SDSIvsFBNDETF 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 Fidelity Total Bond ETF (FBND) belong to the same industry segment: Intl Aggregate Bonds. SDSI's top 3 sector exposures are Finance, Sovereign and Energy. In contrast, FBND's top sector exposures are Sovereign, Finance and Industrials. SDSI is less expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.36% for FBND. SDSI is up 1.56% year-to-date (YTD) with +$143M in YTD flows. FBND performs worse with -1.03% YTD performance, and +$5.73B in YTD flows. Run a side-by-side ETF comparison of SDSI and FBND 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 FBND 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 FBND | -0.28%-1.09% | +0.26%-1.80% | +1.56%-1.03% | +2.99%-0.48% | +18.07%+14.54% | n/a+0.78% |
| Flows | SDSI FBND | +$26M+$1.20B | +$79M+$2.60B | +$143M+$5.73B | +$231M+$8.55B | +$264M+$23.99B | -+$27.23B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SDSI FBND | +1.28%+3.68% | +1.23%+3.53% | +1.67%+4.92% | n/a+5.59% |
| Max drawdown | SDSI FBND | -0.56%-2.37% | -1.10%-2.90% | -1.10%-4.37% | n/a-17.34% |
| Max drawdown duration | SDSI FBND | 17d74d | 52d194d | 52d280d | n/a1451d |
Trading data
SDSI | FBND | |
Last sale 9/11/2026 at 1:30 PM | $50.74 | $44.24 |
| Previous close 09/10/2026 | $50.81 | $44.26 |
| 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 | FBND | |
|---|---|---|
| Last price | $50.74 | $44.24 |
| 1D performance | -0.14% | -0.05% |
| AuM | $296.85 M | $28.10 B |
| E/R | 0.32% | 0.36% |
Characteristics
SDSI | FBND | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | Fidelity |
| Benchmark | - | - |
| N° of holdings | 225 | 1105 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 11, 2022 | October 6, 2014 |
| ESG | No | No |
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Exposure
Countries
SDSI
USA
60.95%
Other
39.05%
FBND
USA
62.96%
Other
37.04%
Sectors
SDSI
Finance
29.58%
Sovereign
18.17%
Other
52.26%
FBND
Sovereign
38.88%
Finance
12.95%
Other
48.17%
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Diversification
SDSI
Total weight of top 15 holdings out of 15
26.83%
FBND
Total weight of top 15 holdings out of 15
22.38%
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%
FBND
US31635A1051
3.27%
USA, Notes 4.125% 15feb2036, USD (B-2036)
2.10%
USA, Notes 4.25% 15aug2035, USD (E-2035)
2.05%
USA, Notes 3.875% 15aug2034, USD (E-2034)
1.70%
USA, Notes 4.375% 15may2036, USD (C-2036)
1.70%
USA, Bonds 4.25% 15feb2054, USD
1.44%
USA, Notes 3.875% 31dec2032, USD (T-2032)
1.41%
USA, Notes 3.75% 31aug2031, USD (P-2031)
1.28%
USA, Bonds 4.5% 15nov2054, USD
1.18%
USA, Notes 4% 31jan2033, USD (G-2033)
1.13%
USA, Notes 4.125% 31mar2032, USD (J-2032)
1.11%
USA, Bonds 4.75% 15aug2055, USD
1.05%
USA, Bonds 5% 15may2056, USD
1.00%
USA, Notes 4.125% 31may2032, USD (L-2032)
0.98%
USA, Bonds 4.75% 15may2055, USD
0.98%
Frequently asked questions about SDSI and FBND
How have the SDSI and FBND ETFs performed in 2026?
As of September 11, 2026, SDSI is up 1.56% year-to-date (YTD), while FBND has lost -1.03%. That puts SDSI better performer ahead so far this year.
Which ETF is attracting more investor money: SDSI or FBND?
Year-to-date, the SDSI ETF saw +$143M in flows, compared to +$5.73B for FBND.
Which ETF is more volatile: SDSI or FBND?
Over the past year, SDSI had a volatility of 1.23%, while FBND experienced 3.53%.
Which ETF is bigger: SDSI or FBND?
As of September 11, 2026, SDSI holds $296.85 M in assets under management (AUM), while FBND manages $28.10 B.
What sectors do the SDSI and FBND ETFs invest in?
SDSI leans toward sectors like Finance and Sovereign. Meanwhile, FBND focuses on Sovereign and Finance.
What are the top holdings of the SDSI ETF and FBND 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. FBND holds in its top three: US31635A1051, USA, Notes 4.125% 15feb2036, USD (B-2036) and USA, Notes 4.25% 15aug2035, USD (E-2035).
Which ETF is more diversified: SDSI or FBND?
SDSI holds 390 securities with 26.83% of its assets in the top 15. FBND has 2143 securities and a top 15 weight of 22.38%.
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Latest news about SDSI & FBND
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