SDSIvsPTRBETF 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 PGIM Total Return Bond ETF (PTRB) belong to the same industry segment: Intl Aggregate Bonds. SDSI's top 3 sector exposures are Finance, Sovereign and Energy. In contrast, PTRB's top sector exposures are Sovereign, Finance and Industrials. SDSI is less expensive with a Total Expense Ratio (TER) of 0.32%, versus 0.5% for PTRB. SDSI is up 1.56% year-to-date (YTD) with +$143M in YTD flows. PTRB performs worse with -1.13% YTD performance, and +$519M in YTD flows. Run a side-by-side ETF comparison of SDSI and PTRB 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 PTRB 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 PTRB | -0.28%-0.91% | +0.26%-1.22% | +1.56%-1.13% | +2.99%-0.24% | +18.07%+15.30% | n/an/a |
| Flows | SDSI PTRB | +$26M+$12M | +$79M+$160M | +$143M+$519M | +$231M+$649M | +$264M+$1.08B | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SDSI PTRB | +1.28%+3.96% | +1.23%+3.90% | +1.67%+5.06% | n/an/a |
| Max drawdown | SDSI PTRB | -0.56%-2.38% | -1.10%-3.05% | -1.10%-4.40% | n/an/a |
| Max drawdown duration | SDSI PTRB | 17d73d | 52d193d | 52d280d | n/an/a |
Trading data
SDSI | PTRB | |
Last sale 9/11/2026 at 1:30 PM | $50.74 | $40.28 |
| Previous close 09/10/2026 | $50.81 | $40.31 |
| 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 | PTRB | |
|---|---|---|
| Last price | $50.74 | $40.28 |
| 1D performance | -0.14% | -0.07% |
| AuM | $296.85 M | $1.15 B |
| E/R | 0.32% | 0.5% |
Characteristics
SDSI | PTRB | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | American Century Investments | PGIM |
| Benchmark | - | - |
| N° of holdings | 225 | 1744 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 11, 2022 | December 8, 2021 |
| ESG | No | No |
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Exposure
Countries
SDSI
USA
60.95%
Other
39.05%
PTRB
USA
62.88%
Other
37.12%
Sectors
SDSI
Finance
29.58%
Sovereign
18.17%
Other
52.26%
PTRB
Sovereign
32.51%
Finance
11.24%
Industrials
10.57%
Other
45.68%
Diversification
SDSI
Total weight of top 15 holdings out of 15
26.83%
PTRB
Total weight of top 15 holdings out of 15
24.51%
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%
PTRB
USA, Bonds 4.125% 15aug2044, USD
3.16%
USA, Notes 3.75% 30nov2032, USD (S-2032)
2.84%
USA, Notes 3.625% 31dec2030, USD (AH-2030)
2.67%
USA, Bonds 4.625% 15nov2044, USD
2.65%
USA, Notes 4% 31jan2033, USD (G-2033)
2.24%
USA, Bonds 4.625% 15nov2045, USD
1.89%
PGIM Core Government Money Market Fund
1.44%
USA, Notes 3.5% 15dec2028, USD (AV-2028)
1.33%
US01F0526982
1.14%
XS3430824105
1.02%
USA, Notes 3.875% 15aug2033, USD (E-2033)
0.96%
USA, Bonds 4% 15nov2042, USD
0.91%
US149931AC13
0.80%
USA, Bonds 3% 15feb2049, USD
0.75%
USA, Notes 3.375% 29feb2028, USD (AY-2028)
0.71%
Frequently asked questions about SDSI and PTRB
How have the SDSI and PTRB ETFs performed in 2026?
As of September 11, 2026, SDSI is up 1.56% year-to-date (YTD), while PTRB has lost -1.13%. That puts SDSI better performer ahead so far this year.
Which ETF is attracting more investor money: SDSI or PTRB?
Year-to-date, the SDSI ETF saw +$143M in flows, compared to +$519M for PTRB.
Which ETF is more volatile: SDSI or PTRB?
Over the past year, SDSI had a volatility of 1.23%, while PTRB experienced 3.9%.
Which ETF is bigger: SDSI or PTRB?
As of September 11, 2026, SDSI holds $296.85 M in assets under management (AUM), while PTRB manages $1.15 B.
What sectors do the SDSI and PTRB ETFs invest in?
SDSI leans toward sectors like Finance and Sovereign. Meanwhile, PTRB focuses on Sovereign, Finance and Industrials.
What are the top holdings of the SDSI ETF and PTRB 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. PTRB holds in its top three: USA, Bonds 4.125% 15aug2044, USD, USA, Notes 3.75% 30nov2032, USD (S-2032) and USA, Notes 3.625% 31dec2030, USD (AH-2030).
Which ETF is more diversified: SDSI or PTRB?
SDSI holds 390 securities with 26.83% of its assets in the top 15. PTRB has 2340 securities and a top 15 weight of 24.51%.
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Latest news about SDSI & PTRB
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