KORP vs. SDSI
KORP (American Century Diversified Corporate Bond ETF) and SDSI (American Century Short Duration Strategic Income ETF) are both exchange-traded funds - KORP is a Corporate Bonds fund actively managed by American Century, while SDSI is a Short-Term Bond fund tracking the Bloomberg U.S. 1-3 Year Government/Credit Bond Index. KORP is actively managed, while SDSI is passively managed. Over the past 3 years, KORP returned 5.98%/yr vs 5.85%/yr for SDSI. A 0.78 correlation means they provide meaningful diversification when combined. KORP charges 0.29%/yr vs 0.33%/yr for SDSI.
Performance
KORP vs. SDSI - Performance Comparison
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Returns By Period
In the year-to-date period, KORP achieves a 1.01% return, which is significantly lower than SDSI's 1.35% return.
KORP
- 1D
- 0.07%
- 1M
- 0.91%
- YTD
- 1.01%
- 6M
- 1.14%
- 1Y
- 5.48%
- 3Y*
- 5.98%
- 5Y*
- 1.79%
- 10Y*
- —
SDSI
- 1D
- 0.07%
- 1M
- 0.36%
- YTD
- 1.35%
- 6M
- 1.54%
- 1Y
- 4.84%
- 3Y*
- 5.85%
- 5Y*
- —
- 10Y*
- —
KORP vs. SDSI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
KORP American Century Diversified Corporate Bond ETF | 1.01% | 8.14% | 3.82% | 7.40% | 3.14% |
SDSI American Century Short Duration Strategic Income ETF | 1.35% | 6.54% | 5.63% | 5.88% | 1.99% |
Correlation
The correlation between KORP and SDSI is 0.70, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.70 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (All Time) Calculated using the full available price history since Oct 13, 2022 | 0.78 |
The correlation between KORP and SDSI has been stable across timeframes, ranging from 0.70 to 0.78 - a consistent structural relationship.
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Return for Risk
KORP vs. SDSI — Risk / Return Rank
KORP
SDSI
KORP vs. SDSI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Diversified Corporate Bond ETF (KORP) and American Century Short Duration Strategic Income ETF (SDSI). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| KORP | SDSI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.75 | ||
| Sortino ratioReturn per unit of downside risk | -2.72 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.61 | -0.39 |
| Calmar ratioReturn relative to maximum drawdown | 1.71 | 4.15 | -2.45 |
| Martin ratioReturn relative to average drawdown | 5.54 | 19.56 | -14.03 |
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Drawdowns
KORP vs. SDSI - Drawdown Comparison
The maximum KORP drawdown since its inception was -14.90%, which is greater than SDSI's maximum drawdown of -1.29%. Use the drawdown chart below to compare losses from any high point for KORP and SDSI.
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Drawdown Indicators
| KORP | SDSI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.90% | -1.29% | -13.61% |
Max Drawdown (1Y)Largest decline over 1 year | -3.22% | -1.17% | -2.05% |
Max Drawdown (3Y)Largest decline over 3 years | -5.04% | -1.29% | -3.75% |
Max Drawdown (5Y)Largest decline over 5 years | -14.90% | — | — |
Current DrawdownCurrent decline from peak | -0.75% | -0.07% | -0.68% |
Average DrawdownAverage peak-to-trough decline | -3.23% | -0.24% | -2.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 0.25% | +0.74% |
Volatility
KORP vs. SDSI - Volatility Comparison
American Century Diversified Corporate Bond ETF (KORP) has a higher volatility of 1.14% compared to American Century Short Duration Strategic Income ETF (SDSI) at 0.49%. This indicates that KORP's price experiences larger fluctuations and is considered to be riskier than SDSI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| KORP | SDSI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.14% | 0.49% | +0.65% |
Volatility (6M)Calculated over the trailing 6-month period | 3.36% | 1.20% | +2.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.31% | 1.61% | +2.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.37% | 2.27% | +3.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.91% | 2.27% | +2.64% |
KORP vs. SDSI - Expense Ratio Comparison
KORP has a 0.29% expense ratio, which is lower than SDSI's 0.33% expense ratio.
Dividends
KORP vs. SDSI - Dividend Comparison
KORP's dividend yield for the trailing twelve months is around 5.09%, more than SDSI's 4.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
KORP American Century Diversified Corporate Bond ETF | 5.09% | 4.98% | 5.08% | 4.42% | 2.89% | 1.86% | 3.22% | 3.20% | 2.97% |
SDSI American Century Short Duration Strategic Income ETF | 4.78% | 4.91% | 5.49% | 5.37% | 0.98% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
KORP and SDSI have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KORP has higher volatility (1.14%) compared to SDSI (0.49%). In terms of maximum drawdown, KORP dropped -14.90% vs SDSI's -1.29%.
On 3-year performance, KORP leads with 5.98% vs 5.85% for SDSI. On fees, KORP is cheaper at 0.29% per year. On volatility, SDSI has been the lower-risk option at 0.49%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, KORP has performed better with a 5.98% return vs 5.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
KORP is cheaper with a 0.29% expense ratio, compared with 0.33% for SDSI.
KORP has the higher dividend yield at 5.09%, compared with 4.78% for SDSI.
KORP is categorized as Corporate Bonds, while SDSI is Short-Term Bond. Their fees differ too: 0.29% for KORP and 0.33% for SDSI.
SDSI currently has the higher Sharpe Ratio (3.02 vs 1.28), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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