Skip to Content

Big news:Composer has joined SoFi!Read the blog post

American Century ETF Trust American Century Short Duration Strategic Income ETF

SDSI
$
Today’s Change
()

Snapshot
*

Inception Date
Oct 11, 2022
Expense Ratio
0.32%
Type
US Bonds
Fund Owner
American Century Investments
Volume (1m avg. daily)
$119,341
AUM
$35,181,731
Associated Index
None
Inverse/Leveraged
No
Passive/Active
Active
Fractionable on Composer
No
Prospectus

Top 10 Holdings

TREASURY BILL 09/24 0.00000
18.14%
US TREASURY N/B 09/26 4.625
4.82%
SSC GOVERNMENT MM GVMXX
3.5%
US TREASURY N/B 12/24 1
2.84%
US TREASURY N/B 07/26 4.5
1.98%
United States 2 % Treasury Notes 2016-15.11.26 Series F-2026
1.03%
DB5614603
DEUTSCHE BANK NY SR UNSECURED 07/27 VAR
0.86%
MET5464740
MET LIFE GLOB FUNDING I SECURED 144A 08/25 4.05
0.84%
HSBC27C
HSBC Holdings plc - FXDFR NT REDEEM 14/08/2027 USD 200000
0.69%
BXMT LTD BXMT 2021 FL4 AS 144A
0.68%

What is SDSI?

SDSI seeks income and, as a secondary objective, long-term capital appreciation. The strategy will seek to generate attractive yield by investing across multiple fixed income market segments, which maintain a short duration focus. The fund invests in both investment grade and high yield, non money market debt securities. These securities may include corporate bonds and notes, government securities, and securities backed by mortgages or other assets.

1M
3M
6M
YTD
1Y
3Y
Max

SDSI
Performance Measures**

for the time period Oct 13, 2022 to Aug 5, 2026

Returns

1M Trailing Return: 0.2%

The percent change in the value over the most recent 1-month period.

3M Trailing Return: 1.0%

The percent change in the value over the most recent 3-month period.

Measures of Risk or Volatility

Max Drawdown: -1.3%

The greatest percent loss from peak to trough in value over the time period.

Standard Deviation: 2.2%

The typical amount that daily returns vary from the mean of the returns over the time period, standardized to a period of a year.

Measures of Risk-Adjusted Performance

Sharpe Ratio: 2.52

The annualized arithmetic mean of the daily returns divided by the annualized standard deviation of the daily returns for the selected time period.

Calmar Ratio: 4.47

The annualized return divided by the max drawdown for the selected time period.

ETFs related toSDSI

ETFs correlated to SDSI include VCSH, ISTB, BSCQ

SDSI
American Century ETF Trust - American Century Short Duration Strategic Income ETF
VCSH
Vanguard Group, Inc. - Vanguard Short-Term Corporate Bond ETF
ISTB
BlackRock Institutional Trust Company N.A. - iShares Core 1-5 Year USD Bond ETF
BSCQ
Invesco Capital Management LLC - Invesco BulletShares 2026 Corporate Bond ETF
AVSF
American Century ETF Trust - Avantis Short-Term Fixed Income ETF
IGSB
BlackRock Institutional Trust Company N.A. - iShares Trust iShares 1-5 Year Investment Grade Corporate Bond ETF
SUSB
iShares Trust - iShares Trust iShares ESG Aware 1-5 Year USD Corporate Bond ETF
BSV
Vanguard Group, Inc. - Vanguard Short-Term Bond ETF
SPSB
SSgA Active Trust - SPDR Portfolio Short Term Corporate Bond ETF
SLQD
BlackRock Institutional Trust Company N.A. - iShares 0-5 Year Investment Grade Corporate Bond ETF
BSCS
Invesco Exchange-Traded Self-Indexed Fund Trust - Invesco BulletShares 2028 Corporate Bond ETF

What is ETF correlation?

Correlation is a measure of the strength of the relationship between two ETFs. It quantifies the degree to which prices of the two ETFs typically move together.

Here, correlation is measured over the past year with the Pearson correlation coefficient (Pearon’s r), which ranges from -1 to 1.

Using ETF correlations in portfolio and strategy construction

ETF correlations can help you create investing strategies and portfolios. Use them to:

  • Build a diversified portfolio from uncorrelated or inversely correlated ETFs with the aim of minimizing portfolio risk.
  • Compare correlated or related ETFs to find one with a lower expense ratio or higher trading volume.
  • Create an investing strategy that hedges an ETF with an uncorrelated or inversely correlated ETF.

