GOVZ vs. KORP
GOVZ (iShares 25+ Year Treasury STRIPS Bond ETF) and KORP (American Century Diversified Corporate Bond ETF) are both exchange-traded funds - GOVZ is a Government Bonds fund tracking the ICE BofA Long US Treasury Principal STRIPS Index, while KORP is a Corporate Bonds fund actively managed by American Century. GOVZ is passively managed, while KORP is actively managed. Over the past 5 years, GOVZ returned -11.53%/yr vs 1.76%/yr for KORP. A 0.75 correlation means they provide meaningful diversification when combined. GOVZ charges 0.15%/yr vs 0.29%/yr for KORP.
Performance
GOVZ vs. KORP - Performance Comparison
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Returns By Period
In the year-to-date period, GOVZ achieves a -0.94% return, which is significantly lower than KORP's 0.69% return.
GOVZ
- 1D
- -0.50%
- 1M
- 1.73%
- YTD
- -0.94%
- 6M
- -4.35%
- 1Y
- 3.91%
- 3Y*
- -7.43%
- 5Y*
- -11.53%
- 10Y*
- —
KORP
- 1D
- -0.23%
- 1M
- 0.60%
- YTD
- 0.69%
- 6M
- 0.54%
- 1Y
- 6.42%
- 3Y*
- 5.79%
- 5Y*
- 1.76%
- 10Y*
- —
GOVZ vs. KORP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
GOVZ iShares 25+ Year Treasury STRIPS Bond ETF | -0.94% | -1.81% | -16.24% | 0.90% | -41.03% | -4.86% | -5.61% |
KORP American Century Diversified Corporate Bond ETF | 0.69% | 8.14% | 3.82% | 7.40% | -10.04% | -0.55% | 2.73% |
Correlation
The correlation between GOVZ and KORP is 0.84, 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 | 0.84 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.82 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.77 |
Correlation (All Time) Calculated using the full available price history since Sep 25, 2020 | 0.75 |
The correlation between GOVZ and KORP has been stable across timeframes, ranging from 0.75 to 0.84 - a consistent structural relationship.
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Return for Risk
GOVZ vs. KORP — Risk / Return Rank
GOVZ
KORP
GOVZ vs. KORP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares 25+ Year Treasury STRIPS Bond ETF (GOVZ) 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.
| GOVZ | KORP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.24 | ||
| Sortino ratioReturn per unit of downside risk | -1.68 | ||
| Omega ratioGain probability vs. loss probability | 1.05 | 1.26 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 0.28 | 2.00 | -1.72 |
| Martin ratioReturn relative to average drawdown | 0.63 | 6.64 | -6.01 |
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
| GOVZ | KORP | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.24 | 1.48 | -1.24 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.48 | 0.33 | -0.81 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.58 | 0.58 | -1.16 |
Drawdowns
GOVZ vs. KORP - Drawdown Comparison
The maximum GOVZ drawdown since its inception was -59.65%, which is greater than KORP's maximum drawdown of -14.90%. Use the drawdown chart below to compare losses from any high point for GOVZ and KORP.
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Drawdown Indicators
| GOVZ | KORP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.65% | -14.90% | -44.75% |
Max Drawdown (1Y)Largest decline over 1 year | -14.16% | -3.22% | -10.94% |
Max Drawdown (3Y)Largest decline over 3 years | -28.72% | -5.04% | -23.68% |
Max Drawdown (5Y)Largest decline over 5 years | -57.63% | -14.90% | -42.73% |
Current DrawdownCurrent decline from peak | -56.47% | -1.07% | -55.40% |
Average DrawdownAverage peak-to-trough decline | -39.91% | -3.23% | -36.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.21% | 0.97% | +5.24% |
Volatility
GOVZ vs. KORP - Volatility Comparison
iShares 25+ Year Treasury STRIPS Bond ETF (GOVZ) has a higher volatility of 4.27% compared to American Century Diversified Corporate Bond ETF (KORP) at 1.44%. This indicates that GOVZ'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
| GOVZ | KORP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.27% | 1.44% | +2.83% |
Volatility (6M)Calculated over the trailing 6-month period | 10.50% | 3.29% | +7.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.26% | 4.36% | +11.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.93% | 5.36% | +18.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.35% | 4.92% | +18.43% |
GOVZ vs. KORP - Expense Ratio Comparison
GOVZ has a 0.15% expense ratio, which is lower than KORP's 0.29% expense ratio.
Dividends
GOVZ vs. KORP - Dividend Comparison
GOVZ's dividend yield for the trailing twelve months is around 5.18%, more than KORP's 4.69% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
GOVZ iShares 25+ Year Treasury STRIPS Bond ETF | 5.18% | 5.00% | 4.68% | 3.84% | 3.69% | 1.76% | 0.39% | 0.00% | 0.00% |
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% |
Frequently Asked Questions
GOVZ and KORP have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GOVZ has higher volatility (4.27%) compared to KORP (1.44%). In terms of maximum drawdown, GOVZ dropped -59.65% vs KORP's -14.90%.
On 5-year performance, KORP leads with 1.76% vs -11.53% for GOVZ. On fees, GOVZ is cheaper at 0.15% per year. On volatility, KORP has been the lower-risk option at 1.44%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, KORP has performed better with a 1.76% return vs -11.53%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
GOVZ is cheaper with a 0.15% expense ratio, compared with 0.29% for KORP.
GOVZ has the higher dividend yield at 5.18%, compared with 4.69% for KORP.
GOVZ is categorized as Government Bonds, while KORP is Corporate Bonds. They also come from different issuers: iShares and American Century. Their fees differ too: 0.15% for GOVZ and 0.29% for KORP.
KORP currently has the higher Sharpe Ratio (1.48 vs 0.24), 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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