SIOvsGNMAETF Comparison
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Touchstone Strategic Income Opportunities ETF (SIO) belongs to the Multi-Asset: Other segment. iShares GNMA Bond ETF (GNMA) is part of the MBS & ABS segment. SIO's top 3 sector exposures are Sovereign, Finance and Non-Corporate. In contrast, GNMA's top sector exposures are Industrials and Non-Corporate. SIO is more expensive with a Total Expense Ratio (TER) of 0.88%, versus 0.11% for GNMA. SIO is down -0.64% year-to-date (YTD) with +$80M in YTD flows. GNMA performs worse with -1.65% YTD performance, and +$36M in YTD flows. Run a side-by-side ETF comparison of SIO and GNMA 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 GNMA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SIO GNMA | -0.49%-0.41% | -1.71%-2.53% | -0.64%-1.65% | +0.41%-1.41% | +23.56%+15.95% | n/a+0.31% |
| Flows | SIO GNMA | +$7M-$15M | +$27M+$7M | +$80M+$36M | +$98M+$69M | +$204M+$124M | --$12M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SIO GNMA | +3.51%+5.77% | +3.19%+4.49% | +4.05%+5.59% | n/a+6.56% |
| Max drawdown | SIO GNMA | -2.98%-4.45% | -3.46%-5.36% | -3.46%-5.36% | n/a-15.48% |
| Max drawdown duration | SIO GNMA | 51d52d | 228d229d | 228d229d | n/a1397d |
Trading data
SIO | GNMA | |
Last sale 10/16/2026 at 1:30 PM | $24.83 | $42.27 |
| Previous close 10/15/2026 | $24.83 | $42.26 |
| 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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SIO
is actively managed and doesn’t replicate an indexSIO | GNMA | |
|---|---|---|
| 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
SIO | GNMA | |
|---|---|---|
| Last price | $24.83 | $42.27 |
| 1D performance | +0.02% | +0.02% |
| AuM | $297.00 M | $416.20 M |
| E/R | 0.88% | 0.11% |
Characteristics
SIO | GNMA | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Touchstone Investments | iShares |
| Benchmark | - | Bloomberg U.S. GNMA Bond Index |
| N° of holdings | 138 | 109 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 21, 2022 | February 14, 2012 |
| ESG | No | No |
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Exposure
Countries
SIO
USA
62.18%
Other
37.82%
GNMA
USA
48.8%
Other
51.2%
Sectors
SIO
Sovereign
17.39%
Finance
13.47%
Non-Corporate
10.66%
Industrials
7.01%
Other
51.47%
GNMA
Industrials
39.92%
Non-Corporate
8.88%
Other
51.2%
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Diversification
SIO
Total weight of top 15 holdings out of 15
48.36%
GNMA
Total weight of top 15 holdings out of 15
33.91%
Top 15 holdings
Data as of August 31, 2026
SIO
BNY Dreyfus Government Cash Management
10.66%
US91282CRK98
8.43%
USA, Notes 4.125% 15feb2036, USD (B-2036)
4.84%
US91282CRF04
4.71%
USA, Bonds 4.75% 15feb2045, USD
4.31%
US912810UW61
4.12%
USA, Bonds 4.75% 15aug2055, USD
3.26%
USA, Notes 4.375% 15may2036, USD (C-2036)
2.46%
USA, Bonds 5% 15may2056, USD
1.34%
USA, Bonds 4.625% 15nov2055, USD
0.76%
General Motors Financial, 3.1% 12jan2032, USD
0.73%
Capital Power Corporation, 6.189% 1jun2035, USD
0.71%
Barclays, 2.894% 24nov2032, USD
0.70%
United Airlines, 4.625% 15apr2029, USD
0.67%
US92343VJM72
0.66%
GNMA
BlackRock Cash Funds - Treasury
8.88%
G2 MA7192, 2% 20feb2051, USD (ABS)
2.59%
US3618N5XQ77
2.51%
G2 MA9360, 4.5% 20dec2053, USD (ABS)
2.42%
US21H0526945
1.97%
US36179WTX64
1.90%
G2 MA8878, 5% 20may2053, USD (ABS)
1.67%
G2 MB0025, 5% 20nov2054, USD (ABS)
1.64%
US36179WJR07
1.62%
G2 MA7880, 2% 20feb2052, USD (ABS)
1.59%
G2 MA8801, 5.5% 20apr2053, USD (ABS)
1.59%
G2 MA6864, 2% 20sep2050, USD (ABS)
1.44%
US36179WLP13
1.40%
US36179WFG87
1.38%
US3617NWEY42
1.32%
Frequently asked questions about SIO and GNMA
How have the SIO and GNMA ETFs performed in 2026?
As of October 15, 2026, SIO is down -0.64% year-to-date (YTD), while GNMA has lost -1.65%. That puts SIO better performer ahead so far this year.
Which ETF is attracting more investor money: SIO or GNMA?
Year-to-date, the SIO ETF saw +$80M in flows, compared to +$36M for GNMA.
Which ETF is more volatile: SIO or GNMA?
Over the past year, SIO had a volatility of 3.19%, while GNMA experienced 4.49%.
Which ETF is bigger: SIO or GNMA?
As of October 15, 2026, SIO holds $297.00 M in assets under management (AUM), while GNMA manages $416.20 M.
What sectors do the SIO and GNMA ETFs invest in?
SIO leans toward sectors like Sovereign, Finance and Non-Corporate. Meanwhile, GNMA focuses on Industrials and Non-Corporate.
What are the top holdings of the SIO ETF and GNMA ETF?
SIO top holdings include BNY Dreyfus Government Cash Management, US91282CRK98 and USA, Notes 4.125% 15feb2036, USD (B-2036). GNMA holds in its top three: BlackRock Cash Funds - Treasury, G2 MA7192, 2% 20feb2051, USD (ABS) and US3618N5XQ77.
Which ETF is more diversified: SIO or GNMA?
SIO holds 215 securities with 48.36% of its assets in the top 15. GNMA has 355 securities and a top 15 weight of 33.91%.
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