PVIVX vs. MOPIX

Last updated Jun 4, 2026

PVIVX (Paradigm Micro-cap Fund) and MOPIX (MainStay WMC Small Companies Fund) are both Small Cap Blend Equities funds. Over the past 10 years, PVIVX returned 14.83%/yr vs 9.35%/yr for MOPIX. Their correlation of 0.87 suggests significant overlap in exposure. PVIVX charges 1.25%/yr vs 0.97%/yr for MOPIX.

Performance

PVIVX vs. MOPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Paradigm Micro-cap Fund (PVIVX) and MainStay WMC Small Companies Fund (MOPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PVIVX achieves a 32.57% return, which is significantly higher than MOPIX's 27.70% return. Over the past 10 years, PVIVX has outperformed MOPIX with an annualized return of 14.83%, while MOPIX has yielded a comparatively lower 9.35% annualized return.

PVIVX

• 1D: 2.32%
• 1M: 9.97%
• YTD: 32.57%
• 6M: 25.87%
• 1Y: 46.34%
• 3Y*: 15.71%
• 5Y*: 6.82%
• 10Y*: 14.83%

MOPIX

• 1D: 0.76%
• 1M: 9.92%
• YTD: 27.70%
• 6M: 27.77%
• 1Y: 56.29%
• 3Y*: 23.19%
• 5Y*: 9.07%
• 10Y*: 9.35%

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

PVIVX vs. MOPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PVIVX Paradigm Micro-cap Fund	32.57%	-4.81%	13.48%	17.89%	-20.62%	27.94%	46.96%	22.38%	-10.88%	15.82%
MOPIX MainStay WMC Small Companies Fund	27.70%	12.69%	16.07%	10.97%	-19.00%	17.55%	10.04%	17.70%	-16.42%	15.68%

Correlation

The correlation between PVIVX and MOPIX is 0.86, 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	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jan 9, 2008	0.87

The correlation between PVIVX and MOPIX has been stable across timeframes, ranging from 0.84 to 0.87 - a consistent structural relationship.

Return for Risk

PVIVX vs. MOPIX — Risk / Return Rank

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

PVIVX

PVIVX Risk / Return Rank: 53
PVIVX Sharpe Ratio Rank: 48
PVIVX Sortino Ratio Rank: 45
PVIVX Omega Ratio Rank: 40
PVIVX Calmar Ratio Rank: 77
PVIVX Martin Ratio Rank: 54

MOPIX

MOPIX Risk / Return Rank: 91
MOPIX Sharpe Ratio Rank: 93
MOPIX Sortino Ratio Rank: 89
MOPIX Omega Ratio Rank: 80
MOPIX Calmar Ratio Rank: 96
MOPIX Martin Ratio Rank: 95

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.

PVIVX vs. MOPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Paradigm Micro-cap Fund (PVIVX) and MainStay WMC Small Companies Fund (MOPIX). 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.

	PVIVX	MOPIX	Difference
Sharpe ratio Return per unit of total volatility	2.05	3.20	-1.15
Sortino ratio Return per unit of downside risk	2.80	4.37	-1.57
Omega ratio Gain probability vs. loss probability	1.34	1.53	-0.19
Calmar ratio Return relative to maximum drawdown	3.48	6.08	-2.60
Martin ratio Return relative to average drawdown	10.95	22.94	-11.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PVIVX vs. MOPIX - Sharpe Ratio Comparison

The current PVIVX Sharpe Ratio is 2.05, which is lower than the MOPIX Sharpe Ratio of 3.20. The chart below compares the historical Sharpe Ratios of PVIVX and MOPIX, 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

	PVIVX	MOPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.05	3.20	-1.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.01	0.40	-0.39
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.02	0.40	-0.38
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	0.49	-0.47

Drawdowns

PVIVX vs. MOPIX - Drawdown Comparison

The maximum PVIVX drawdown since its inception was -95.67%, which is greater than MOPIX's maximum drawdown of -68.08%. Use the drawdown chart below to compare losses from any high point for PVIVX and MOPIX.

Drawdown Indicators

	PVIVX	MOPIX	Difference
Max Drawdown Largest peak-to-trough decline	-95.67%	-68.08%	-27.59%
Max Drawdown (1Y) Largest decline over 1 year	-14.84%	-9.84%	-5.00%
Max Drawdown (3Y) Largest decline over 3 years	-95.67%	-26.99%	-68.68%
Max Drawdown (5Y) Largest decline over 5 years	-95.67%	-32.60%	-63.07%
Max Drawdown (10Y) Largest decline over 10 years	-95.67%	-48.01%	-47.66%
Current Drawdown Current decline from peak	-92.72%	0.00%	-92.72%
Average Drawdown Average peak-to-trough decline	-16.88%	-9.11%	-7.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.71%	2.60%	+2.11%

Volatility

PVIVX vs. MOPIX - Volatility Comparison

Paradigm Micro-cap Fund (PVIVX) has a higher volatility of 7.29% compared to MainStay WMC Small Companies Fund (MOPIX) at 5.92%. This indicates that PVIVX's price experiences larger fluctuations and is considered to be riskier than MOPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PVIVX	MOPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.29%	5.92%	+1.37%
Volatility (6M) Calculated over the trailing 6-month period	17.50%	13.71%	+3.79%
Volatility (1Y) Calculated over the trailing 1-year period	25.24%	18.68%	+6.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	887.36%	22.81%	+864.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	627.78%	23.38%	+604.40%

PVIVX vs. MOPIX - Expense Ratio Comparison

PVIVX has a 1.25% expense ratio, which is higher than MOPIX's 0.97% expense ratio.

Dividends

PVIVX vs. MOPIX - Dividend Comparison

PVIVX's dividend yield for the trailing twelve months is around 12.02%, more than MOPIX's 0.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MOPIX MainStay WMC Small Companies Fund	0.12%	0.15%	0.39%	0.33%	2.34%	29.42%	0.00%	0.50%	18.09%	8.32%	0.59%	0.37%
PVIVX Paradigm Micro-cap Fund	12.02%	15.93%	6.40%	0.00%	0.00%	1.11%	5.25%	0.01%	14.09%	6.88%	3.61%	1.32%

Frequently Asked Questions

Can I hold both PVIVX and MOPIX in my portfolio?

PVIVX and MOPIX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PVIVX or MOPIX?

PVIVX has higher volatility (7.29%) compared to MOPIX (5.92%). In terms of maximum drawdown, PVIVX dropped -95.67% vs MOPIX's -68.08%.

Which has better risk-adjusted returns?

MOPIX currently has the higher Sharpe Ratio (3.20 vs 2.05), 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.