IBTLvsSPTIETF Comparison
VS
ETF 2
SPTI
State Street SPDR Portfolio Intermediate Term Treasury ETF
This fund is part of
US Government Bonds
-0.27%
iShares iBonds Dec 2031 Term Treasury ETF (IBTL) and State Street SPDR Portfolio Intermediate Term Treasury ETF (SPTI) belong to the same industry segment: US Government Bonds. IBTL's top 2 sector exposures are Sovereign and Non-Corporate. In contrast, SPTI's top sector exposures are Sovereign. IBTL is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.03% for SPTI. IBTL is down -1.88% year-to-date (YTD) with +$321M in YTD flows. SPTI performs worse with -2.06% YTD performance, and +$1.67B in YTD flows. Run a side-by-side ETF comparison of IBTL and SPTI 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 SPTI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBTL SPTI | -0.07%-0.23% | -1.50%-1.68% | -1.88%-2.06% | -1.90%-2.01% | +15.73%+13.63% | -5.70%-0.53% |
| Flows | IBTL SPTI | +$19M+$423M | +$133M+$597M | +$321M+$1.67B | +$336M+$1.71B | +$648M+$6.80B | +$772M+$8.57B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBTL SPTI | +3.39%+3.70% | +3.36%+3.44% | +5.25%+4.35% | +7.34%+5.38% |
| Max drawdown | IBTL SPTI | -2.68%-2.94% | -4.29%-4.52% | -5.55%-4.52% | -20.62%-13.78% |
| Max drawdown duration | IBTL SPTI | 55d55d | 232d232d | 198d232d | 1779d1397d |
Trading data
IBTL | SPTI | |
Last sale 10/20/2026 at 2:50 PM | $19.59 | $27.48 |
| Previous close 10/19/2026 | $19.56 | $27.44 |
| Consolidated volume 10/19/2026 | ||
| 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 | SPTI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/20/2026 at 2:50 PM
Live
Closed
IBTL | SPTI | |
|---|---|---|
| Last price | $19.59 | $27.48 |
| 1D performance | +0.15% | +0.13% |
| AuM | $747.85 M | $10.78 B |
| E/R | 0.07% | 0.03% |
Characteristics
IBTL | SPTI | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | ICE 2031 Maturity US Treasury Index | Bloomberg 3-10 Year U.S. 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 |
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Exposure
Countries
IBTL
USA
95.2%
Other
4.8%
SPTI
USA
96.5%
Other
3.5%
Sectors
IBTL
Sovereign
95.04%
Other
4.96%
SPTI
Sovereign
96.5%
Other
3.5%
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Diversification
IBTL
Total weight of top 15 holdings out of 15
74.38%
SPTI
Total weight of top 15 holdings out of 15
26.63%
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%
SPTI
USA, Notes 4.625% 15feb2035, USD (B-2035)
1.95%
USA, Notes 4.25% 15aug2035, USD (E-2035)
1.91%
USA, Notes 4.25% 15nov2034, USD (F-2034)
1.90%
USA, Notes 4.25% 15may2035, USD (C-2035)
1.88%
USA, Notes 4.375% 15may2034, USD (C-2034)
1.86%
USA, Notes 4% 15feb2034, USD (B-2034)
1.83%
USA, Notes 4.5% 15nov2033, USD (F-2033)
1.81%
USA, Notes 3.875% 15aug2034, USD (E-2034)
1.77%
USA, Notes 4% 15nov2035, USD (F-2035)
1.75%
USA, Notes 4% 28feb2030, USD (H-2030)
1.73%
USA, Notes 4.375% 15may2036, USD (C-2036)
1.69%
USA, Notes 4.125% 15feb2036, USD (B-2036)
1.69%
USA, Notes 2.75% 15aug2032, USD (E-2032)
1.64%
USA, Notes 3.875% 15aug2033, USD (E-2033)
1.60%
USA, Notes 4.125% 15nov2032, USD (F-2032)
1.60%
Frequently asked questions about IBTL and SPTI
How have the IBTL and SPTI ETFs performed in 2026?
As of October 19, 2026, IBTL is down -1.88% year-to-date (YTD), while SPTI has lost -2.06%. That puts IBTL better performer ahead so far this year.
Which ETF is attracting more investor money: IBTL or SPTI?
Year-to-date, the IBTL ETF saw +$321M in flows, compared to +$1.67B for SPTI.
Which ETF is more volatile: IBTL or SPTI?
Over the past year, IBTL had a volatility of 3.36%, while SPTI experienced 3.44%.
Which ETF is bigger: IBTL or SPTI?
As of October 19, 2026, IBTL holds $747.85 M in assets under management (AUM), while SPTI manages $10.78 B.
What sectors do the IBTL and SPTI ETFs invest in?
IBTL leans toward sectors like Sovereign. Meanwhile, SPTI focuses on Sovereign.
What are the top holdings of the IBTL ETF and SPTI 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). SPTI holds in its top three: USA, Notes 4.625% 15feb2035, USD (B-2035), USA, Notes 4.25% 15aug2035, USD (E-2035) and USA, Notes 4.25% 15nov2034, USD (F-2034).
Which ETF is more diversified: IBTL or SPTI?
IBTL holds 25 securities with 74.38% of its assets in the top 15. SPTI has 102 securities and a top 15 weight of 26.63%.
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Latest news about IBTL & SPTI
Street Global Advisors' Recent Expense Ratio Reductions Highlights the Ongoing Low-Fee ETF Arms Race
August 30, 2023
SPTI
The role of active and indexing in fixed income portfolios
August 23, 2022
SPTI
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