SDSIvsNCPBETF Comparison
ETF 1
SDSI
American Century Short Duration Strategic Income ETF
This fund is part of
Intl Aggregate Bonds
-0.07%
VS
American Century Short Duration Strategic Income ETF (SDSI) and Nuveen Core Plus Bond ETF (NCPB) belong to the same industry segment: Intl Aggregate Bonds. SDSI's top 3 sector exposures are Finance, Sovereign and Energy. In contrast, NCPB's top sector exposures are Sovereign, Industrials and Finance. SDSI is more expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.31% for NCPB. SDSI is up 1.56% year-to-date (YTD) with +$143M in YTD flows. NCPB performs worse with -0.54% YTD performance, and -$15K in YTD flows. Run a side-by-side ETF comparison of SDSI and NCPB 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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SDSI vs NCPB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SDSI NCPB | -0.28%-0.75% | +0.26%-0.87% | +1.56%-0.54% | +2.99%+0.61% | +18.07%n/a | n/an/a |
| Flows | SDSI NCPB | +$26M- | +$79M-$2M | +$143M-$15K | +$231M+$617K | +$264M- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SDSI NCPB | +1.28%+3.71% | +1.23%+3.44% | +1.67%n/a | n/an/a |
| Max drawdown | SDSI NCPB | -0.56%-2.04% | -1.10%-2.76% | -1.10%n/a | n/an/a |
| Max drawdown duration | SDSI NCPB | 17d73d | 52d193d | 52dn/a | n/an/a |
Trading data
SDSI | NCPB | |
Last sale 9/11/2026 at 1:30 PM | $50.74 | $24.24 |
| Previous close 09/10/2026 | $50.81 | $24.25 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
SDSI | NCPB | |
|---|---|---|
| Last price | $50.74 | $24.24 |
| 1D performance | -0.14% | -0.04% |
| AuM | $296.85 M | $54.56 M |
| E/R | 0.32% | 0.31% |
Characteristics
SDSI | NCPB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | Nuveen |
| Benchmark | - | - |
| N° of holdings | 225 | 375 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 11, 2022 | March 5, 2024 |
| ESG | No | No |
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Exposure
Countries
SDSI
USA
60.95%
Other
39.05%
NCPB
USA
61.44%
Other
38.57%
Sectors
SDSI
Finance
29.58%
Sovereign
18.17%
Other
52.26%
NCPB
Sovereign
21.6%
Industrials
17.23%
Finance
15.84%
Other
45.34%
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Diversification
SDSI
Total weight of top 15 holdings out of 15
26.83%
NCPB
Total weight of top 15 holdings out of 15
23.85%
Top 15 holdings
Data as of July 31, 2026
SDSI
USA, Notes 4% 31oct2029, USD (R-2029)
11.06%
USA, Notes 4.25% 31jul2028, USD (BE-2028)
6.33%
State Street Institutional US Government Money Market Fund
3.15%
Expand Energy, 5.375% 15mar2030, USD
0.56%
Global Atlantic Fin, 4.4% 15oct2029, USD
0.55%
CMS Energy, 4.75% 1jun2050, USD
0.55%
Standard Industries, 4.75% 15jan2028, USD
0.54%
CCO Holdings, 5% 1feb2028, USD
0.54%
American Airlines, 7.25% 15feb2028, USD
0.53%
Herc Holdings, 7% 15jun2030, USD
0.52%
United Airlines, 4.625% 15apr2029, USD
0.51%
Crown Castle, 4.9% 1sep2029, USD
0.50%
Medline Borrower, 6.25% 1apr2029, USD
0.50%
Swedbank, 7.75% perp., USD
0.50%
Build NYC Resource Corp., 7% 15dec2030, USD (2026C)
0.50%
NCPB
USA, Bonds 4.625% 15nov2044, USD
4.31%
USA, Bonds 4.75% 15may2055, USD
3.92%
USA, Bonds 5% 15may2046, USD
1.85%
US3140W0GF64
1.74%
USA, Notes 3.5% 28feb2031, USD (V-2031)
1.39%
FR SD8256, 4% 1oct2052, USD (ABS)
1.34%
USA, Notes 4.375% 15may2036, USD (C-2036)
1.17%
FN MA5165, 5.5% 1oct2053, USD (ABS)
1.11%
FR SD8231, 4.5% 1jul2052, USD (ABS)
1.10%
Bank of America Corporation, 5.162% 24jan2031, USD (N)
1.08%
JP Morgan, 4.851% 25jul2028, USD
1.04%
FN MA4684, 4.5% 1jun2052, USD (ABS)
1.03%
US31418EGJ38
0.98%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.89%
FN MA5331, 5.5% 1apr2054, USD (ABS)
0.89%
Frequently asked questions about SDSI and NCPB
How have the SDSI and NCPB ETFs performed in 2026?
As of September 11, 2026, SDSI is up 1.56% year-to-date (YTD), while NCPB has lost -0.54%. That puts SDSI better performer ahead so far this year.
Which ETF is attracting more investor money: SDSI or NCPB?
Year-to-date, the SDSI ETF saw +$143M in flows, compared to -$15K for NCPB.
Which ETF is more volatile: SDSI or NCPB?
Over the past year, SDSI had a volatility of 1.23%, while NCPB experienced 3.44%.
Which ETF is bigger: SDSI or NCPB?
As of September 11, 2026, SDSI holds $296.85 M in assets under management (AUM), while NCPB manages $54.56 M.
What sectors do the SDSI and NCPB ETFs invest in?
SDSI leans toward sectors like Finance and Sovereign. Meanwhile, NCPB focuses on Sovereign, Industrials and Finance.
What are the top holdings of the SDSI ETF and NCPB ETF?
SDSI top holdings include USA, Notes 4% 31oct2029, USD (R-2029), USA, Notes 4.25% 31jul2028, USD (BE-2028) and State Street Institutional US Government Money Market Fund. NCPB holds in its top three: USA, Bonds 4.625% 15nov2044, USD, USA, Bonds 4.75% 15may2055, USD and USA, Bonds 5% 15may2046, USD.
Which ETF is more diversified: SDSI or NCPB?
SDSI holds 390 securities with 26.83% of its assets in the top 15. NCPB has 475 securities and a top 15 weight of 23.85%.
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