SCUSvsSMBSETF Comparison
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Schwab Ultra-Short Income ETF (SCUS) belongs to the Money Market Bonds segment. Schwab Mortgage-Backed Securities ETF (SMBS) is part of the MBS & ABS segment. SCUS's top 3 sector exposures are Finance, Technology and Energy. In contrast, SMBS's top sector exposures are Industrials, Finance and Government Agencies. SCUS is more expensive with a Total Expense Ratio (TER) of 0.14%, versus 0.03% for SMBS. SCUS is up 2.71% year-to-date (YTD) with +$81M in YTD flows. SMBS performs worse with -0.77% YTD performance, and +$836M in YTD flows. Run a side-by-side ETF comparison of SCUS and SMBS 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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SCUS vs SMBS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SCUS SMBS | +0.45%+2.09% | +0.80%-1.30% | +2.71%-0.77% | +3.43%-0.69% | n/an/a | n/an/a |
| Flows | SCUS SMBS | +$3M+$172M | +$23M+$80M | +$81M+$836M | +$111M+$1.08B | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SCUS SMBS | +0.42%+5.75% | +0.38%+4.46% | n/an/a | n/an/a |
| Max drawdown | SCUS SMBS | -0.11%-4.24% | -0.11%-5.12% | n/an/a | n/an/a |
| Max drawdown duration | SCUS SMBS | 22d64d | 22d241d | n/an/a | n/an/a |
Trading data
SCUS | SMBS | |
Last sale 10/29/2026 at 3:17 PM | $25.11 | $24.55 |
| Previous close 10/28/2026 | $25.11 | $24.48 |
| Consolidated volume 10/28/2026 | ||
| 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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SCUS
is actively managed and doesn’t replicate an indexSCUS | SMBS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/29/2026 at 3:17 PM
Live
Closed
SCUS | SMBS | |
|---|---|---|
| Last price | $25.11 | $24.55 |
| 1D performance | +0.02% | +0.27% |
| AuM | $263.64 M | $6.40 B |
| E/R | 0.14% | 0.03% |
Characteristics
SCUS | SMBS | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Schwab ETFs | Schwab ETFs |
| Benchmark | - | Bloomberg U.S. MBS Float Adjusted Index |
| N° of holdings | 79 | 430 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | August 13, 2024 | November 19, 2024 |
| ESG | No | No |
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Exposure
Countries
SCUS
USA
32.92%
Other
67.08%
SMBS
USA
33.79%
Other
66.21%
Sectors
SCUS
Finance
20.43%
Other
79.57%
SMBS
Industrials
33.23%
Other
66.77%
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Diversification
SCUS
Total weight of top 15 holdings out of 15
32.08%
SMBS
Total weight of top 15 holdings out of 15
5.8%
Top 15 holdings
Data as of August 31, 2026
SCUS
US83369CVL52
2.96%
US63906FRM31
2.38%
US20632LHT70
2.22%
US65557LFD01
2.21%
US05971MHE84
2.21%
US45687UP106
2.18%
US55607LQ157
2.17%
Salesforce, 4.65% 15mar2029, USD
2.12%
U.S. Bancorp, 3.15% 27apr2027, USD (X)
2.06%
US90351XQR79
2.03%
Simon Property Group L.P., 1.375% 15jan2027, USD
2.01%
US40446MVD81
1.99%
US05593DMU45
1.94%
US22536XBR44
1.85%
US22536WTD82
1.75%
SMBS
G2 MB0025, 5% 20nov2054, USD (ABS)
0.67%
US31427R6E50
0.59%
FR SD8469, 5.5% 1oct2054, USD (ABS)
0.48%
FR SD8193, 2% 1feb2052, USD (ABS)
0.40%
US31418DYX47
0.40%
FR SD8106, 2% 1nov2050, USD (ABS)
0.36%
US3618N6HU47
0.35%
FR RQ0110, 5% 1apr2056, USD (ABS)
0.34%
FR RQ0102, 5% 1mar2056, USD (ABS)
0.34%
US3132DWDC47
0.33%
FR SD7552, 2.5% 1jan2052, USD (ABS)
0.31%
US31418EQ948
0.31%
US3142J6BK85
0.30%
US3132DWAN39
0.30%
US3618N6NA19
0.30%
Frequently asked questions about SCUS and SMBS
How have the SCUS and SMBS ETFs performed in 2026?
As of October 28, 2026, SCUS is up 2.71% year-to-date (YTD), while SMBS has lost -0.77%. That puts SCUS better performer ahead so far this year.
Which ETF is attracting more investor money: SCUS or SMBS?
Year-to-date, the SCUS ETF saw +$81M in flows, compared to +$836M for SMBS.
Which ETF is more volatile: SCUS or SMBS?
Over the past year, SCUS had a volatility of 0.38%, while SMBS experienced 4.46%.
Which ETF is bigger: SCUS or SMBS?
As of October 28, 2026, SCUS holds $263.64 M in assets under management (AUM), while SMBS manages $6.40 B.
What sectors do the SCUS and SMBS ETFs invest in?
SCUS leans toward sectors like Finance. Meanwhile, SMBS focuses on Industrials.
What are the top holdings of the SCUS ETF and SMBS ETF?
SCUS top holdings include US83369CVL52, US63906FRM31 and US20632LHT70. SMBS holds in its top three: G2 MB0025, 5% 20nov2054, USD (ABS), US31427R6E50 and FR SD8469, 5.5% 1oct2054, USD (ABS).
Which ETF is more diversified: SCUS or SMBS?
SCUS holds 139 securities with 32.08% of its assets in the top 15. SMBS has 1965 securities and a top 15 weight of 5.8%.
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Latest news about SCUS & SMBS
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