KORP vs. SPAB
Compare and contrast key facts about American Century Diversified Corporate Bond ETF (KORP) and SPDR Portfolio Aggregate Bond ETF (SPAB).
KORP and SPAB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. KORP is an actively managed fund by American Century. It was launched on Jan 11, 2018. SPAB is a passively managed fund by State Street that tracks the performance of the Bloomberg U.S. Aggregate Bond Index. It was launched on May 23, 2007.
Performance
KORP vs. SPAB - Performance Comparison
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KORP vs. SPAB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
KORP American Century Diversified Corporate Bond ETF | -0.52% | 8.14% | 3.82% | 7.40% | -10.04% | -0.55% | 6.99% | 10.08% | -1.20% |
SPAB SPDR Portfolio Aggregate Bond ETF | 0.13% | 7.25% | 1.25% | 5.56% | -13.04% | -1.77% | 7.39% | 8.67% | 0.24% |
Returns By Period
In the year-to-date period, KORP achieves a -0.52% return, which is significantly lower than SPAB's 0.13% return.
KORP
- 1D
- 0.56%
- 1M
- -2.22%
- YTD
- -0.52%
- 6M
- 0.46%
- 1Y
- 4.87%
- 3Y*
- 5.21%
- 5Y*
- 1.80%
- 10Y*
- —
SPAB
- 1D
- 0.27%
- 1M
- -1.75%
- YTD
- 0.13%
- 6M
- 1.09%
- 1Y
- 4.38%
- 3Y*
- 3.62%
- 5Y*
- 0.21%
- 10Y*
- 1.64%
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KORP vs. SPAB - Expense Ratio Comparison
KORP has a 0.29% expense ratio, which is higher than SPAB's 0.03% expense ratio.
Return for Risk
KORP vs. SPAB — Risk / Return Rank
KORP
SPAB
KORP vs. SPAB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Diversified Corporate Bond ETF (KORP) and SPDR Portfolio Aggregate Bond ETF (SPAB). 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 | SPAB | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.91 | 1.03 | -0.12 |
Sortino ratioReturn per unit of downside risk | 1.27 | 1.47 | -0.20 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.18 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.58 | 1.82 | -0.24 |
Martin ratioReturn relative to average drawdown | 5.07 | 5.08 | -0.01 |
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 | SPAB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | 1.03 | -0.12 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.34 | 0.04 | +0.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.30 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 0.51 | +0.05 |
Correlation
The correlation between KORP and SPAB is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
KORP vs. SPAB - Dividend Comparison
KORP's dividend yield for the trailing twelve months is around 5.09%, more than SPAB's 3.98% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% | 0.00% | 0.00% | 0.00% |
SPAB SPDR Portfolio Aggregate Bond ETF | 3.98% | 3.97% | 3.86% | 3.34% | 2.59% | 2.11% | 2.43% | 2.92% | 2.96% | 2.67% | 2.63% | 2.59% |
Drawdowns
KORP vs. SPAB - Drawdown Comparison
The maximum KORP drawdown since its inception was -14.90%, smaller than the maximum SPAB drawdown of -18.56%. Use the drawdown chart below to compare losses from any high point for KORP and SPAB.
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Drawdown Indicators
| KORP | SPAB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.90% | -18.56% | +3.66% |
Max Drawdown (1Y)Largest decline over 1 year | -3.22% | -2.52% | -0.70% |
Max Drawdown (5Y)Largest decline over 5 years | -14.90% | -17.96% | +3.06% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.56% | — |
Current DrawdownCurrent decline from peak | -2.26% | -2.43% | +0.17% |
Average DrawdownAverage peak-to-trough decline | -3.27% | -3.09% | -0.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.01% | 0.90% | +0.11% |
Volatility
KORP vs. SPAB - Volatility Comparison
American Century Diversified Corporate Bond ETF (KORP) has a higher volatility of 2.22% compared to SPDR Portfolio Aggregate Bond ETF (SPAB) at 1.58%. This indicates that KORP's price experiences larger fluctuations and is considered to be riskier than SPAB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| KORP | SPAB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.22% | 1.58% | +0.64% |
Volatility (6M)Calculated over the trailing 6-month period | 3.05% | 2.51% | +0.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 5.40% | 4.29% | +1.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.31% | 5.91% | -0.60% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.93% | 5.54% | -0.61% |