OPCAX vs. NMI
Compare and contrast key facts about Invesco California Municipal Fund (OPCAX) and Nuveen Municipal Income Fund, Inc. (NMI).
OPCAX is managed by Invesco. It was launched on Nov 2, 1988. NMI is managed by Nuveen. It was launched on Apr 20, 1998.
Performance
OPCAX vs. NMI - Performance Comparison
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OPCAX vs. NMI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OPCAX Invesco California Municipal Fund | -1.27% | 2.59% | 2.86% | 6.86% | -12.10% | 3.56% | 6.07% | 10.31% | 6.59% | 4.47% |
NMI Nuveen Municipal Income Fund, Inc. | 5.52% | 10.52% | 7.03% | 1.90% | -15.09% | 3.86% | 4.70% | 16.02% | -8.07% | 7.49% |
Returns By Period
In the year-to-date period, OPCAX achieves a -1.27% return, which is significantly lower than NMI's 5.52% return. Over the past 10 years, OPCAX has outperformed NMI with an annualized return of 2.95%, while NMI has yielded a comparatively lower 2.30% annualized return.
OPCAX
- 1D
- 0.39%
- 1M
- -2.38%
- YTD
- -1.27%
- 6M
- -0.54%
- 1Y
- 1.04%
- 3Y*
- 2.60%
- 5Y*
- 0.21%
- 10Y*
- 2.95%
NMI
- 1D
- -0.86%
- 1M
- 3.79%
- YTD
- 5.52%
- 6M
- 6.73%
- 1Y
- 10.11%
- 3Y*
- 8.16%
- 5Y*
- 2.04%
- 10Y*
- 2.30%
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OPCAX vs. NMI - Expense Ratio Comparison
OPCAX has a 0.75% expense ratio, which is higher than NMI's 0.72% expense ratio.
Return for Risk
OPCAX vs. NMI — Risk / Return Rank
OPCAX
NMI
OPCAX vs. NMI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco California Municipal Fund (OPCAX) and Nuveen Municipal Income Fund, Inc. (NMI). 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.
| OPCAX | NMI | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.25 | 0.84 | -0.59 |
Sortino ratioReturn per unit of downside risk | 0.38 | 1.49 | -1.11 |
Omega ratioGain probability vs. loss probability | 1.07 | 1.21 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | 0.11 | 1.17 | -1.06 |
Martin ratioReturn relative to average drawdown | 0.27 | 2.37 | -2.10 |
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
| OPCAX | NMI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.25 | 0.84 | -0.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.04 | 0.15 | -0.11 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.59 | 0.16 | +0.43 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.95 | 0.34 | +0.62 |
Correlation
The correlation between OPCAX and NMI is 0.13, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
OPCAX vs. NMI - Dividend Comparison
OPCAX's dividend yield for the trailing twelve months is around 2.78%, less than NMI's 4.40% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OPCAX Invesco California Municipal Fund | 2.78% | 4.76% | 4.19% | 3.06% | 2.86% | 3.05% | 3.15% | 3.64% | 3.71% | 4.59% | 4.92% | 5.48% |
NMI Nuveen Municipal Income Fund, Inc. | 4.40% | 4.59% | 4.63% | 4.04% | 3.51% | 3.22% | 3.53% | 4.15% | 5.12% | 4.21% | 4.45% | 4.28% |
Drawdowns
OPCAX vs. NMI - Drawdown Comparison
The maximum OPCAX drawdown since its inception was -47.36%, which is greater than NMI's maximum drawdown of -28.92%. Use the drawdown chart below to compare losses from any high point for OPCAX and NMI.
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Drawdown Indicators
| OPCAX | NMI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.36% | -28.92% | -18.44% |
Max Drawdown (1Y)Largest decline over 1 year | -6.37% | -8.71% | +2.34% |
Max Drawdown (5Y)Largest decline over 5 years | -18.53% | -28.92% | +10.39% |
Max Drawdown (10Y)Largest decline over 10 years | -18.53% | -28.92% | +10.39% |
Current DrawdownCurrent decline from peak | -2.63% | -0.86% | -1.77% |
Average DrawdownAverage peak-to-trough decline | -4.32% | -5.93% | +1.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.81% | 4.31% | -1.50% |
Volatility
OPCAX vs. NMI - Volatility Comparison
The current volatility for Invesco California Municipal Fund (OPCAX) is 1.49%, while Nuveen Municipal Income Fund, Inc. (NMI) has a volatility of 5.78%. This indicates that OPCAX experiences smaller price fluctuations and is considered to be less risky than NMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OPCAX | NMI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.49% | 5.78% | -4.29% |
Volatility (6M)Calculated over the trailing 6-month period | 2.66% | 7.44% | -4.78% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.95% | 12.11% | -5.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.40% | 13.59% | -8.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.10% | 14.60% | -9.50% |