OPCAX vs. NUV

Last updated Jun 4, 2026

OPCAX (Invesco California Municipal Fund) and NUV (Nuveen Municipal Value Fund Inc.) are both Municipal Bonds funds. Over the past 10 years, OPCAX returned 3.05%/yr vs 2.43%/yr for NUV. At a 0.18 correlation, their price movements are largely independent. OPCAX charges 0.75%/yr vs 0.52%/yr for NUV.

Performance

OPCAX vs. NUV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco California Municipal Fund (OPCAX) and Nuveen Municipal Value Fund Inc. (NUV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with OPCAX having a 1.71% return and NUV slightly higher at 1.79%. Over the past 10 years, OPCAX has outperformed NUV with an annualized return of 3.05%, while NUV has yielded a comparatively lower 2.43% annualized return.

OPCAX

• 1D: 0.25%
• 1M: 1.24%
• YTD: 1.71%
• 6M: 2.06%
• 1Y: 7.06%
• 3Y*: 3.70%
• 5Y*: 0.42%
• 10Y*: 3.05%

NUV

• 1D: -0.55%
• 1M: 0.25%
• YTD: 1.79%
• 6M: 1.60%
• 1Y: 10.54%
• 3Y*: 5.20%
• 5Y*: -0.87%
• 10Y*: 2.43%

*Multi-year figures are annualized to reflect compound growth (CAGR)

OPCAX vs. NUV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OPCAX Invesco California Municipal Fund	1.71%	2.59%	2.86%	6.86%	-12.10%	3.56%	6.07%	10.31%	6.59%	4.47%
NUV Nuveen Municipal Value Fund Inc.	1.79%	10.27%	4.04%	3.99%	-14.03%	-3.51%	7.50%	19.75%	-4.83%	10.33%

Correlation

The correlation between OPCAX and NUV is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (5Y) Calculated over the trailing 5-year period	0.36
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Nov 2, 1988	0.18

The correlation between OPCAX and NUV shifts across timeframes, from 0.18 (all time) to 0.42 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

OPCAX vs. NUV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

OPCAX

OPCAX Risk / Return Rank: 48
OPCAX Sharpe Ratio Rank: 46
OPCAX Sortino Ratio Rank: 53
OPCAX Omega Ratio Rank: 65
OPCAX Calmar Ratio Rank: 40
OPCAX Martin Ratio Rank: 35

NUV

NUV Risk / Return Rank: 36
NUV Sharpe Ratio Rank: 28
NUV Sortino Ratio Rank: 29
NUV Omega Ratio Rank: 28
NUV Calmar Ratio Rank: 44
NUV Martin Ratio Rank: 53

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OPCAX vs. NUV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco California Municipal Fund (OPCAX) and Nuveen Municipal Value Fund Inc. (NUV). 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	NUV	Difference
Sharpe ratio Return per unit of total volatility	2.00	1.51	+0.49
Sortino ratio Return per unit of downside risk	3.07	2.23	+0.84
Omega ratio Gain probability vs. loss probability	1.45	1.28	+0.17
Calmar ratio Return relative to maximum drawdown	2.41	2.52	-0.12
Martin ratio Return relative to average drawdown	7.80	10.75	-2.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OPCAX vs. NUV - Sharpe Ratio Comparison

The current OPCAX Sharpe Ratio is 2.00, which is higher than the NUV Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of OPCAX and NUV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	OPCAX	NUV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.00	1.51	+0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.08	-0.09	+0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	0.24	+0.37
Sharpe Ratio (All Time) Calculated using the full available price history	0.97	0.28	+0.68

Drawdowns

OPCAX vs. NUV - Drawdown Comparison

The maximum OPCAX drawdown since its inception was -47.36%, which is greater than NUV's maximum drawdown of -35.42%. Use the drawdown chart below to compare losses from any high point for OPCAX and NUV.

Drawdown Indicators

	OPCAX	NUV	Difference
Max Drawdown Largest peak-to-trough decline	-47.36%	-35.42%	-11.94%
Max Drawdown (1Y) Largest decline over 1 year	-3.25%	-4.20%	+0.95%
Max Drawdown (3Y) Largest decline over 3 years	-8.46%	-9.24%	+0.78%
Max Drawdown (5Y) Largest decline over 5 years	-18.53%	-28.29%	+9.76%
Max Drawdown (10Y) Largest decline over 10 years	-18.53%	-28.29%	+9.76%
Current Drawdown Current decline from peak	0.00%	-7.86%	+7.86%
Average Drawdown Average peak-to-trough decline	-4.30%	-8.99%	+4.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.17%	0.98%	+0.19%

Volatility

OPCAX vs. NUV - Volatility Comparison

The current volatility for Invesco California Municipal Fund (OPCAX) is 1.51%, while Nuveen Municipal Value Fund Inc. (NUV) has a volatility of 2.56%. This indicates that OPCAX experiences smaller price fluctuations and is considered to be less risky than NUV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OPCAX	NUV	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.51%	2.56%	-1.05%
Volatility (6M) Calculated over the trailing 6-month period	2.73%	5.17%	-2.44%
Volatility (1Y) Calculated over the trailing 1-year period	3.96%	6.99%	-3.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.46%	9.56%	-4.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.12%	10.34%	-5.22%

OPCAX vs. NUV - Expense Ratio Comparison

OPCAX has a 0.75% expense ratio, which is higher than NUV's 0.52% expense ratio.

Dividends

OPCAX vs. NUV - Dividend Comparison

OPCAX's dividend yield for the trailing twelve months is around 2.76%, less than NUV's 4.30% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NUV Nuveen Municipal Value Fund Inc.	4.30%	4.30%	4.16%	3.94%	3.91%	3.41%	3.35%	3.48%	4.01%	3.99%	4.10%	3.95%
OPCAX Invesco California Municipal Fund	2.76%	4.76%	4.19%	3.06%	2.86%	3.05%	3.15%	3.64%	3.71%	4.59%	4.92%	5.48%

Frequently Asked Questions

Can I hold both OPCAX and NUV in my portfolio?

OPCAX and NUV have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OPCAX or NUV?

NUV has higher volatility (2.56%) compared to OPCAX (1.51%). In terms of maximum drawdown, OPCAX dropped -47.36% vs NUV's -35.42%.

Which has better risk-adjusted returns?

OPCAX currently has the higher Sharpe Ratio (2.00 vs 1.51), 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.