SPTSvsIBTIETF Comparison
ETF 1
SPTS
State Street SPDR Portfolio Short Term Treasury ETF
This fund is part of
US Government Bonds
-0.02%
VS
State Street SPDR Portfolio Short Term Treasury ETF (SPTS) and iShares iBonds Dec 2028 Term Treasury ETF (IBTI) belong to the same industry segment: US Government Bonds. SPTS's top 1 sector exposures are Sovereign. In contrast, IBTI's top sector exposures are Sovereign and Non-Corporate. SPTS is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.07% for IBTI. SPTS is up 1.1% year-to-date (YTD) with +$1.49B in YTD flows. IBTI performs worse with 0.97% YTD performance, and +$856M in YTD flows. Run a side-by-side ETF comparison of SPTS and IBTI 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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SPTS vs IBTI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPTS IBTI | +0.73%+0.67% | +0.42%+0.48% | +1.10%+0.97% | +1.74%+1.56% | +12.97%+15.00% | +10.59%+1.97% |
| Flows | SPTS IBTI | -$63M+$166M | +$1.23B+$353M | +$1.49B+$856M | +$1.60B+$1.07B | +$1.72B+$2.04B | +$4.04B+$2.23B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPTS IBTI | +1.41%+1.29% | +1.29%+1.44% | +1.57%+2.97% | +1.97%+4.94% |
| Max drawdown | SPTS IBTI | -0.92%-0.82% | -0.92%-1.08% | -0.96%-2.74% | -5.42%-14.59% |
| Max drawdown duration | SPTS IBTI | 63d63d | 63d156d | 121d160d | 795d1447d |
Trading data
SPTS | IBTI | |
Last sale 10/27/2026 at 1:30 PM | $28.75 | $21.97 |
| Previous close 10/27/2026 | $28.76 | $21.97 |
| Consolidated volume 10/27/2026 | ||
| 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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SPTS | IBTI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
SPTS | IBTI | |
|---|---|---|
| Last price | $28.75 | $21.97 |
| 1D performance | -0.03% | -0.02% |
| AuM | $7.28 B | $2.24 B |
| E/R | 0.03% | 0.07% |
Characteristics
SPTS | IBTI | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | Bloomberg US Treasury 1-3 Year Index | ICE 2028 Maturity US Treasury Index |
| N° of holdings | 95 | 47 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 30, 2011 | February 25, 2020 |
| ESG | No | No |
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Exposure
Countries
SPTS
USA
96.74%
Other
3.26%
IBTI
USA
97.29%
Other
2.71%
Sectors
SPTS
Sovereign
96.74%
Other
3.26%
IBTI
Sovereign
96.99%
Other
3.01%
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Diversification
SPTS
Total weight of top 15 holdings out of 15
20.22%
IBTI
Total weight of top 15 holdings out of 15
38.92%
Top 15 holdings
Data as of August 31, 2026
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%
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%
Frequently asked questions about SPTS and IBTI
How have the SPTS and IBTI ETFs performed in 2026?
As of October 27, 2026, SPTS is up 1.1% year-to-date (YTD), while IBTI has returned 0.97%. That puts SPTS better performer ahead so far this year.
Which ETF is attracting more investor money: SPTS or IBTI?
Year-to-date, the SPTS ETF saw +$1.49B in flows, compared to +$856M for IBTI.
Which ETF is more volatile: SPTS or IBTI?
Over the past year, SPTS had a volatility of 1.29%, while IBTI experienced 1.44%.
Which ETF is bigger: SPTS or IBTI?
As of October 27, 2026, SPTS holds $7.28 B in assets under management (AUM), while IBTI manages $2.24 B.
What sectors do the SPTS and IBTI ETFs invest in?
SPTS leans toward sectors like Sovereign. Meanwhile, IBTI focuses on Sovereign.
What are the top holdings of the SPTS ETF and IBTI ETF?
SPTS top holdings include 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). IBTI holds in its top three: 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).
Which ETF is more diversified: SPTS or IBTI?
SPTS holds 96 securities with 20.22% of its assets in the top 15. IBTI has 47 securities and a top 15 weight of 38.92%.
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Latest news about SPTS & IBTI
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