MID vs. KORP
MID (American Century Mid Cap Growth Impact ETF) and KORP (American Century Diversified Corporate Bond ETF) are both exchange-traded funds - MID is a Mid Cap Growth Equities fund actively managed by American Century, while KORP is a Corporate Bonds fund actively managed by American Century. Both are actively managed. Over the past 5 years, MID returned 4.34%/yr vs 1.79%/yr for KORP. At a 0.33 correlation, their price movements are largely independent. MID charges 0.45%/yr vs 0.29%/yr for KORP.
Performance
MID vs. KORP - Performance Comparison
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Returns By Period
In the year-to-date period, MID achieves a 3.69% return, which is significantly higher than KORP's 0.94% return.
MID
- 1D
- -0.08%
- 1M
- 3.12%
- YTD
- 3.69%
- 6M
- 1.87%
- 1Y
- 5.91%
- 3Y*
- 13.92%
- 5Y*
- 4.34%
- 10Y*
- —
KORP
- 1D
- -0.17%
- 1M
- 0.83%
- YTD
- 0.94%
- 6M
- 1.15%
- 1Y
- 5.71%
- 3Y*
- 5.95%
- 5Y*
- 1.79%
- 10Y*
- —
MID vs. KORP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
MID American Century Mid Cap Growth Impact ETF | 3.69% | 8.22% | 19.40% | 22.20% | -27.44% | 10.39% | 30.35% |
KORP American Century Diversified Corporate Bond ETF | 0.94% | 8.14% | 3.82% | 7.40% | -10.04% | -0.55% | 3.25% |
Correlation
The correlation between MID and KORP 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 MID and KORP 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
MID vs. KORP — Risk / Return Rank
MID
KORP
MID vs. KORP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Mid Cap Growth Impact ETF (MID) and American Century Diversified Corporate Bond ETF (KORP). 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.
| MID | KORP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.99 | ||
| Sortino ratioReturn per unit of downside risk | -1.35 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.24 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | 0.43 | 1.78 | -1.35 |
| Martin ratioReturn relative to average drawdown | 1.25 | 5.77 | -4.52 |
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Drawdowns
MID vs. KORP - Drawdown Comparison
The maximum MID drawdown since its inception was -40.15%, which is greater than KORP's maximum drawdown of -14.90%. Use the drawdown chart below to compare losses from any high point for MID and KORP.
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Drawdown Indicators
| MID | KORP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -40.15% | -14.90% | -25.25% |
Max Drawdown (1Y)Largest decline over 1 year | -13.89% | -3.22% | -10.67% |
Max Drawdown (3Y)Largest decline over 3 years | -23.92% | -5.04% | -18.88% |
Max Drawdown (5Y)Largest decline over 5 years | -40.15% | -14.90% | -25.25% |
Current DrawdownCurrent decline from peak | -2.38% | -0.83% | -1.55% |
Average DrawdownAverage peak-to-trough decline | -13.35% | -3.23% | -10.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.72% | 0.99% | +3.73% |
Volatility
MID vs. KORP - Volatility Comparison
American Century Mid Cap Growth Impact ETF (MID) has a higher volatility of 6.50% compared to American Century Diversified Corporate Bond ETF (KORP) at 1.14%. This indicates that MID's price experiences larger fluctuations and is considered to be riskier than KORP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MID | KORP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.50% | 1.14% | +5.36% |
Volatility (6M)Calculated over the trailing 6-month period | 13.81% | 3.37% | +10.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.43% | 4.32% | +13.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.71% | 5.37% | +18.34% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.93% | 4.91% | +19.02% |
MID vs. KORP - Expense Ratio Comparison
MID has a 0.45% expense ratio, which is higher than KORP's 0.29% expense ratio.
Dividends
MID vs. KORP - Dividend Comparison
MID's dividend yield for the trailing twelve months is around 0.18%, less than KORP's 5.09% 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
MID and KORP 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 (6.50%) compared to KORP (1.14%). In terms of maximum drawdown, MID dropped -40.15% vs KORP's -14.90%.
On 5-year performance, MID leads with 4.34% 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 4.34% 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.
MID is categorized as Mid Cap Growth Equities, while KORP is Corporate Bonds. Their fees differ too: 0.45% for MID and 0.29% for KORP.
KORP currently has the higher Sharpe Ratio (1.33 vs 0.34), 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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