BSVvsSDSIETF Comparison
VS
ETF 2
SDSI
American Century Short Duration Strategic Income ETF
This fund is part of
Intl Aggregate Bonds
-0.25%
Vanguard Short-Term Bond ETF (BSV) belongs to the US Government Bonds segment. American Century Short Duration Strategic Income ETF (SDSI) is part of the Intl Aggregate Bonds segment. BSV's top 3 sector exposures are Sovereign, Finance and Technology. In contrast, SDSI's top sector exposures are Finance, Sovereign and Energy. BSV is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.32% for SDSI. BSV is down -0.11% year-to-date (YTD) with +$5.22B in YTD flows. SDSI performs better with 1.4% YTD performance, and +$143M in YTD flows. Run a side-by-side ETF comparison of BSV and SDSI 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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BSV vs SDSI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BSV SDSI | -0.97%-0.58% | -0.44%+0.07% | -0.11%+1.40% | +1.01%+2.76% | +13.57%+17.86% | +7.84%n/a |
| Flows | BSV SDSI | +$563M+$26M | +$2.60B+$66M | +$5.22B+$143M | +$8.65B+$231M | +$13.00B+$264M | +$8.08B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BSV SDSI | +1.81%+1.23% | +1.76%+1.24% | +2.24%+1.68% | +2.75%n/a |
| Max drawdown | BSV SDSI | -1.10%-0.72% | -1.29%-1.10% | -1.49%-1.10% | -8.31%n/a |
| Max drawdown duration | BSV SDSI | 24d24d | 176d52d | 150d52d | 1028dn/a |
Trading data
BSV | SDSI | |
Last sale 9/21/2026 at 1:30 PM | $76.70 | $50.67 |
| Previous close 09/18/2026 | $76.65 | $50.67 |
| Consolidated volume 09/18/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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SDSI
is actively managed and doesn’t replicate an indexBSV | SDSI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Main metrics
Last update 9/21/2026 at 1:30 PM
Live
Closed
BSV | SDSI | |
|---|---|---|
| Last price | $76.70 | $50.67 |
| 1D performance | +0.07% | +0.01% |
| AuM | $46.36 B | $296.38 M |
| E/R | 0.03% | 0.32% |
Characteristics
BSV | SDSI | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Vanguard | American Century Investments |
| Benchmark | Bloomberg U.S. 1–5 Year Government/Credit Float Adjusted Index | - |
| N° of holdings | 3162 | 225 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 3, 2007 | October 11, 2022 |
| ESG | No | No |
Exposure
Countries
BSV
USA
90.6%
Other
9.4%
SDSI
USA
60.95%
Other
39.05%
Sectors
BSV
Sovereign
69.9%
Finance
14.95%
Other
15.15%
SDSI
Finance
29.58%
Sovereign
18.17%
Other
52.26%
Diversification
BSV
Total weight of top 15 holdings out of 15
12.56%
SDSI
Total weight of top 15 holdings out of 15
26.83%
Top 15 holdings
Data as of July 31, 2026
BSV
USA, Notes 4.375% 31jul2031, USD (AB-2031)
1.41%
USA, Notes 3.5% 31jan2028, USD (U-2028)
1.10%
USA, Notes 3.375% 31dec2027, USD (BM-2027)
0.88%
USA, Notes 4% 28feb2030, USD (H-2030)
0.86%
USA, Notes 4.125% 30jun2028, USD (BD-2028)
0.86%
USA, Notes 0.875% 15nov2030, USD (F-2030)
0.78%
USA, Notes 3.875% 31mar2028, USD (AZ-2028)
0.77%
USA, Notes 4.375% 31dec2029, USD (AH-2029)
0.75%
USA, Notes 1.125% 15feb2031, USD (B-2031)
0.75%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
0.74%
USA, Notes 0.625% 15aug2030, USD (E-2030)
0.74%
USA, Notes 4.125% 31may2031, USD (Z-2031)
0.74%
USA, Notes 3.5% 30sep2029, USD (AD-2029)
0.72%
USA, Notes 1.625% 15may2031, USD (C-2031)
0.72%
USA, Notes 4.25% 31jul2028, USD (BE-2028)
0.72%
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%
Frequently asked questions about BSV and SDSI
How have the BSV and SDSI ETFs performed in 2026?
As of September 18, 2026, BSV is down -0.11% year-to-date (YTD), while SDSI has returned 1.4%. That puts SDSI better performer ahead so far this year.
Which ETF is attracting more investor money: BSV or SDSI?
Year-to-date, the BSV ETF saw +$5.22B in flows, compared to +$143M for SDSI.
Which ETF is more volatile: BSV or SDSI?
Over the past year, BSV had a volatility of 1.76%, while SDSI experienced 1.24%.
Which ETF is bigger: BSV or SDSI?
As of September 18, 2026, BSV holds $46.36 B in assets under management (AUM), while SDSI manages $296.38 M.
What sectors do the BSV and SDSI ETFs invest in?
BSV leans toward sectors like Sovereign and Finance. Meanwhile, SDSI focuses on Finance and Sovereign.
What are the top holdings of the BSV ETF and SDSI ETF?
BSV top holdings include USA, Notes 4.375% 31jul2031, USD (AB-2031), USA, Notes 3.5% 31jan2028, USD (U-2028) and USA, Notes 3.375% 31dec2027, USD (BM-2027). SDSI holds in its top three: USA, Notes 4% 31oct2029, USD (R-2029), USA, Notes 4.25% 31jul2028, USD (BE-2028) and State Street Institutional US Government Money Market Fund.
Which ETF is more diversified: BSV or SDSI?
BSV holds 3166 securities with 12.56% of its assets in the top 15. SDSI has 390 securities and a top 15 weight of 26.83%.
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