American Century Short Duration Strategic Income ETF (SDSI)

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

The chart shows the growth of an initial investment of $10,000 in American Century Short Duration Strategic Income ETF, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

American Century Short Duration Strategic Income ETF (SDSI) has returned 0.25% so far this year and 4.98% over the past 12 months.

Based on dividend-adjusted daily data since Oct 13, 2022, SDSI's average daily return is +0.02%, while the average monthly return is +0.47%. At this rate, your investment would double in approximately 12.3 years.

Historically, 81% of months were positive and 19% were negative. The best month was Nov 2023 with a return of +1.6%, while the worst month was Mar 2026 at -0.7%. The longest winning streak lasted 16 consecutive months, and the longest losing streak was 2 months.

On a daily basis, SDSI closed higher 58% of trading days. The best single day was Apr 11, 2025 with a return of +1.0%, while the worst single day was Apr 7, 2025 at -1.1%.

American Century Short Duration Strategic Income ETF has an annualized alpha of 5.29%, beta of 0.03, and R² of 0.06 versus S&P 500 Index. Calculated based on daily prices since October 14, 2022.

• This ETF captured 15.83% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -4.25%) — a profile typical of hedging or uncorrelated assets.
• Beta of 0.03 may look defensive, but with R² of 0.06 this ETF is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
• R² of 0.06 means this ETF moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

SDSI has an expense ratio of 0.33%, placing it in the medium range.

SDSI ranks 94 for risk / return — in the top 94% of ETFs on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.

The table below present risk-adjusted performance metrics for American Century Short Duration Strategic Income ETF (SDSI) and compare them to a chosen benchmark (S&P 500 Index).

American Century Short Duration Strategic Income ETF provided a 4.94% dividend yield over the last twelve months, with an annual payout of $2.53 per share.

The table displays the monthly dividend distributions for American Century Short Duration Strategic Income ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the American Century Short Duration Strategic Income ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the American Century Short Duration Strategic Income ETF was 1.29%, occurring on Jul 6, 2023. Recovery took 66 trading sessions.

The current American Century Short Duration Strategic Income ETF drawdown is 0.68%.

The chart below shows the rolling one-month volatility.