BABvsZROZETF Comparison
VS
ETF 2
ZROZ
PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF
This fund is part of
US Government Bonds
-0.03%
Invesco Taxable Municipal Bond ETF (BAB) belongs to the Municipal Bonds segment. PIMCO 25+ Year Zero Coupon U.S. Treasury Index ETF (ZROZ) is part of the US Government Bonds segment. BAB's top 2 sector exposures are Municipal and Industrials. In contrast, ZROZ's top sector exposures are Sovereign. BAB is more expensive with a Total Expense Ratio (TER) of 0.28%, versus 0.15% for ZROZ. BAB is down -3.94% year-to-date (YTD) with -$124M in YTD flows. ZROZ performs worse with -7.47% YTD performance, and +$241M in YTD flows. Run a side-by-side ETF comparison of BAB and ZROZ 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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BAB vs ZROZ performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BAB ZROZ | -1.58%+1.55% | -3.41%-8.17% | -3.94%-7.47% | -3.51%-11.97% | +10.79%-16.17% | -9.30%-54.79% |
| Flows | BAB ZROZ | -$119M+$347M | -$156M+$460M | -$124M+$241M | -$13M+$153M | -$664M+$1.15B | -$988M+$2.01B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BAB ZROZ | +4.64%+16.51% | +4.64%+15.16% | +6.50%+21.68% | +7.56%+23.77% |
| Max drawdown | BAB ZROZ | -3.99%-11.99% | -6.11%-16.52% | -6.11%-27.67% | -24.57%-58.11% |
| Max drawdown duration | BAB ZROZ | 79d84d | 199d329d | 199d730d | 1746d1746d |
Trading data
BAB | ZROZ | |
Last sale 9/17/2026 at 5:39 PM | $26.04 | $58.84 |
| Previous close 09/16/2026 | $25.90 | $58.01 |
| Consolidated volume 09/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 17, 2026
1-year trailing difference
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BAB | ZROZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/17/2026 at 5:39 PM
Live
Closed
BAB | ZROZ | |
|---|---|---|
| Last price | $26.04 | $58.84 |
| 1D performance | +0.52% | +1.43% |
| AuM | $860.20 M | $1.66 B |
| E/R | 0.28% | 0.15% |
Characteristics
BAB | ZROZ | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | Invesco | PIMCO |
| Benchmark | ICE BofAML US Taxable Municipal Securities Plus Index | ICE BofA Long US Treasury Principal STRIPS Index |
| N° of holdings | 1315 | 21 |
| Asset class | Fixed Income | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 17, 2009 | October 30, 2009 |
| ESG | No | No |
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Exposure
Countries
BAB
USA
88.17%
Other
11.83%
ZROZ
USA
95.54%
Other
4.46%
Sectors
BAB
Municipal
88.16%
Other
11.84%
ZROZ
Sovereign
95.54%
Other
4.46%
Diversification
BAB
Total weight of top 15 holdings out of 15
11.41%
ZROZ
Total weight of top 15 holdings out of 15
78.18%
Top 15 holdings
Data as of July 31, 2026
BAB
Illinois, 5.1% 1jun2033, USD
1.43%
California, 7.55% 1apr2039, USD
1.30%
California, 7.6% 1nov2040, USD
0.87%
California, 7.5% 1apr2034, USD
0.85%
Illinois, 6.9% 1mar2035, USD (2010-2)
0.83%
California, 7.3% 1oct2039, USD
0.69%
New Jersey Turnpike Authority, 7.102% 1jan2041, USD (2010A)
0.67%
Texas Natural Gas Securitization Finance, 5.169% 1apr2041, USD
0.67%
California, 5.1% 1mar2029, USD
0.65%
California, 7.35% 1nov2039, USD (2009)
0.64%
Metro (OR), 3.25% 1jun2028, USD (2019)
0.61%
New Jersey Turnpike Authority, 7.414% 1jan2040, USD
0.57%
Massachusetts, 4.91% 1may2029, USD
0.56%
New Jersey Economic Development Authority, 7.425% 15feb2029, USD
0.55%
California, 7.625% 1mar2040, USD (2010)
0.52%
ZROZ
USA, STRIPS 0% 15feb2052, USD (10957D)
5.64%
USA, STRIPS 0% 15may2052, USD (10958D)
5.49%
USA, STRIPS 0% 15nov2051, USD (10957D)
5.38%
USA, STRIPS 0% 15aug2052, USD (10958D)
5.34%
USA, STRIPS 0% 15feb2053, USD (10958D)
5.34%
USA, STRIPS 0% 15nov2053, USD (10958D)
5.32%
USA, STRIPS 0% 15nov2052, USD (10958D)
5.30%
USA, STRIPS 0% 15aug2053, USD (10958D)
5.22%
USA, STRIPS 0% 15may2053, USD (10958D)
5.22%
USA, STRIPS 0% 15aug2051, USD (10956D)
5.21%
USA, STRIPS 0% 15feb2055, USD (10954D)
5.11%
USA, STRIPS 0% 15feb2056, USD (10955D)
5.04%
USA, STRIPS 0% 15nov2054, USD (10957D)
4.96%
USA, STRIPS 0% 15may2054, USD (10957D)
4.85%
USA, STRIPS 0% 15aug2055, USD (10957D)
4.77%
Frequently asked questions about BAB and ZROZ
How have the BAB and ZROZ ETFs performed in 2026?
As of September 16, 2026, BAB is down -3.94% year-to-date (YTD), while ZROZ has lost -7.47%. That puts BAB better performer ahead so far this year.
Which ETF is attracting more investor money: BAB or ZROZ?
Year-to-date, the BAB ETF saw -$124M in flows, compared to +$241M for ZROZ.
Which ETF is more volatile: BAB or ZROZ?
Over the past year, BAB had a volatility of 4.64%, while ZROZ experienced 15.16%.
Which ETF is bigger: BAB or ZROZ?
As of September 16, 2026, BAB holds $860.20 M in assets under management (AUM), while ZROZ manages $1.66 B.
What sectors do the BAB and ZROZ ETFs invest in?
BAB leans toward sectors like Municipal. Meanwhile, ZROZ focuses on Sovereign.
What are the top holdings of the BAB ETF and ZROZ ETF?
BAB top holdings include Illinois, 5.1% 1jun2033, USD, California, 7.55% 1apr2039, USD and California, 7.6% 1nov2040, USD. ZROZ holds in its top three: USA, STRIPS 0% 15feb2052, USD (10957D), USA, STRIPS 0% 15may2052, USD (10958D) and USA, STRIPS 0% 15nov2051, USD (10957D).
Which ETF is more diversified: BAB or ZROZ?
BAB holds 1920 securities with 11.41% of its assets in the top 15. ZROZ has 21 securities and a top 15 weight of 78.18%.
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Latest news about BAB & ZROZ
U.S. Yield Curve Normalization Signals Economic Resilience
December 16, 2024
ZROZ
Treasury Yields Drop: Long-Term Bond ETFs Surge
June 17, 2024
ZROZ
U.S. Treasury Yields Fall as Inflation Slows
May 20, 2024
ZROZ
Treasury Yields Soar to November High Amid Hot CPI
April 15, 2024
ZROZ
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Long-Term Bond ETFs Fall as 10-Year Treasury Yield Rises
February 12, 2024
ZROZ
Long-Term Bond ETFs Fall as 10-Year Treasury Yield Rises
February 12, 2024
ZROZ
Respite as Long-Dated Treasury Yields Decline
October 31, 2023
ZROZ
Long-Dated Treasuries No Longer Considered a Safe Haven
October 24, 2023
ZROZ
