CWBvsSPABETF Comparison
ETF 1
CWB
State Street SPDR Bloomberg Convertible Securities ETF
This fund is part of
Convertible Bonds
+0.79%
VS
State Street SPDR Bloomberg Convertible Securities ETF (CWB) belongs to the Convertible Bonds segment. State Street SPDR Portfolio Aggregate Bond ETF (SPAB) is part of the US Aggregate Bonds segment. CWB's top 3 sector exposures are Technology, Finance and Utilities. In contrast, SPAB's top sector exposures are Sovereign, Industrials and Government Agencies. CWB is more expensive with a Total Expense Ratio (TER) of 0.4%, versus 0.03% for SPAB. CWB is up 4.06% year-to-date (YTD) with +$198M in YTD flows. SPAB performs worse with -0.06% YTD performance, and +$1.37B in YTD flows. Run a side-by-side ETF comparison of CWB and SPAB 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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CWB vs SPAB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/06/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CWB SPAB | -10.59%+2.74% | -10.63%+0.16% | +4.06%-0.06% | +1.78%+0.27% | +46.54%+15.64% | +13.50%-0.91% |
| Flows | CWB SPAB | -$191M+$193M | -$210M+$501M | +$198M+$1.37B | +$179M+$1.74B | +$314M+$3.09B | -$1.98B+$5.03B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CWB SPAB | +16.15%+4.62% | +17.52%+3.95% | +12.93%+4.88% | +12.95%+5.99% |
| Max drawdown | CWB SPAB | -14.50%-3.30% | -17.31%-4.68% | -17.31%-4.87% | -27.85%-17.44% |
| Max drawdown duration | CWB SPAB | 82d73d | 138d250d | 138d284d | 1327d1556d |
Trading data
CWB | SPAB | |
Last sale 11/6/2026 at 2:30 PM | $91.35 | $24.87 |
| Previous close 11/04/2026 | $90.73 | $24.89 |
| Consolidated volume 11/04/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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CWB | SPAB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/6/2026 at 2:30 PM
Live
Closed
CWB | SPAB | |
|---|---|---|
| Last price | $91.35 | $24.87 |
| 1D performance | +0.68% | -0.08% |
| AuM | $4.80 B | $10.33 B |
| E/R | 0.4% | 0.03% |
Characteristics
CWB | SPAB | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | Bloomberg U.S. Convertible Liquid Bond Index | Bloomberg US Aggregate Bond Index |
| N° of holdings | 308 | 570 |
| Asset class | Bonds | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 14, 2009 | May 23, 2007 |
| ESG | No | No |
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Exposure
Countries
CWB
USA
74.8%
Other
25.2%
SPAB
USA
81.98%
Other
18.02%
Sectors
CWB
Technology
32.39%
Finance
11.85%
Utilities
8.41%
Industrials
7.86%
Healthcare
7.8%
Other
31.69%
SPAB
Sovereign
71.52%
Industrials
9.78%
Other
18.7%
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Diversification
CWB
Total weight of top 15 holdings out of 15
19.81%
SPAB
Total weight of top 15 holdings out of 15
8.87%
Top 15 holdings
Data as of September 30, 2026
CWB
Alphabet, Inc.
2.30%
Alphabet, Inc.
2.30%
The Boeing Co.
1.64%
US55024UAK51
1.61%
Alibaba, 0.5% 1jun2031, USD (Conv.)
1.54%
Super Micro Computer, Inc.
1.27%
Hewlett Packard Enterprise Co.
1.20%
US21873SAL25
1.10%
Oracle Corp.
1.06%
Wells Fargo & Co.
1.04%
Bloom Energy, 0% 15nov2030, USD (Conv.)
1.02%
Western Digital, 3% 15nov2028, USD (Conv.)
0.98%
Nebius, 1.25% 15mar2031, USD (Conv.)
0.94%
CoreWeave, 1.75% 1oct2032, USD (Conv.)
0.92%
Bank of America Corp.
0.90%
SPAB
USA, Notes 4.375% 15may2036, USD (C-2036)
0.68%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.63%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.63%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.61%
USA, Notes 4.25% 15may2035, USD (C-2035)
0.61%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.61%
USA, Notes 3.5% 31jan2028, USD (U-2028)
0.60%
USA, Notes 4% 15nov2035, USD (F-2035)
0.59%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.59%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.58%
USA, Notes 4% 15feb2034, USD (B-2034)
0.57%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.56%
USA, Notes 4% 28feb2030, USD (H-2030)
0.56%
USA, Notes 3.875% 15aug2033, USD (E-2033)
0.53%
USA, Notes 1.25% 15aug2031, USD (E-2031)
0.51%
Frequently asked questions about CWB and SPAB
How have the CWB and SPAB ETFs performed in 2026?
As of November 6, 2026, CWB is up 4.06% year-to-date (YTD), while SPAB has lost -0.06%. That puts CWB better performer ahead so far this year.
Which ETF is attracting more investor money: CWB or SPAB?
Year-to-date, the CWB ETF saw +$198M in flows, compared to +$1.37B for SPAB.
Which ETF is more volatile: CWB or SPAB?
Over the past year, CWB had a volatility of 17.52%, while SPAB experienced 3.95%.
Which ETF is bigger: CWB or SPAB?
As of November 6, 2026, CWB holds $4.80 B in assets under management (AUM), while SPAB manages $10.33 B.
What sectors do the CWB and SPAB ETFs invest in?
CWB leans toward sectors like Technology, Finance and Utilities. Meanwhile, SPAB focuses on Sovereign and Industrials.
What are the top holdings of the CWB ETF and SPAB ETF?
CWB top holdings include Alphabet, Inc., Alphabet, Inc. and The Boeing Co.. SPAB holds in its top three: USA, Notes 4.375% 15may2036, USD (C-2036), USA, Notes 4.125% 15feb2036, USD (B-2036) and USA, Notes 4.625% 15feb2035, USD (B-2035).
Which ETF is more diversified: CWB or SPAB?
CWB holds 361 securities with 19.81% of its assets in the top 15. SPAB has 1443 securities and a top 15 weight of 8.87%.
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