FAQ

SDSI is a US Bonds ETF. SDSI seeks income and, as a secondary objective, long-term capital appreciation. The strategy will seek to generate attractive yield by investing across multiple fixed income market segments, which maintain a short duration focus. The fund invests in both investment grade and high yield, non money market debt securities. These securities may include corporate bonds and notes, government securities, and securities backed by mortgages or other assets.

Yes, SDSI is actively managed. In an actively managed fund, the fund manager makes decisions about how funds are invested. A passively managed fund typically tries to track or follow a market index.

No, SDSI is not passively managed. It is actively managed. A passively managed fund typically tries to track or follow a market index. In an actively managed fund, the fund manager makes decisions about how funds are invested.

The 1-month return on SDSI is 0.0021%. This is the percent change in the value of SDSI over the most recent 1-month period. The 3-month return on SDSI is 0.0073%. This is the percent change in the value of SDSI over the most recent 3-month period.

ETFs similar to SDSI include GVI, BLV, and BND.

ETFs correlated to SDSI include VCSH, ISTB, and BSCQ.

ETFs that are inversely correlated to SDSI include PST, TBX, and TTT.

Disclaimers

*

We show information directly obtained from our data provider, Xignite. Data shown here is provided by Xignite, an unaffiliated third party. Composer believes the information shown here is reliable, but has not been verified and there is no guarantee that the information is accurate.

**

We show information based on calculations performed by Composer using data from our provider. Information provided here is based on calculations performed by Composer using data sourced from Xignite, an unaffiliated third party. Composer believes this information is reliable, but has not verified the data and there is no guarantee that the calculations are accurate.

Securities products and brokerage services are offered by Composer Securities LLC, a broker-dealer registered with the SEC and member of FINRA / SIPC. Composer Securities LLC and Composer Technologies Inc. are separate but affiliated companies. Accounts are carried and securities execution, clearance and settlement services are provided by Alpaca Securities LLC, and Apex Clearing Corporation, SEC-registered broker-dealers and members of FINRA / SIPC. Alpaca Securities is a wholly-owned subsidiary of AlpacaDB, Inc. Apex Clearing Corporation, is a wholly-owned subsidiary of Apex Fintech Solutions Inc. Check the background of Composer Securities LLC, Alpaca Securities LLC, and Apex Clearing Corporation on FINRA BrokerCheck . This is not an offer, solicitation of an offer, or advice to buy or sell securities or open a brokerage account in any jurisdiction where Composer Securities is not registered. Securities products offered by Composer Securities are not FDIC insured

With any investment, your capital is at risk. The value of your portfolio with Composer can go down as well as up. Past performance is no guarantee of future results. By using this website, you accept our Terms of Service, Privacy Policy, and Payment Agreement.

Please see Composer Securities' Customer Relationship Summary.

Keep in mind, investing involves risk. Examples are for illustrative purposes and are not a recommendation, an offer to sell, or a solicitation of an offer to buy any security. Past performance is no guarantee of future results.

Online trading has inherent risk due to system response, execution price, speed, liquidity, market data and access times that may vary due to market conditions, system performance, market volatility, size and type of order and other factors. An investor should understand these and additional risks before trading.

Options trading involves significant risk and is not appropriate for all investors. Prior to buying or selling an option with Composer Securities LLC, please read the "Characteristics and Risks of Standardized Options," also known as the Options Disclosure Document (ODD). You can access the ODD by clicking here. Options transactions are often complex and can expose investors to potentially rapid and substantial losses. In some cases, you may lose your entire investment in a relatively short period. Furthermore, certain complex options strategies carry additional risk, including the potential for losses that may exceed your original investment amount.

Please read important legal disclosures.

Composer Securities does not provide tax advice. This material is for informational purposes only and is not intended to be a substitute for consultation with a qualified tax professional before making any investment decisions.

The cash sweep program is made available in coordination with Apex Clearing Corporation through Composer Securities. Please read the Important Disclosures for more information.

Composer Securities is a member of SIPC, which protects securities customers of its members up to $500,000 (including $250,000 for claims for cash). Explanatory brochure available upon request or at www.sipc.org. SIPC does not protect against market losses.

Securities products are: Not FDIC insured · Not bank guaranteed · May lose value

Trademarks and logos are the property of their respective owners and do not represent endorsements of any kind. Unless otherwise noted, Composer Technologies Inc., Composer Securities LLC, and its affiliates are not partners, affiliates, or licensees of these companies.

Market data refreshed at least every 15 minutes unless otherwise indicated. Market data provided by Xignite.

© 2026 All rights reserved.