PMOAX vs. PCBIX

Last updated Jun 25, 2026

PMOAX (Principal Opportunistic Municipal Fund) and PCBIX (Principal MidCap Fund Institutional Class) are both mutual funds - PMOAX is a High Yield Muni fund managed by Principal, while PCBIX is a Mid Cap Growth Equities fund managed by Principal. Over the past 10 years, PMOAX returned 2.33%/yr vs 12.24%/yr for PCBIX. At a correlation of -0.02, they often move in opposite directions. PMOAX charges 0.84%/yr vs 0.67%/yr for PCBIX.

Performance

PMOAX vs. PCBIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal Opportunistic Municipal Fund (PMOAX) and Principal MidCap Fund Institutional Class (PCBIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PMOAX achieves a 2.52% return, which is significantly higher than PCBIX's -7.10% return. Over the past 10 years, PMOAX has underperformed PCBIX with an annualized return of 2.33%, while PCBIX has yielded a comparatively higher 12.24% annualized return.

PMOAX

• 1D: 0.00%
• 1M: 2.09%
• YTD: 2.52%
• 6M: 3.03%
• 1Y: 7.61%
• 3Y*: 4.47%
• 5Y*: -0.15%
• 10Y*: 2.33%

PCBIX

• 1D: -0.20%
• 1M: 2.50%
• YTD: -7.10%
• 6M: -8.62%
• 1Y: -9.88%
• 3Y*: 9.58%
• 5Y*: 4.53%
• 10Y*: 12.24%

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

PMOAX vs. PCBIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PMOAX Principal Opportunistic Municipal Fund	2.52%	2.91%	4.40%	6.76%	-16.56%	6.38%	4.40%	10.55%	1.34%	10.14%
PCBIX Principal MidCap Fund Institutional Class	-7.10%	1.62%	23.63%	25.92%	-23.16%	25.22%	18.25%	49.40%	-6.86%	25.32%

Correlation

The correlation between PMOAX and PCBIX is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.14
Correlation (10Y) Calculated over the trailing 10-year period	0.07
Correlation (All Time) Calculated using the full available price history since Jun 15, 2012	-0.02

The correlation between PMOAX and PCBIX shifts across timeframes, from -0.02 (all time) to 0.22 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

PMOAX vs. PCBIX — Risk / Return Rank

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

PMOAX

PMOAX Risk / Return Rank: 71
PMOAX Sharpe Ratio Rank: 78
PMOAX Sortino Ratio Rank: 88
PMOAX Omega Ratio Rank: 88
PMOAX Calmar Ratio Rank: 58
PMOAX Martin Ratio Rank: 44

PCBIX

PCBIX Risk / Return Rank: 1
PCBIX Sharpe Ratio Rank: 1
PCBIX Sortino Ratio Rank: 1
PCBIX Omega Ratio Rank: 1
PCBIX Calmar Ratio Rank: 1
PCBIX Martin Ratio Rank: 1

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.

PMOAX vs. PCBIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal Opportunistic Municipal Fund (PMOAX) and Principal MidCap Fund Institutional Class (PCBIX). 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.

	PMOAX	PCBIX	Difference
Sharpe ratio: Return per unit of total volatility	2.26	-0.63	+2.88
Sortino ratio: Return per unit of downside risk	3.72	-0.81	+4.53
Omega ratio: Gain probability vs. loss probability	1.55	0.91	+0.64
Calmar ratio: Return relative to maximum drawdown	2.59	-0.47	+3.06
Martin ratio: Return relative to average drawdown	8.16	-0.99	+9.15

PMOAX vs. PCBIX - Sharpe Ratio Comparison

The current PMOAX Sharpe Ratio is 2.26, which is higher than the PCBIX Sharpe Ratio of -0.63. The chart below compares the historical Sharpe Ratios of PMOAX and PCBIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PMOAX vs. PCBIX - Drawdown Comparison

The maximum PMOAX drawdown since its inception was -21.33%, smaller than the maximum PCBIX drawdown of -50.25%. Use the drawdown chart below to compare losses from any high point for PMOAX and PCBIX.

Drawdown Indicators

	PMOAX	PCBIX	Difference
Max Drawdown Largest peak-to-trough decline	-21.33%	-50.25%	+28.92%
Max Drawdown (1Y) Largest decline over 1 year	-2.91%	-19.29%	+16.38%
Max Drawdown (3Y) Largest decline over 3 years	-6.41%	-19.29%	+12.88%
Max Drawdown (5Y) Largest decline over 5 years	-21.33%	-31.17%	+9.84%
Max Drawdown (10Y) Largest decline over 10 years	-21.33%	-40.56%	+19.23%
Current Drawdown Current decline from peak	-2.11%	-13.17%	+11.06%
Average Drawdown Average peak-to-trough decline	-4.78%	-6.57%	+1.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.92%	9.20%	-8.28%

Volatility

PMOAX vs. PCBIX - Volatility Comparison

The current volatility for Principal Opportunistic Municipal Fund (PMOAX) is 0.86%, while Principal MidCap Fund Institutional Class (PCBIX) has a volatility of 4.42%. This indicates that PMOAX experiences smaller price fluctuations and is considered to be less risky than PCBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PMOAX	PCBIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.86%	4.42%	-3.56%
Volatility (6M) Calculated over the trailing 6-month period	2.27%	11.64%	-9.37%
Volatility (1Y) Calculated over the trailing 1-year period	3.33%	14.64%	-11.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.76%	18.69%	-13.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.05%	19.14%	-14.09%

PMOAX vs. PCBIX - Expense Ratio Comparison

PMOAX has a 0.84% expense ratio, which is higher than PCBIX's 0.67% expense ratio.

Dividends

PMOAX vs. PCBIX - Dividend Comparison

PMOAX's dividend yield for the trailing twelve months is around 4.50%, less than PCBIX's 6.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PCBIX Principal MidCap Fund Institutional Class	6.26%	5.81%	6.40%	2.51%	3.18%	7.96%	1.08%	9.02%	12.24%	3.31%	2.49%	6.30%
PMOAX Principal Opportunistic Municipal Fund	4.50%	4.59%	4.32%	3.42%	3.36%	3.09%	3.28%	3.48%	3.89%	3.62%	3.57%	3.73%

Frequently Asked Questions

Can I hold both PMOAX and PCBIX in my portfolio?

PMOAX and PCBIX have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PMOAX or PCBIX?

PCBIX has higher volatility (4.42%) compared to PMOAX (0.86%). In terms of maximum drawdown, PMOAX dropped -21.33% vs PCBIX's -50.25%.

Which has better risk-adjusted returns?

PMOAX currently has the higher Sharpe Ratio (2.26 vs -0.63), 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.