CORP vs. SKOR
CORP (PIMCO Investment Grade Corporate Bond Index ETF) and SKOR (FlexShares Credit-Scored US Corporate Bond Index Fund) are both Corporate Bonds funds - CORP tracks the ICE BofA US Corporate while SKOR tracks the NorthernTrustUS Corporate Bond Quality Value Index. Both are passively managed. Over the past 10 years, CORP returned 2.80%/yr vs 2.87%/yr for SKOR. A 0.74 correlation means they provide meaningful diversification when combined. CORP charges 0.20%/yr vs 0.22%/yr for SKOR.
Performance
CORP vs. SKOR - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, CORP achieves a 0.91% return, which is significantly higher than SKOR's 0.59% return. Both investments have delivered pretty close results over the past 10 years, with CORP having a 2.80% annualized return and SKOR not far ahead at 2.87%.
CORP
- 1D
- 0.68%
- 1M
- 0.70%
- YTD
- 0.91%
- 6M
- 0.95%
- 1Y
- 5.80%
- 3Y*
- 5.67%
- 5Y*
- 0.78%
- 10Y*
- 2.80%
SKOR
- 1D
- 0.43%
- 1M
- 0.41%
- YTD
- 0.59%
- 6M
- 0.91%
- 1Y
- 5.20%
- 3Y*
- 6.06%
- 5Y*
- 1.75%
- 10Y*
- 2.87%
CORP vs. SKOR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CORP PIMCO Investment Grade Corporate Bond Index ETF | 0.91% | 7.96% | 2.47% | 9.13% | -14.96% | -1.18% | 9.70% | 14.80% | -3.29% | 6.56% |
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund | 0.59% | 7.99% | 4.42% | 7.64% | -9.88% | -1.40% | 8.84% | 10.69% | -1.25% | 4.38% |
Correlation
The correlation between CORP 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 | 0.95 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.93 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.92 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.80 |
Correlation (All Time) Calculated using the full available price history since Nov 13, 2014 | 0.74 |
Over the past year, CORP and SKOR have become more correlated (0.94) than their long-term average of 0.74, meaning their price movements have been converging.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
CORP vs. SKOR — Risk / Return Rank
CORP
SKOR
CORP vs. SKOR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for PIMCO Investment Grade Corporate Bond Index ETF (CORP) 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.
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.
| CORP | SKOR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.54 | ||
| Sortino ratioReturn per unit of downside risk | -0.83 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.36 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 2.03 | 2.50 | -0.48 |
| Martin ratioReturn relative to average drawdown | 6.42 | 8.74 | -2.32 |
Loading charts...
Drawdowns
CORP vs. SKOR - Drawdown Comparison
The maximum CORP drawdown since its inception was -21.21%, which is greater than SKOR's maximum drawdown of -15.98%. Use the drawdown chart below to compare losses from any high point for CORP and SKOR.
Loading charts...
Drawdown Indicators
| CORP | SKOR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.21% | -15.98% | -5.23% |
Max Drawdown (1Y)Largest decline over 1 year | -2.88% | -2.09% | -0.79% |
Max Drawdown (3Y)Largest decline over 3 years | -6.06% | -3.11% | -2.95% |
Max Drawdown (5Y)Largest decline over 5 years | -21.21% | -15.13% | -6.08% |
Max Drawdown (10Y)Largest decline over 10 years | -21.21% | -15.98% | -5.23% |
Current DrawdownCurrent decline from peak | -0.73% | -0.52% | -0.21% |
Average DrawdownAverage peak-to-trough decline | -3.61% | -2.65% | -0.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.91% | 0.60% | +0.31% |
Volatility
CORP vs. SKOR - Volatility Comparison
PIMCO Investment Grade Corporate Bond Index ETF (CORP) has a higher volatility of 1.45% compared to FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR) at 0.93%. This indicates that CORP'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.
Loading charts...
Volatility by Period
| CORP | SKOR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.45% | 0.93% | +0.52% |
Volatility (6M)Calculated over the trailing 6-month period | 3.12% | 2.06% | +1.06% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.19% | 2.72% | +1.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.89% | 4.43% | +2.46% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.08% | 4.90% | +2.18% |
CORP vs. SKOR - Expense Ratio Comparison
CORP has a 0.20% expense ratio, which is lower than SKOR's 0.22% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
CORP vs. SKOR - Dividend Comparison
CORP's dividend yield for the trailing twelve months is around 4.83%, more than SKOR's 4.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CORP PIMCO Investment Grade Corporate Bond Index ETF | 4.83% | 4.77% | 4.74% | 4.12% | 3.28% | 2.51% | 2.90% | 3.25% | 3.18% | 3.08% | 2.91% | 3.14% |
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund | 4.66% | 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, CORP 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.
CORP has higher volatility (1.45%) compared to SKOR (0.93%). In terms of maximum drawdown, CORP dropped -21.21% vs SKOR's -15.98%.
On 10-year performance, SKOR leads with 2.87% vs 2.80% for CORP. On fees, CORP is cheaper at 0.20% per year. On volatility, SKOR has been the lower-risk option at 0.93%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SKOR has performed better with a 2.87% return vs 2.80%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
CORP is cheaper with a 0.20% expense ratio, compared with 0.22% for SKOR.
CORP has the higher dividend yield at 4.83%, compared with 4.66% for SKOR.
CORP tracks ICE BofA US Corporate, while SKOR tracks NorthernTrustUS Corporate Bond Quality Value Index. They also come from different issuers: PIMCO and Northern Trust. Their fees differ too: 0.20% for CORP and 0.22% for SKOR.
SKOR currently has the higher Sharpe Ratio (1.93 vs 1.39), 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.
Find the right allocation for CORP and SKOR
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer