IBTIvsSPTSETF Comparison
VS
ETF 2
SPTS
State Street SPDR Portfolio Short Term Treasury ETF
This fund is part of
US Government Bonds
+0.07%
iShares iBonds Dec 2028 Term Treasury ETF (IBTI) and State Street SPDR Portfolio Short Term Treasury ETF (SPTS) belong to the same industry segment: US Government Bonds. IBTI's top 2 sector exposures are Sovereign and Non-Corporate. In contrast, SPTS's top sector exposures are Sovereign. IBTI is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.03% for SPTS. IBTI is up 0.86% year-to-date (YTD) with +$812M in YTD flows. SPTS performs better with 0.99% YTD performance, and +$1.42B in YTD flows. Run a side-by-side ETF comparison of IBTI and SPTS 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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IBTI vs SPTS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBTI SPTS | +0.43%+0.45% | +0.20%+0.15% | +0.86%+0.99% | +1.35%+1.59% | +14.87%+13.17% | +2.06%+10.39% |
| Flows | IBTI SPTS | +$138M-$246M | +$347M+$1.15B | +$812M+$1.42B | +$1.07B+$1.52B | +$2.01B+$1.28B | +$2.19B+$3.96B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBTI SPTS | +1.24%+1.33% | +1.43%+1.27% | +3.03%+1.57% | +4.95%+1.96% |
| Max drawdown | IBTI SPTS | -0.82%-0.92% | -1.08%-0.92% | -2.74%-0.96% | -14.59%-5.42% |
| Max drawdown duration | IBTI SPTS | 52d52d | 156d52d | 160d121d | 1447d795d |
Trading data
IBTI | SPTS | |
Last sale 10/16/2026 at 1:30 PM | $21.94 | $28.72 |
| Previous close 10/15/2026 | $21.92 | $28.70 |
| Consolidated volume 10/15/2026 | ||
| 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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IBTI | SPTS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
IBTI | SPTS | |
|---|---|---|
| Last price | $21.94 | $28.72 |
| 1D performance | +0.07% | +0.07% |
| AuM | $2.19 B | $7.20 B |
| E/R | 0.07% | 0.03% |
Characteristics
IBTI | SPTS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | ICE 2028 Maturity US Treasury Index | Bloomberg US Treasury 1-3 Year Index |
| N° of holdings | 47 | 95 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 25, 2020 | November 30, 2011 |
| ESG | No | No |
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Exposure
Countries
IBTI
USA
97.29%
Other
2.71%
SPTS
USA
96.74%
Other
3.26%
Sectors
IBTI
Sovereign
96.99%
Other
3.01%
SPTS
Sovereign
96.74%
Other
3.26%
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Diversification
IBTI
Total weight of top 15 holdings out of 15
38.92%
SPTS
Total weight of top 15 holdings out of 15
20.22%
Top 15 holdings
Data as of August 31, 2026
IBTI
USA, Notes 3.5% 31jan2028, USD (U-2028)
4.47%
USA, Notes 3.375% 29feb2028, USD (AY-2028)
2.59%
USA, Notes 3.75% 30apr2028, USD (BA-2028)
2.56%
US91282CRH69
2.55%
USA, Notes 4.125% 30jun2028, USD (BD-2028)
2.52%
USA, Notes 3.875% 15jul2028, USD (AQ-2028)
2.47%
USA, Notes 2.875% 15may2028, USD (C-2028)
2.46%
USA, Notes 2.875% 15aug2028, USD (E-2028)
2.46%
USA, Notes 3.5% 15dec2028, USD (AV-2028)
2.44%
USA, Notes 3.875% 31mar2028, USD (AZ-2028)
2.43%
USA, Notes 3.125% 15nov2028, USD (F-2028)
2.42%
USA, Notes 4% 31may2028, USD (BC-2028)
2.41%
USA, Notes 1.125% 31aug2028, USD (P-2028)
2.40%
USA, Notes 1.25% 30apr2028, USD (K-2028)
2.37%
USA, Notes 3.5% 15oct2028, USD (AT-2028)
2.36%
SPTS
USA, Notes 3.5% 31jan2028, USD (U-2028)
1.83%
USA, Notes 4.625% 30apr2029, USD (Y-2029)
1.40%
USA, Notes 3.375% 31dec2027, USD (BM-2027)
1.36%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
1.36%
USA, Notes 3.375% 29feb2028, USD (AY-2028)
1.35%
USA, Notes 4.5% 31may2029, USD (Z-2029)
1.35%
USA, Notes 4.25% 30jun2029, USD (AA-2029)
1.34%
USA, Notes 4% 31jul2029, USD (AB-2029)
1.33%
USA, Notes 3.625% 31aug2029, USD (AC-2029)
1.30%
USA, Notes 4.125% 31mar2029, USD (W-2029)
1.29%
USA, Notes 4% 31jan2029, USD (U-2029)
1.27%
USA, Notes 4.25% 28feb2029, USD (V-2029)
1.27%
USA, Notes 3.875% 15oct2027, USD (AT-2027)
1.27%
USA, Notes 3.5% 30sep2027, USD (BH-2027)
1.26%
USA, Notes 4.125% 15nov2027, USD (AU-2027)
1.25%
Frequently asked questions about IBTI and SPTS
How have the IBTI and SPTS ETFs performed in 2026?
As of October 16, 2026, IBTI is up 0.86% year-to-date (YTD), while SPTS has returned 0.99%. That puts SPTS better performer ahead so far this year.
Which ETF is attracting more investor money: IBTI or SPTS?
Year-to-date, the IBTI ETF saw +$812M in flows, compared to +$1.42B for SPTS.
Which ETF is more volatile: IBTI or SPTS?
Over the past year, IBTI had a volatility of 1.43%, while SPTS experienced 1.27%.
Which ETF is bigger: IBTI or SPTS?
As of October 16, 2026, IBTI holds $2.19 B in assets under management (AUM), while SPTS manages $7.20 B.
What sectors do the IBTI and SPTS ETFs invest in?
IBTI leans toward sectors like Sovereign. Meanwhile, SPTS focuses on Sovereign.
What are the top holdings of the IBTI ETF and SPTS ETF?
IBTI top holdings include USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 3.375% 29feb2028, USD (AY-2028) and USA, Notes 3.75% 30apr2028, USD (BA-2028). SPTS holds in its top three: USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 4.625% 30apr2029, USD (Y-2029) and USA, Notes 3.375% 31dec2027, USD (BM-2027).
Which ETF is more diversified: IBTI or SPTS?
IBTI holds 47 securities with 38.92% of its assets in the top 15. SPTS has 96 securities and a top 15 weight of 20.22%.
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Latest news about IBTI & SPTS
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