NCIRX vs. WFSPX
NCIRX (Nuveen Core Impact Bond Managed Accounts Portfolio) and WFSPX (iShares S&P 500 Index Fund Class K) are both mutual funds - NCIRX is a Intermediate Core-Plus Bond fund managed by BlackRock, while WFSPX is a S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, NCIRX returned -0.86%/yr vs 12.65%/yr for WFSPX. Their 0.13 correlation means their historical movements had little consistent relationship. NCIRX charges 0.00%/yr vs 0.03%/yr for WFSPX.
Performance
NCIRX vs. WFSPX - Performance Comparison
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Returns By Period
In the year-to-date period, NCIRX achieves a 0.02% return, which is significantly lower than WFSPX's 9.34% return.
NCIRX
- 1D
- 0.13%
- 1M
- -1.15%
- 6M
- -0.26%
- YTD
- 0.02%
- 1Y
- 2.85%
- 3Y*
- 4.71%
- 5Y*
- -0.86%
- 10Y*
- —
- ALL TIME*
- -11.08%
WFSPX
- 1D
- 1.66%
- 1M
- -0.56%
- 6M
- 7.78%
- YTD
- 9.34%
- 1Y
- 20.57%
- 3Y*
- 18.99%
- 5Y*
- 12.65%
- 10Y*
- 14.88%
- ALL TIME*
- 16.25%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
NCIRX vs. WFSPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
NCIRX Nuveen Core Impact Bond Managed Accounts Portfolio | 0.02% | 7.94% | 2.33% | 6.33% | -17.36% | -0.80% | -49.00% |
WFSPX iShares S&P 500 Index Fund Class K | 9.34% | 17.83% | 24.94% | 26.25% | -18.14% | 28.63% | 19.41% |
Correlation
The correlation between NCIRX and WFSPX is 0.32, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.32 |
Correlation (3Y) Balances recent behavior with more history. | 0.21 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.16 |
Correlation (All Time) Calculated using the full available price history since Jul 9, 2020 | 0.13 |
The correlation between NCIRX and WFSPX shifts across timeframes, from 0.13 (all time) to 0.32 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
NCIRX vs. WFSPX — Risk / Return Rank
NCIRX
WFSPX
NCIRX vs. WFSPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Nuveen Core Impact Bond Managed Accounts Portfolio (NCIRX) and iShares S&P 500 Index Fund Class K (WFSPX). 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.
| NCIRX | WFSPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.31 | ||
| Sortino ratioReturn per unit of downside risk | -0.30 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.26 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.48 | 2.06 | -0.58 |
| Martin ratioReturn relative to average drawdown | 3.89 | 8.83 | -4.93 |
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Drawdowns
NCIRX vs. WFSPX - Drawdown Comparison
The maximum NCIRX drawdown since its inception was -60.34%, roughly equal to the maximum WFSPX drawdown of -58.21%. Use the drawdown chart below to compare losses from any high point for NCIRX and WFSPX.
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Drawdown Indicators
| NCIRX | WFSPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.34% | -58.21% | -2.13% |
Max Drawdown (1Y)Largest decline over 1 year | -2.86% | -8.90% | +6.04% |
Max Drawdown (3Y)Largest decline over 3 years | -5.48% | -18.74% | +13.26% |
Max Drawdown (5Y)Largest decline over 5 years | -22.88% | -24.51% | +1.63% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.74% | — |
Current DrawdownCurrent decline from peak | -50.89% | -2.10% | -48.79% |
Average DrawdownAverage peak-to-trough decline | -53.39% | -12.72% | -40.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.08% | 2.07% | -0.99% |
Volatility
NCIRX vs. WFSPX - Volatility Comparison
The current volatility for Nuveen Core Impact Bond Managed Accounts Portfolio (NCIRX) is 0.91%, while iShares S&P 500 Index Fund Class K (WFSPX) has a volatility of 3.44%. This indicates that NCIRX experiences smaller price fluctuations and is considered to be less risky than WFSPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NCIRX | WFSPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.91% | 3.44% | -2.53% |
Volatility (6M)Calculated over the trailing 6-month period | 2.87% | 10.09% | -7.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.82% | 12.85% | -9.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.75% | 16.99% | -10.24% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.31% | 18.03% | +3.28% |
NCIRX vs. WFSPX - Expense Ratio Comparison
NCIRX has a 0.00% expense ratio, which is lower than WFSPX's 0.03% 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
NCIRX vs. WFSPX - Dividend Comparison
NCIRX's dividend yield for the trailing twelve months is around 4.70%, more than WFSPX's 1.67% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
NCIRX Nuveen Core Impact Bond Managed Accounts Portfolio | 4.70% | 5.04% | 4.13% | 4.51% | 4.27% | 2.83% | 0.69% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
WFSPX iShares S&P 500 Index Fund Class K | 1.67% | 1.72% | 1.41% | 1.50% | 2.02% | 1.82% | 1.66% | 1.99% | 2.00% | 1.62% | 2.37% | 2.49% |
Frequently Asked Questions
NCIRX and WFSPX have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WFSPX has higher volatility (3.44%) compared to NCIRX (0.91%). In terms of maximum drawdown, NCIRX dropped -60.34% vs WFSPX's -58.21%.
WFSPX currently has the higher Sharpe Ratio (1.42 vs 1.11), 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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