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SDSI vs. DRSK
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between SDSI and DRSK is 0.61, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.


-0.50.00.51.00.6

Performance

SDSI vs. DRSK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Short Duration Strategic Income ETF (SDSI) and Aptus Defined Risk ETF (DRSK). The values are adjusted to include any dividend payments, if applicable.

0.00%1.00%2.00%3.00%4.00%5.00%AugustSeptemberOctoberNovemberDecember2025
2.74%
3.29%
SDSI
DRSK

Key characteristics

Sharpe Ratio

SDSI:

3.15

DRSK:

1.70

Sortino Ratio

SDSI:

4.89

DRSK:

2.53

Omega Ratio

SDSI:

1.64

DRSK:

1.31

Calmar Ratio

SDSI:

6.26

DRSK:

1.34

Martin Ratio

SDSI:

16.56

DRSK:

9.50

Ulcer Index

SDSI:

0.36%

DRSK:

1.33%

Daily Std Dev

SDSI:

1.89%

DRSK:

7.44%

Max Drawdown

SDSI:

-1.29%

DRSK:

-19.87%

Current Drawdown

SDSI:

-0.12%

DRSK:

-2.06%

Returns By Period

In the year-to-date period, SDSI achieves a 0.35% return, which is significantly lower than DRSK's 0.44% return.


SDSI

YTD

0.35%

1M

0.66%

6M

2.74%

1Y

5.87%

5Y*

N/A

10Y*

N/A

DRSK

YTD

0.44%

1M

-0.70%

6M

3.29%

1Y

12.23%

5Y*

3.34%

10Y*

N/A

*Annualized

Compare stocks, funds, or ETFs

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


SDSI vs. DRSK - Expense Ratio Comparison

SDSI has a 0.33% expense ratio, which is lower than DRSK's 0.79% expense ratio.


DRSK
Aptus Defined Risk ETF
Expense ratio chart for DRSK: current value at 0.79% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.79%
Expense ratio chart for SDSI: current value at 0.33% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.33%

Risk-Adjusted Performance

SDSI vs. DRSK — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SDSI
The Risk-Adjusted Performance Rank of SDSI is 9696
Overall Rank
The Sharpe Ratio Rank of SDSI is 9797
Sharpe Ratio Rank
The Sortino Ratio Rank of SDSI is 9797
Sortino Ratio Rank
The Omega Ratio Rank of SDSI is 9797
Omega Ratio Rank
The Calmar Ratio Rank of SDSI is 9797
Calmar Ratio Rank
The Martin Ratio Rank of SDSI is 9090
Martin Ratio Rank

DRSK
The Risk-Adjusted Performance Rank of DRSK is 6767
Overall Rank
The Sharpe Ratio Rank of DRSK is 6969
Sharpe Ratio Rank
The Sortino Ratio Rank of DRSK is 7373
Sortino Ratio Rank
The Omega Ratio Rank of DRSK is 6969
Omega Ratio Rank
The Calmar Ratio Rank of DRSK is 5151
Calmar Ratio Rank
The Martin Ratio Rank of DRSK is 7272
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

SDSI vs. DRSK - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Short Duration Strategic Income ETF (SDSI) and Aptus Defined Risk ETF (DRSK). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.


Sharpe ratio
The chart of Sharpe ratio for SDSI, currently valued at 3.15, compared to the broader market0.002.004.003.151.70
The chart of Sortino ratio for SDSI, currently valued at 4.89, compared to the broader market0.005.0010.004.892.53
The chart of Omega ratio for SDSI, currently valued at 1.64, compared to the broader market1.002.003.001.641.31
The chart of Calmar ratio for SDSI, currently valued at 6.26, compared to the broader market0.005.0010.0015.006.263.32
The chart of Martin ratio for SDSI, currently valued at 16.56, compared to the broader market0.0020.0040.0060.0080.00100.0016.569.50
SDSI
DRSK

The current SDSI Sharpe Ratio is 3.15, which is higher than the DRSK Sharpe Ratio of 1.70. The chart below compares the historical Sharpe Ratios of SDSI and DRSK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio1.002.003.004.005.00AugustSeptemberOctoberNovemberDecember2025
3.15
1.70
SDSI
DRSK

Dividends

SDSI vs. DRSK - Dividend Comparison

SDSI's dividend yield for the trailing twelve months is around 5.47%, more than DRSK's 3.29% yield.


TTM2024202320222021202020192018
SDSI
American Century Short Duration Strategic Income ETF
5.47%5.49%5.37%0.98%0.00%0.00%0.00%0.00%
DRSK
Aptus Defined Risk ETF
3.29%3.31%3.57%1.93%2.64%5.69%3.04%2.62%

Drawdowns

SDSI vs. DRSK - Drawdown Comparison

The maximum SDSI drawdown since its inception was -1.29%, smaller than the maximum DRSK drawdown of -19.87%. Use the drawdown chart below to compare losses from any high point for SDSI and DRSK. For additional features, visit the drawdowns tool.


-4.00%-3.00%-2.00%-1.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-0.12%
-2.06%
SDSI
DRSK

Volatility

SDSI vs. DRSK - Volatility Comparison

The current volatility for American Century Short Duration Strategic Income ETF (SDSI) is 0.56%, while Aptus Defined Risk ETF (DRSK) has a volatility of 2.37%. This indicates that SDSI experiences smaller price fluctuations and is considered to be less risky than DRSK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.50%1.00%1.50%2.00%2.50%3.00%AugustSeptemberOctoberNovemberDecember2025
0.56%
2.37%
SDSI
DRSK
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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