SDSIvsMUSIETF 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 American Century Multisector Income ETF (MUSI) belong to the same industry segment: Intl Aggregate Bonds. SDSI's top 3 sector exposures are Finance, Sovereign and Energy. In contrast, MUSI's top sector exposures are Finance, Sovereign and Industrials. SDSI is less expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.38% for MUSI. SDSI is up 1.56% year-to-date (YTD) with +$143M in YTD flows. MUSI performs worse with -0.52% YTD performance, and +$81M in YTD flows. Run a side-by-side ETF comparison of SDSI and MUSI below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
SDSI vs MUSI 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 MUSI | -0.28%-1.09% | +0.26%-1.34% | +1.56%-0.52% | +2.99%+0.47% | +18.07%+19.64% | n/a+8.83% |
| Flows | SDSI MUSI | +$26M+$11M | +$79M+$35M | +$143M+$81M | +$231M+$105M | +$264M+$104M | -+$200M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SDSI MUSI | +1.28%+3.19% | +1.23%+3.02% | +1.67%+3.91% | n/a+4.21% |
| Max drawdown | SDSI MUSI | -0.56%-1.89% | -1.10%-2.65% | -1.10%-2.85% | n/a-13.69% |
| Max drawdown duration | SDSI MUSI | 17d74d | 52d194d | 52d81d | n/a1051d |
Trading data
SDSI | MUSI | |
Last sale 9/11/2026 at 1:30 PM | $50.74 | $42.47 |
| Previous close 09/10/2026 | $50.81 | $42.51 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
SDSI | MUSI | |
|---|---|---|
| Last price | $50.74 | $42.47 |
| 1D performance | -0.14% | -0.11% |
| AuM | $296.85 M | $261.02 M |
| E/R | 0.32% | 0.38% |
Characteristics
SDSI | MUSI | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | American Century Investments |
| Benchmark | - | - |
| N° of holdings | 225 | 273 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 11, 2022 | July 1, 2021 |
| ESG | No | No |
Advertisement
Exposure
Countries
SDSI
USA
60.95%
Other
39.05%
MUSI
USA
44.35%
Other
55.65%
Sectors
SDSI
Finance
29.58%
Sovereign
18.17%
Other
52.26%
MUSI
Finance
17.68%
Sovereign
11.68%
Other
70.64%
Advertisement
Diversification
SDSI
Total weight of top 15 holdings out of 15
26.83%
MUSI
Total weight of top 15 holdings out of 15
15.87%
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%
MUSI
USA, Notes 4.125% 31may2031, USD (Z-2031)
3.65%
USA, Bonds 4.75% 15feb2056, USD
2.71%
FR SD8474, 5% 1nov2054, USD (ABS)
1.86%
USA, Notes 4.25% 31may2033, USD (L-2033)
1.24%
USA, Notes 4.125% 30jun2028, USD (BD-2028)
1.13%
USA, Notes 4.125% 30jun2031, USD (AA-2031)
1.06%
USA, Notes 4.625% 15sep2026, USD (AS-2026)
0.64%
USA, Notes 4.375% 31jul2031, USD (AB-2031)
0.54%
Bank of Montreal, 7.7% 26may2084, USD
0.53%
Ladder Capital Finance Corp., 7% 15jul2031, USD
0.49%
Build NYC Resource Corp., 7% 15dec2030, USD (2026C)
0.44%
BNP Paribas, 8.5% perp., USD
0.42%
UBS Group, 9.25% perp., USD
0.39%
Amazon.com, 4.55% 13mar2033, USD
0.38%
US729906AH00
0.38%
Frequently asked questions about SDSI and MUSI
How have the SDSI and MUSI ETFs performed in 2026?
As of September 11, 2026, SDSI is up 1.56% year-to-date (YTD), while MUSI has lost -0.52%. That puts SDSI better performer ahead so far this year.
Which ETF is attracting more investor money: SDSI or MUSI?
Year-to-date, the SDSI ETF saw +$143M in flows, compared to +$81M for MUSI.
Which ETF is more volatile: SDSI or MUSI?
Over the past year, SDSI had a volatility of 1.23%, while MUSI experienced 3.02%.
Which ETF is bigger: SDSI or MUSI?
As of September 11, 2026, SDSI holds $296.85 M in assets under management (AUM), while MUSI manages $261.02 M.
What sectors do the SDSI and MUSI ETFs invest in?
SDSI leans toward sectors like Finance and Sovereign. Meanwhile, MUSI focuses on Finance and Sovereign.
What are the top holdings of the SDSI ETF and MUSI 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. MUSI holds in its top three: USA, Notes 4.125% 31may2031, USD (Z-2031), USA, Bonds 4.75% 15feb2056, USD and FR SD8474, 5% 1nov2054, USD (ABS).
Which ETF is more diversified: SDSI or MUSI?
SDSI holds 390 securities with 26.83% of its assets in the top 15. MUSI has 398 securities and a top 15 weight of 15.87%.
Advertisement
Advertisement
