SIOvsIUSBETF Comparison
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Touchstone Strategic Income Opportunities ETF (SIO) belongs to the Multi-Asset: Other segment. iShares Core Total USD Bond Market ETF (IUSB) is part of the US Aggregate Bonds segment. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. SIO is more expensive with a Total Expense Ratio (TER) of 0.88%, versus 0.06% for IUSB. SIO is up 0.85% year-to-date (YTD) with +$72M in YTD flows. IUSB performs worse with 0.01% YTD performance, and +$10.31B in YTD flows. Run a side-by-side ETF comparison of SIO and IUSB 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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SIO vs IUSB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SIO IUSB | +0.59%+0.42% | -0.18%-0.49% | +0.85%+0.01% | +3.74%+2.43% | +22.36%+14.35% | n/a+0.41% |
| Flows | SIO IUSB | +$18M+$769M | +$39M+$4.70B | +$72M+$10.31B | +$95M+$10.61B | +$196M+$21.90B | -+$31.59B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SIO IUSB | +3.29%+3.70% | +3.07%+3.48% | +4.12%+4.72% | n/a+5.53% |
| Max drawdown | SIO IUSB | -1.49%-1.61% | -2.41%-2.51% | -3.67%-4.51% | n/a-17.91% |
| Max drawdown duration | SIO IUSB | 64d63d | 183d183d | 78d88d | n/a1492d |
Trading data
SIO | IUSB | |
Last sale 8/31/2026 at 7:44 PM | $25.31 | $45.20 |
| Previous close 08/31/2026 | $25.36 | $45.45 |
| Consolidated volume 08/31/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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SIO
is actively managed and doesn’t replicate an indexSIO | IUSB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/31/2026 at 7:44 PM
Live
Closed
SIO | IUSB | |
|---|---|---|
| Last price | $25.31 | $45.20 |
| 1D performance | -0.20% | -0.56% |
| AuM | $294.68 M | $43.79 B |
| E/R | 0.88% | 0.06% |
Characteristics
SIO | IUSB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Touchstone Investments | iShares |
| Benchmark | - | Bloomberg U.S. Universal Index |
| N° of holdings | 149 | 16284 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 21, 2022 | June 10, 2014 |
| ESG | No | No |
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Exposure
Countries
SIO
USA
69.99%
Other
30.01%
IUSB
USA
73.5%
Other
26.5%
Sectors
SIO
Sovereign
31.42%
Finance
14.79%
Industrials
8.13%
Other
45.66%
IUSB
Sovereign
43.13%
Finance
13.46%
Other
43.41%
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Diversification
SIO
Total weight of top 15 holdings out of 15
34.41%
IUSB
Total weight of top 15 holdings out of 15
9.25%
Top 15 holdings
Data as of July 31, 2026
SIO
USA, Notes 4.125% 15feb2036, USD (B-2036)
5.15%
USA, Notes 4.125% 30jun2028, USD (BD-2028)
4.60%
USA, Bonds 4.75% 15feb2045, USD
4.38%
USA, Notes 3.75% 15apr2028, USD (AM-2028)
4.28%
USA, Bonds 4.75% 15aug2055, USD
3.44%
USA, Bonds 5% 15may2056, USD
2.40%
USA, Notes 3.875% 31mar2031, USD (W-2031)
2.11%
Dreyfus Government Cash Management
1.74%
USA, TIPS 2.375% 15feb2056, USD
1.70%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.86%
USA, Bonds 4.625% 15nov2055, USD
0.80%
General Motors Financial, 3.1% 12jan2032, USD
0.78%
Barclays, 2.894% 24nov2032, USD
0.75%
USA, Bonds 4.75% 15feb2056, USD
0.72%
United Airlines, 4.625% 15apr2029, USD
0.71%
IUSB
BlackRock Liquidity TempCash
4.35%
US01F0206874
0.42%
USA, Notes 4.375% 31dec2029, USD (AH-2029)
0.38%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.37%
USA, Notes 4% 15feb2034, USD (B-2034)
0.37%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.35%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.35%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.34%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.34%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.34%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.34%
USA, Notes 4.25% 15may2035, USD (C-2035)
0.33%
USA, Notes 2.75% 15aug2032, USD (E-2032)
0.33%
USA, Notes 4% 15nov2035, USD (F-2035)
0.33%
US01F0426811
0.31%
Frequently asked questions about SIO and IUSB
How have the SIO and IUSB ETFs performed in 2026?
As of August 31, 2026, SIO is up 0.85% year-to-date (YTD), while IUSB has returned 0.01%. That puts SIO better performer ahead so far this year.
Which ETF is attracting more investor money: SIO or IUSB?
Year-to-date, the SIO ETF saw +$72M in flows, compared to +$10.31B for IUSB.
Which ETF is more volatile: SIO or IUSB?
Over the past year, SIO had a volatility of 3.07%, while IUSB experienced 3.48%.
Which ETF is bigger: SIO or IUSB?
As of August 31, 2026, SIO holds $294.68 M in assets under management (AUM), while IUSB manages $43.79 B.
What sectors do the SIO and IUSB ETFs invest in?
SIO leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, IUSB focuses on Sovereign and Finance.
What are the top holdings of the SIO ETF and IUSB ETF?
SIO top holdings include USA, Notes 4.125% 15feb2036, USD (B-2036), USA, Notes 4.125% 30jun2028, USD (BD-2028) and USA, Bonds 4.75% 15feb2045, USD. IUSB holds in its top three: BlackRock Liquidity TempCash, US01F0206874 and USA, Notes 4.375% 31dec2029, USD (AH-2029).
Which ETF is more diversified: SIO or IUSB?
SIO holds 220 securities with 34.41% of its assets in the top 15. IUSB has 18026 securities and a top 15 weight of 9.25%.
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