KORP vs. SKOR
KORP (American Century Diversified Corporate Bond ETF) and SKOR (FlexShares Credit-Scored US Corporate Bond Index Fund) are both Corporate Bonds funds. KORP is actively managed, while SKOR is passively managed. Over the past 5 years, KORP returned 1.76%/yr vs 1.78%/yr for SKOR. Their correlation of 0.85 suggests significant overlap in exposure. KORP charges 0.29%/yr vs 0.22%/yr for SKOR.
Performance
KORP vs. SKOR - Performance Comparison
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Returns By Period
In the year-to-date period, KORP achieves a 0.69% return, which is significantly higher than SKOR's 0.33% return.
KORP
- 1D
- -0.23%
- 1M
- 0.60%
- YTD
- 0.69%
- 6M
- 0.54%
- 1Y
- 6.42%
- 3Y*
- 5.79%
- 5Y*
- 1.76%
- 10Y*
- —
SKOR
- 1D
- -0.13%
- 1M
- 0.27%
- YTD
- 0.33%
- 6M
- 0.53%
- 1Y
- 5.29%
- 3Y*
- 5.88%
- 5Y*
- 1.78%
- 10Y*
- 2.85%
KORP vs. SKOR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
KORP American Century Diversified Corporate Bond ETF | 0.69% | 8.14% | 3.82% | 7.40% | -10.04% | -0.55% | 6.99% | 10.08% | -1.20% |
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund | 0.33% | 7.99% | 4.42% | 7.64% | -9.88% | -1.40% | 8.84% | 10.69% | -0.70% |
Correlation
The correlation between KORP and SKOR is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.94 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Jan 17, 2018 | 0.85 |
The correlation between KORP and SKOR shifts across timeframes, from 0.85 (all time) to 0.95 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
KORP vs. SKOR — Risk / Return Rank
KORP
SKOR
KORP vs. SKOR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Diversified Corporate Bond ETF (KORP) and FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR). 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.
| KORP | SKOR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.47 | ||
| Sortino ratioReturn per unit of downside risk | -0.76 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.36 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 2.00 | 2.54 | -0.54 |
| Martin ratioReturn relative to average drawdown | 6.64 | 9.09 | -2.45 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| KORP | SKOR | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.48 | 1.95 | -0.47 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.33 | 0.41 | -0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.58 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.63 | -0.05 |
Drawdowns
KORP vs. SKOR - Drawdown Comparison
The maximum KORP drawdown since its inception was -14.90%, smaller than the maximum SKOR drawdown of -15.98%. Use the drawdown chart below to compare losses from any high point for KORP and SKOR.
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Drawdown Indicators
| KORP | SKOR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.90% | -15.98% | +1.08% |
Max Drawdown (1Y)Largest decline over 1 year | -3.22% | -2.09% | -1.13% |
Max Drawdown (3Y)Largest decline over 3 years | -5.04% | -3.11% | -1.93% |
Max Drawdown (5Y)Largest decline over 5 years | -14.90% | -15.13% | +0.23% |
Max Drawdown (10Y)Largest decline over 10 years | — | -15.98% | — |
Current DrawdownCurrent decline from peak | -1.07% | -0.78% | -0.29% |
Average DrawdownAverage peak-to-trough decline | -3.23% | -2.65% | -0.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.97% | 0.58% | +0.39% |
Volatility
KORP vs. SKOR - Volatility Comparison
American Century Diversified Corporate Bond ETF (KORP) has a higher volatility of 1.44% compared to FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR) at 0.85%. This indicates that KORP's price experiences larger fluctuations and is considered to be riskier than SKOR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| KORP | SKOR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.44% | 0.85% | +0.59% |
Volatility (6M)Calculated over the trailing 6-month period | 3.29% | 1.99% | +1.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.36% | 2.72% | +1.64% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.36% | 4.42% | +0.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.92% | 4.90% | +0.02% |
KORP vs. SKOR - Expense Ratio Comparison
KORP has a 0.29% expense ratio, which is higher than SKOR's 0.22% expense ratio.
Dividends
KORP vs. SKOR - Dividend Comparison
KORP's dividend yield for the trailing twelve months is around 4.69%, which matches SKOR's 4.67% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
KORP American Century Diversified Corporate Bond ETF | 4.69% | 4.98% | 5.08% | 4.42% | 2.89% | 1.86% | 3.22% | 3.20% | 2.97% | 0.00% | 0.00% | 0.00% |
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund | 4.67% | 4.70% | 4.90% | 3.90% | 2.57% | 2.55% | 3.38% | 3.53% | 2.85% | 2.46% | 2.74% | 2.25% |
Frequently Asked Questions
With a correlation of 0.94, KORP and SKOR move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
KORP has higher volatility (1.44%) compared to SKOR (0.85%). In terms of maximum drawdown, KORP dropped -14.90% vs SKOR's -15.98%.
On 5-year performance, SKOR leads with 1.78% vs 1.76% for KORP. On fees, SKOR is cheaper at 0.22% per year. On volatility, SKOR has been the lower-risk option at 0.85%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, SKOR has performed better with a 1.78% return vs 1.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SKOR is cheaper with a 0.22% expense ratio, compared with 0.29% for KORP.
KORP has the higher dividend yield at 4.69%, compared with 4.67% for SKOR.
They also come from different issuers: American Century and Northern Trust. Their fees differ too: 0.29% for KORP and 0.22% for SKOR.
SKOR currently has the higher Sharpe Ratio (1.95 vs 1.48), 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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