MOPIX vs. MLAAX

Last updated Jun 4, 2026

MOPIX (MainStay WMC Small Companies Fund) and MLAAX (MainStay Winslow Large Cap Growth Fund) are both mutual funds - MOPIX is a Small Cap Blend Equities fund managed by New York Life, while MLAAX is a Large Cap Growth Equities fund managed by New York Life. Over the past 10 years, MOPIX returned 9.35%/yr vs 17.07%/yr for MLAAX. A 0.75 correlation means they provide meaningful diversification when combined. MOPIX charges 0.97%/yr vs 0.93%/yr for MLAAX.

Performance

MOPIX vs. MLAAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MainStay WMC Small Companies Fund (MOPIX) and MainStay Winslow Large Cap Growth Fund (MLAAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MOPIX achieves a 27.70% return, which is significantly higher than MLAAX's 6.26% return. Over the past 10 years, MOPIX has underperformed MLAAX with an annualized return of 9.35%, while MLAAX has yielded a comparatively higher 17.07% annualized return.

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%

MLAAX

• 1D: 0.32%
• 1M: 7.11%
• YTD: 6.26%
• 6M: 4.97%
• 1Y: 16.12%
• 3Y*: 22.63%
• 5Y*: 12.84%
• 10Y*: 17.07%

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

MOPIX vs. MLAAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
MLAAX MainStay Winslow Large Cap Growth Fund	6.26%	14.20%	28.95%	43.10%	-31.51%	25.00%	36.95%	33.18%	3.81%	32.19%

Correlation

The correlation between MOPIX and MLAAX is 0.63, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.63
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.66
Correlation (All Time) Calculated using the full available price history since Jul 10, 1995	0.75

The correlation between MOPIX and MLAAX shifts across timeframes, from 0.58 (3 years) to 0.75 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MOPIX vs. MLAAX — Risk / Return Rank

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

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

MLAAX

MLAAX Risk / Return Rank: 11
MLAAX Sharpe Ratio Rank: 14
MLAAX Sortino Ratio Rank: 13
MLAAX Omega Ratio Rank: 13
MLAAX Calmar Ratio Rank: 8
MLAAX Martin Ratio Rank: 8

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.

MOPIX vs. MLAAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MainStay WMC Small Companies Fund (MOPIX) and MainStay Winslow Large Cap Growth Fund (MLAAX). 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.

	MOPIX	MLAAX	Difference
Sharpe ratio: Return per unit of total volatility	3.20	1.03	+2.17
Sortino ratio: Return per unit of downside risk	4.37	1.48	+2.89
Omega ratio: Gain probability vs. loss probability	1.53	1.18	+0.34
Calmar ratio: Return relative to maximum drawdown	6.08	0.83	+5.25
Martin ratio: Return relative to average drawdown	22.94	2.42	+20.52
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MOPIX vs. MLAAX - Sharpe Ratio Comparison

The current MOPIX Sharpe Ratio is 3.20, which is higher than the MLAAX Sharpe Ratio of 1.03. The chart below compares the historical Sharpe Ratios of MOPIX and MLAAX, 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

	MOPIX	MLAAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.20	1.03	+2.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.40	0.51	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.40	0.67	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.23	+0.26

Drawdowns

MOPIX vs. MLAAX - Drawdown Comparison

The maximum MOPIX drawdown since its inception was -68.08%, smaller than the maximum MLAAX drawdown of -83.01%. Use the drawdown chart below to compare losses from any high point for MOPIX and MLAAX.

Drawdown Indicators

	MOPIX	MLAAX	Difference
Max Drawdown Largest peak-to-trough decline	-68.08%	-83.01%	+14.93%
Max Drawdown (1Y) Largest decline over 1 year	-9.84%	-20.28%	+10.44%
Max Drawdown (3Y) Largest decline over 3 years	-26.99%	-35.43%	+8.44%
Max Drawdown (5Y) Largest decline over 5 years	-32.60%	-39.36%	+6.76%
Max Drawdown (10Y) Largest decline over 10 years	-48.01%	-39.36%	-8.65%
Current Drawdown Current decline from peak	0.00%	-4.07%	+4.07%
Average Drawdown Average peak-to-trough decline	-9.11%	-38.81%	+29.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.60%	6.94%	-4.34%

Volatility

MOPIX vs. MLAAX - Volatility Comparison

MainStay WMC Small Companies Fund (MOPIX) has a higher volatility of 5.92% compared to MainStay Winslow Large Cap Growth Fund (MLAAX) at 3.68%. This indicates that MOPIX's price experiences larger fluctuations and is considered to be riskier than MLAAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MOPIX	MLAAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.92%	3.68%	+2.24%
Volatility (6M) Calculated over the trailing 6-month period	13.71%	12.30%	+1.41%
Volatility (1Y) Calculated over the trailing 1-year period	18.68%	16.41%	+2.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.81%	25.56%	-2.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.38%	25.71%	-2.33%

MOPIX vs. MLAAX - Expense Ratio Comparison

MOPIX has a 0.97% expense ratio, which is higher than MLAAX's 0.93% expense ratio.

Dividends

MOPIX vs. MLAAX - Dividend Comparison

MOPIX's dividend yield for the trailing twelve months is around 0.12%, less than MLAAX's 22.94% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLAAX MainStay Winslow Large Cap Growth Fund	22.94%	24.37%	22.54%	10.59%	14.95%	26.64%	5.40%	11.55%	23.59%	17.20%	13.18%	13.61%
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%

Frequently Asked Questions

Can I hold both MOPIX and MLAAX in my portfolio?

MOPIX and MLAAX have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MOPIX or MLAAX?

MOPIX has higher volatility (5.92%) compared to MLAAX (3.68%). In terms of maximum drawdown, MOPIX dropped -68.08% vs MLAAX's -83.01%.

Which has better risk-adjusted returns?

MOPIX currently has the higher Sharpe Ratio (3.20 vs 1.03), 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.