GOVTvsIBTIETF Comparison
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iShares U.S. Treasury Bond ETF (GOVT) and iShares iBonds Dec 2028 Term Treasury ETF (IBTI) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. GOVT is less expensive with a Total Expense Ratio (TER) of 0.05%, versus 0.07% for IBTI. GOVT is down -1.4% year-to-date (YTD) with +$9.54B in YTD flows. IBTI performs better with 0.54% YTD performance, and +$664M in YTD flows. Run a side-by-side ETF comparison of GOVT 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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GOVT vs IBTI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GOVT IBTI | -0.97%-0.30% | -1.64%+0.08% | -1.40%+0.54% | -1.06%+1.59% | +9.66%+13.54% | -5.17%-0.19% |
| Flows | GOVT IBTI | -$1.78B+$87M | -$350M+$298M | +$9.54B+$664M | +$15.01B+$976M | +$18.72B+$1.90B | +$30.16B+$2.04B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GOVT IBTI | +3.54%+1.35% | +3.44%+1.45% | +4.76%+3.13% | +5.67%+4.97% |
| Max drawdown | GOVT IBTI | -2.20%-0.54% | -3.19%-1.08% | -4.87%-2.74% | -16.48%-15.66% |
| Max drawdown duration | GOVT IBTI | 74d17d | 194d156d | 318d160d | 1823d1793d |
Trading data
GOVT | IBTI | |
Last sale 9/11/2026 at 1:30 PM | $22.15 | $21.94 |
| Previous close 09/10/2026 | $22.17 | $21.96 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 12, 2026
1-year trailing difference
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GOVT | 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 9/11/2026 at 1:30 PM
Live
Closed
GOVT | IBTI | |
|---|---|---|
| Last price | $22.15 | $21.94 |
| 1D performance | -0.09% | -0.07% |
| AuM | $41.43 B | $2.04 B |
| E/R | 0.05% | 0.07% |
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Exposure
Countries
GOVT
USA
100%
Other
-0%
IBTI
USA
100%
Other
0%
Sectors
GOVT
Sovereign
99.82%
Other
0.18%
IBTI
Sovereign
99.84%
Other
0.16%
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Diversification
GOVT
Total weight of top 15 holdings out of 15
27.58%
IBTI
Total weight of top 15 holdings out of 15
39.09%
Top 15 holdings
Data as of July 31, 2026
GOVT
USA, Notes 1.375% 15nov2031, USD (F-2031)
5.29%
USA, Notes 2.625% 15feb2029, USD (B-2029)
2.98%
USA, Notes 2.75% 15feb2028, USD (B-2028)
2.66%
USA, Notes 3.125% 15nov2028, USD (F-2028)
2.09%
USA, Notes 2.875% 15may2028, USD (C-2028)
1.62%
USA, Bonds 2.5% 15may2046, USD
1.50%
USA, Bonds 1.875% 15feb2051, USD
1.49%
USA, Bonds 2.75% 15nov2042, USD
1.48%
USA, Bonds 6.125% 15nov2027, USD
1.40%
USA, Bonds 3.75% 15nov2043, USD
1.39%
USA, Notes 2.25% 15nov2027, USD (F-2027)
1.37%
USA, Notes 4% 31may2028, USD (BC-2028)
1.21%
USA, Notes 2.375% 15may2029, USD (C-2029)
1.08%
USA, Notes 4% 31may2030, USD (Z-2030)
1.01%
USA, Notes 4% 15feb2034, USD (B-2034)
1.01%
IBTI
USA, Notes 3.5% 31jan2028, USD (U-2028)
4.54%
USA, Notes 3.375% 29feb2028, USD (AY-2028)
2.72%
USA, Notes 3.75% 30apr2028, USD (BA-2028)
2.55%
USA, Notes 4.125% 30jun2028, USD (BD-2028)
2.49%
USA, Notes 2.875% 15aug2028, USD (E-2028)
2.49%
USA, Notes 3.5% 15oct2028, USD (AT-2028)
2.47%
USA, Notes 3.875% 15jul2028, USD (AQ-2028)
2.46%
USA, Notes 2.875% 15may2028, USD (C-2028)
2.45%
USA, Notes 3.5% 15nov2028, USD (AU-2028)
2.45%
USA, Notes 3.5% 15dec2028, USD (AV-2028)
2.44%
USA, Notes 3.875% 31mar2028, USD (AZ-2028)
2.42%
USA, Notes 3.125% 15nov2028, USD (F-2028)
2.41%
USA, Notes 1.125% 31aug2028, USD (P-2028)
2.41%
USA, Notes 4% 31may2028, USD (BC-2028)
2.40%
USA, Notes 1.125% 29feb2028, USD (H-2028)
2.39%
Frequently asked questions about GOVT and IBTI
How have the GOVT and IBTI ETFs performed in 2026?
As of September 11, 2026, GOVT is down -1.4% year-to-date (YTD), while IBTI has returned 0.54%. That puts IBTI better performer ahead so far this year.
Which ETF is attracting more investor money: GOVT or IBTI?
Year-to-date, the GOVT ETF saw +$9.54B in flows, compared to +$664M for IBTI.
Which ETF is more volatile: GOVT or IBTI?
Over the past year, GOVT had a volatility of 3.44%, while IBTI experienced 1.45%.
Which ETF is bigger: GOVT or IBTI?
As of September 11, 2026, GOVT holds $41.43 B in assets under management (AUM), while IBTI manages $2.04 B.
What sectors do the GOVT and IBTI ETFs invest in?
GOVT leans toward sectors like Sovereign. Meanwhile, IBTI focuses on Sovereign.
What are the top holdings of the GOVT ETF and IBTI ETF?
GOVT top holdings include USA, Notes 1.375% 15nov2031, USD (F-2031), USA, Notes 2.625% 15feb2029, USD (B-2029) and USA, Notes 2.75% 15feb2028, USD (B-2028). 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: GOVT or IBTI?
GOVT holds 215 securities with 27.58% of its assets in the top 15. IBTI has 46 securities and a top 15 weight of 39.09%.
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