KORP vs. MID
KORP (American Century Diversified Corporate Bond ETF) and MID (American Century Mid Cap Growth Impact ETF) are both exchange-traded funds - KORP is a Corporate Bonds fund actively managed by American Century, while MID is a Mid Cap Growth Equities fund actively managed by American Century. Both are actively managed. Over the past 5 years, KORP returned 1.79%/yr vs 3.85%/yr for MID. At a 0.33 correlation, their price movements are largely independent. KORP charges 0.29%/yr vs 0.45%/yr for MID.
Performance
KORP vs. MID - 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 MID's 2.25% return.
KORP
- 1D
- 0.07%
- 1M
- 0.91%
- YTD
- 1.01%
- 6M
- 1.14%
- 1Y
- 5.48%
- 3Y*
- 5.98%
- 5Y*
- 1.79%
- 10Y*
- —
MID
- 1D
- -1.39%
- 1M
- 1.69%
- YTD
- 2.25%
- 6M
- 0.73%
- 1Y
- 4.00%
- 3Y*
- 13.39%
- 5Y*
- 3.85%
- 10Y*
- —
KORP vs. MID - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
KORP American Century Diversified Corporate Bond ETF | 1.01% | 8.14% | 3.82% | 7.40% | -10.04% | -0.55% | 3.25% |
MID American Century Mid Cap Growth Impact ETF | 2.25% | 8.22% | 19.40% | 22.20% | -27.44% | 10.39% | 30.35% |
Correlation
The correlation between KORP and MID is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.45 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.35 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.33 |
Correlation (All Time) Calculated using the full available price history since Jul 15, 2020 | 0.33 |
The correlation between KORP and MID shifts across timeframes, from 0.33 (all time) to 0.45 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
KORP vs. MID — Risk / Return Rank
KORP
MID
KORP vs. MID - 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 Mid Cap Growth Impact ETF (MID). 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 | MID | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.05 | ||
| Sortino ratioReturn per unit of downside risk | +1.43 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.05 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 1.71 | 0.29 | +1.42 |
| Martin ratioReturn relative to average drawdown | 5.54 | 0.85 | +4.69 |
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Drawdowns
KORP vs. MID - Drawdown Comparison
The maximum KORP drawdown since its inception was -14.90%, smaller than the maximum MID drawdown of -40.15%. Use the drawdown chart below to compare losses from any high point for KORP and MID.
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Drawdown Indicators
| KORP | MID | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.90% | -40.15% | +25.25% |
Max Drawdown (1Y)Largest decline over 1 year | -3.22% | -13.89% | +10.67% |
Max Drawdown (3Y)Largest decline over 3 years | -5.04% | -23.92% | +18.88% |
Max Drawdown (5Y)Largest decline over 5 years | -14.90% | -40.15% | +25.25% |
Current DrawdownCurrent decline from peak | -0.75% | -3.74% | +2.99% |
Average DrawdownAverage peak-to-trough decline | -3.23% | -13.34% | +10.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 4.73% | -3.74% |
Volatility
KORP vs. MID - Volatility Comparison
The current volatility for American Century Diversified Corporate Bond ETF (KORP) is 1.14%, while American Century Mid Cap Growth Impact ETF (MID) has a volatility of 6.68%. This indicates that KORP experiences smaller price fluctuations and is considered to be less risky than MID based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| KORP | MID | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.14% | 6.68% | -5.54% |
Volatility (6M)Calculated over the trailing 6-month period | 3.36% | 13.88% | -10.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.31% | 17.45% | -13.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.37% | 23.72% | -18.35% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.91% | 23.93% | -19.02% |
KORP vs. MID - Expense Ratio Comparison
KORP has a 0.29% expense ratio, which is lower than MID's 0.45% expense ratio.
Dividends
KORP vs. MID - Dividend Comparison
KORP's dividend yield for the trailing twelve months is around 5.09%, more than MID's 0.18% 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% |
MID American Century Mid Cap Growth Impact ETF | 0.18% | 0.18% | 0.17% | 0.02% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
KORP and MID have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MID has higher volatility (6.68%) compared to KORP (1.14%). In terms of maximum drawdown, KORP dropped -14.90% vs MID's -40.15%.
On 5-year performance, MID leads with 3.85% vs 1.79% for KORP. On fees, KORP is cheaper at 0.29% per year. On volatility, KORP has been the lower-risk option at 1.14%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, MID has performed better with a 3.85% return vs 1.79%. 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 0.45% for MID.
KORP has the higher dividend yield at 5.09%, compared with 0.18% for MID.
KORP is categorized as Corporate Bonds, while MID is Mid Cap Growth Equities. Their fees differ too: 0.29% for KORP and 0.45% for MID.
KORP currently has the higher Sharpe Ratio (1.28 vs 0.23), 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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