weight of top 15 holdings out of 15

74.38%

SPTL

Total weight of top 15 holdings out of 15

29.18%

Top 15 holdings

Data as of August 31, 2026

IBTL

USA, Notes 1.25% 15aug2031, USD (E-2031)

6.96%

USA, Notes 1.375% 15nov2031, USD (F-2031)

6.87%

USA, Notes 1.625% 15may2031, USD (C-2031)

6.49%

USA, Notes 1.125% 15feb2031, USD (B-2031)

6.45%

USA, Notes 4.125% 30jun2031, USD (AA-2031)

5.11%

USA, Notes 4.125% 31may2031, USD (Z-2031)

5.00%

USA, Notes 3.875% 31mar2031, USD (W-2031)

4.83%

USA, Notes 3.875% 30apr2031, USD (Y-2031)

4.83%

USA, Notes 3.75% 31jan2031, USD (U-2031)

4.73%

USA, Notes 3.5% 28feb2031, USD (V-2031)

4.67%

US91282CRK98

4.42%

USA, Notes 4.375% 31jul2031, USD (AB-2031)

3.59%

USA, Notes 4.625% 31may2031, USD (L-2031)

3.54%

USA, Notes 4.625% 30apr2031, USD (K-2031)

3.45%

USA, Notes 4.125% 31jul2031, USD (N-2031)

3.43%

SPTL

USA, Bonds 5% 15may2056, USD

2.28%

USA, Bonds 4.75% 15feb2056, USD

2.19%

USA, Bonds 4.75% 15aug2055, USD

2.18%

USA, Bonds 4.75% 15may2055, USD

2.12%

USA, Bonds 4.625% 15may2054, USD

2.08%

USA, Bonds 4.625% 15nov2055, USD

2.08%

USA, Bonds 4.625% 15feb2055, USD

2.07%

USA, Bonds 4.5% 15nov2054, USD

2.04%

USA, Bonds 4.75% 15nov2053, USD

2.02%

USA, Bonds 4.25% 15aug2054, USD

1.95%

USA, Bonds 4.25% 15feb2054, USD

1.95%

USA, Bonds 4.125% 15aug2053, USD

1.74%

USA, Bonds 4% 15nov2052, USD

1.55%

USA, Bonds 1.75% 15aug2041, USD

1.50%

USA, Bonds 3.625% 15may2053, USD

1.44%

Frequently asked questions about IBTL and SPTL

How have the IBTL and SPTL ETFs performed in 2026?

As of October 16, 2026, IBTL is down -1.68% year-to-date (YTD), while SPTL has lost -4.73%. That puts IBTL better performer ahead so far this year.

Which ETF is attracting more investor money: IBTL or SPTL?

Year-to-date, the IBTL ETF saw +$321M in flows, compared to +$1.34B for SPTL.

Which ETF is more volatile: IBTL or SPTL?

Over the past year, IBTL had a volatility of 3.35%, while SPTL experienced 8.62%.

Which ETF is bigger: IBTL or SPTL?

As of October 16, 2026, IBTL holds $749.38 M in assets under management (AUM), while SPTL manages $11.47 B.

What sectors do the IBTL and SPTL ETFs invest in?

IBTL leans toward sectors like Sovereign. Meanwhile, SPTL focuses on Sovereign.

What are the top holdings of the IBTL ETF and SPTL ETF?

IBTL top holdings include USA, Notes 1.25% 15aug2031, USD (E-2031), USA, Notes 1.375% 15nov2031, USD (F-2031) and USA, Notes 1.625% 15may2031, USD (C-2031). SPTL holds in its top three: USA, Bonds 5% 15may2056, USD, USA, Bonds 4.75% 15feb2056, USD and USA, Bonds 4.75% 15aug2055, USD.

IBTLvsSPTLETF Comparison

iShares iBonds Dec 2031 Term Treasury ETF

State Street SPDR Portfolio Long Term Treasury ETF

IBTL vs SPTL performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the IBTL and SPTL ETFs performed in 2026?

As of October 16, 2026, IBTL is down -1.68% year-to-date (YTD), while SPTL has lost -4.73%. That puts IBTL better performer ahead so far this year.

Which ETF is attracting more investor money: IBTL or SPTL?

Year-to-date, the IBTL ETF saw +$321M in flows, compared to +$1.34B for SPTL.

Which ETF is more volatile: IBTL or SPTL?

Over the past year, IBTL had a volatility of 3.35%, while SPTL experienced 8.62%.

Which ETF is bigger: IBTL or SPTL?

As of October 16, 2026, IBTL holds $749.38 M in assets under management (AUM), while SPTL manages $11.47 B.

What sectors do the IBTL and SPTL ETFs invest in?

IBTL leans toward sectors like Sovereign. Meanwhile, SPTL focuses on Sovereign.

What are the top holdings of the IBTL ETF and SPTL ETF?

IBTL top holdings include USA, Notes 1.25% 15aug2031, USD (E-2031), USA, Notes 1.375% 15nov2031, USD (F-2031) and USA, Notes 1.625% 15may2031, USD (C-2031). SPTL holds in its top three: USA, Bonds 5% 15may2056, USD, USA, Bonds 4.75% 15feb2056, USD and USA, Bonds 4.75% 15aug2055, USD.

Which ETF is more diversified: IBTL or SPTL?

IBTL holds 25 securities with 74.38% of its assets in the top 15. SPTL has 101 securities and a top 15 weight of 29.18%.

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