GTOCvsIMTBETF Comparison
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Invesco Core Fixed Income ETF (GTOC) belongs to the Intl IG Bonds segment. iShares Core 5-10 Year USD Bond ETF (IMTB) is part of the US Aggregate Bonds segment. GTOC's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, IMTB's top sector exposures are Sovereign, Industrials and Non-Corporate. GTOC is more expensive with a Total Expense Ratio (TER) of 0.28%, versus 0.07% for IMTB. GTOC is down -2.74% year-to-date (YTD) with +$197M in YTD flows. IMTB performs better with -0.32% YTD performance, and +$4M in YTD flows. Run a side-by-side ETF comparison of GTOC and IMTB 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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GTOC vs IMTB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GTOC IMTB | -0.40%-0.12% | -1.57%-0.84% | -2.74%-0.32% | -0.42%+2.39% | n/a+16.37% | n/a+1.03% |
| Flows | GTOC IMTB | +$26M- | +$196M- | +$197M+$4M | +$367M+$26M | -+$84M | -+$158M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GTOC IMTB | +4.04%+4.28% | +3.78%+3.93% | n/a+5.38% | n/a+6.19% |
| Max drawdown | GTOC IMTB | -2.30%-1.75% | -3.97%-2.88% | n/a-5.03% | n/a-18.13% |
| Max drawdown duration | GTOC IMTB | 65d65d | 185d185d | n/a280d | n/a1452d |
Trading data
GTOC | IMTB | |
Last sale 9/3/2026 at 1:30 PM | $24.62 | $42.72 |
| Previous close 09/02/2026 | $24.59 | $42.64 |
| Consolidated volume 09/02/2026 | ||
| 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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GTOC
is actively managed and doesn’t replicate an indexGTOC | IMTB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 1:30 PM
Live
Closed
GTOC | IMTB | |
|---|---|---|
| Last price | $24.62 | $42.72 |
| 1D performance | +0.12% | +0.18% |
| AuM | $372.66 M | $273.01 M |
| E/R | 0.28% | 0.07% |
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Exposure
Countries
GTOC
USA
53.23%
Other
46.77%
IMTB
USA
63.31%
Other
36.69%
Sectors
GTOC
Sovereign
35.94%
Finance
12.13%
Other
51.94%
IMTB
Sovereign
24.95%
Industrials
13.03%
Non-Corporate
10.19%
Finance
10.09%
Other
41.75%
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Diversification
GTOC
Total weight of top 15 holdings out of 15
48.53%
IMTB
Total weight of top 15 holdings out of 15
23.24%
Top 15 holdings
Data as of July 31, 2026
GTOC
USA, Notes 4.125% 30jun2028, USD (BD-2028)
9.57%
USA, Notes 4.375% 15may2036, USD (C-2036)
8.06%
USA, Bonds 4.75% 15feb2056, USD
6.45%
USA, Notes 4.125% 30jun2031, USD (AA-2031)
5.62%
USA, Notes 4.125% 15jul2029, USD (AQ-2029)
3.14%
US21H0226892
2.43%
US01F0526800
2.09%
US01F0306864
1.64%
US21H0206837
1.62%
US01F0506844
1.56%
US01F0606834
1.47%
US01F0326821
1.26%
USA, Bonds 5% 15may2046, USD
1.26%
US362988AE79
1.19%
USA, Notes 4.25% 30jun2033, USD (M-2033)
1.18%
IMTB
BlackRock Cash Funds - Institutional
10.15%
USA, Notes 4.375% 15may2034, USD (C-2034)
1.19%
USA, Notes 4.25% 15aug2035, USD (E-2035)
1.16%
USA, Notes 4% 15nov2035, USD (F-2035)
1.11%
USA, Notes 4.625% 15feb2035, USD (B-2035)
1.03%
US01F0206874
0.93%
USA, Notes 2.875% 15may2032, USD (C-2032)
0.92%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.91%
USA, Notes 4% 15feb2034, USD (B-2034)
0.86%
USA, Notes 1.25% 15aug2031, USD (E-2031)
0.85%
US31418EDB39
0.85%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.82%
US3140XLFE34
0.82%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.82%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.82%
Frequently asked questions about GTOC and IMTB
How have the GTOC and IMTB ETFs performed in 2026?
As of September 2, 2026, GTOC is down -2.74% year-to-date (YTD), while IMTB has lost -0.32%. That puts IMTB better performer ahead so far this year.
Which ETF is attracting more investor money: GTOC or IMTB?
Year-to-date, the GTOC ETF saw +$197M in flows, compared to +$4M for IMTB.
Which ETF is more volatile: GTOC or IMTB?
Over the past year, GTOC had a volatility of 3.78%, while IMTB experienced 3.93%.
Which ETF is bigger: GTOC or IMTB?
As of September 2, 2026, GTOC holds $372.66 M in assets under management (AUM), while IMTB manages $273.01 M.
What sectors do the GTOC and IMTB ETFs invest in?
GTOC leans toward sectors like Sovereign and Finance. Meanwhile, IMTB focuses on Sovereign, Industrials and Non-Corporate.
What are the top holdings of the GTOC ETF and IMTB ETF?
GTOC top holdings include USA, Notes 4.125% 30jun2028, USD (BD-2028), USA, Notes 4.375% 15may2036, USD (C-2036) and USA, Bonds 4.75% 15feb2056, USD. IMTB holds in its top three: BlackRock Cash Funds - Institutional, USA, Notes 4.375% 15may2034, USD (C-2034) and USA, Notes 4.25% 15aug2035, USD (E-2035).
Which ETF is more diversified: GTOC or IMTB?
GTOC holds 828 securities with 48.53% of its assets in the top 15. IMTB has 3452 securities and a top 15 weight of 23.24%.
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