MUBFX vs. KLGAX

Last updated Jun 24, 2026

MUBFX (MainStay WMC Value Fund) and KLGAX (MainStay WMC Growth Fund) are both mutual funds - MUBFX is a Large Cap Value Equities fund managed by New York Life, while KLGAX is a Large Cap Growth Equities fund managed by New York Life. Over the past 10 years, MUBFX returned 13.43%/yr vs 13.89%/yr for KLGAX. Their correlation of 0.83 suggests significant overlap in exposure. MUBFX charges 0.70%/yr vs 1.02%/yr for KLGAX.

Performance

MUBFX vs. KLGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MainStay WMC Value Fund (MUBFX) and MainStay WMC Growth Fund (KLGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MUBFX achieves a 7.62% return, which is significantly higher than KLGAX's 1.11% return. Both investments have delivered pretty close results over the past 10 years, with MUBFX having a 13.43% annualized return and KLGAX not far ahead at 13.89%.

MUBFX

• 1D: 0.22%
• 1M: -0.11%
• YTD: 7.62%
• 6M: 6.71%
• 1Y: 19.47%
• 3Y*: 14.83%
• 5Y*: 9.79%
• 10Y*: 13.43%

KLGAX

• 1D: -1.47%
• 1M: -1.46%
• YTD: 1.11%
• 6M: -0.09%
• 1Y: 13.87%
• 3Y*: 18.29%
• 5Y*: 7.67%
• 10Y*: 13.89%

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

MUBFX vs. KLGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MUBFX MainStay WMC Value Fund	7.62%	14.74%	10.72%	9.62%	-4.54%	28.60%	13.62%	31.67%	-6.89%	22.71%
KLGAX MainStay WMC Growth Fund	1.11%	16.60%	25.22%	38.63%	-33.53%	17.85%	31.88%	29.41%	-4.33%	30.05%

Correlation

The correlation between MUBFX and KLGAX is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.64
Correlation (10Y) Calculated over the trailing 10-year period	0.73
Correlation (All Time) Calculated using the full available price history since Aug 7, 2006	0.83

Over the past year, the correlation between MUBFX and KLGAX has dropped to 0.45 - well below their long-term average of 0.83, suggesting their price drivers have been diverging.

Return for Risk

MUBFX vs. KLGAX — Risk / Return Rank

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

MUBFX

MUBFX Risk / Return Rank: 53
MUBFX Sharpe Ratio Rank: 47
MUBFX Sortino Ratio Rank: 47
MUBFX Omega Ratio Rank: 44
MUBFX Calmar Ratio Rank: 67
MUBFX Martin Ratio Rank: 62

KLGAX

KLGAX Risk / Return Rank: 12
KLGAX Sharpe Ratio Rank: 13
KLGAX Sortino Ratio Rank: 13
KLGAX Omega Ratio Rank: 12
KLGAX Calmar Ratio Rank: 11
KLGAX Martin Ratio Rank: 12

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.

MUBFX vs. KLGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MainStay WMC Value Fund (MUBFX) and MainStay WMC Growth Fund (KLGAX). 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.

	MUBFX	KLGAX	Difference
Sharpe ratio: Return per unit of total volatility	1.87	0.92	+0.95
Sortino ratio: Return per unit of downside risk	2.66	1.34	+1.32
Omega ratio: Gain probability vs. loss probability	1.33	1.17	+0.16
Calmar ratio: Return relative to maximum drawdown	3.02	0.97	+2.05
Martin ratio: Return relative to average drawdown	11.47	3.24	+8.23

MUBFX vs. KLGAX - Sharpe Ratio Comparison

The current MUBFX Sharpe Ratio is 1.87, which is higher than the KLGAX Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of MUBFX and KLGAX, 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

MUBFX vs. KLGAX - Drawdown Comparison

The maximum MUBFX drawdown since its inception was -53.31%, roughly equal to the maximum KLGAX drawdown of -55.04%. Use the drawdown chart below to compare losses from any high point for MUBFX and KLGAX.

Drawdown Indicators

	MUBFX	KLGAX	Difference
Max Drawdown Largest peak-to-trough decline	-53.31%	-55.04%	+1.73%
Max Drawdown (1Y) Largest decline over 1 year	-6.67%	-16.03%	+9.36%
Max Drawdown (3Y) Largest decline over 3 years	-14.19%	-22.71%	+8.52%
Max Drawdown (5Y) Largest decline over 5 years	-15.61%	-39.29%	+23.68%
Max Drawdown (10Y) Largest decline over 10 years	-39.31%	-39.29%	-0.02%
Current Drawdown Current decline from peak	-1.51%	-4.95%	+3.44%
Average Drawdown Average peak-to-trough decline	-6.16%	-9.48%	+3.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.75%	4.77%	-3.02%

Volatility

MUBFX vs. KLGAX - Volatility Comparison

The current volatility for MainStay WMC Value Fund (MUBFX) is 2.98%, while MainStay WMC Growth Fund (KLGAX) has a volatility of 6.46%. This indicates that MUBFX experiences smaller price fluctuations and is considered to be less risky than KLGAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MUBFX	KLGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.98%	6.46%	-3.48%
Volatility (6M) Calculated over the trailing 6-month period	7.73%	13.28%	-5.55%
Volatility (1Y) Calculated over the trailing 1-year period	10.78%	16.84%	-6.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.80%	22.66%	-7.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.91%	22.01%	-4.10%

MUBFX vs. KLGAX - Expense Ratio Comparison

MUBFX has a 0.70% expense ratio, which is lower than KLGAX's 1.02% expense ratio.

Dividends

MUBFX vs. KLGAX - Dividend Comparison

MUBFX's dividend yield for the trailing twelve months is around 6.86%, more than KLGAX's 3.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KLGAX MainStay WMC Growth Fund	3.34%	3.38%	3.96%	0.00%	0.00%	26.57%	3.69%	3.43%	11.10%	3.85%	8.73%	7.55%
MUBFX MainStay WMC Value Fund	6.86%	7.38%	5.24%	4.49%	5.82%	81.14%	3.79%	8.43%	11.90%	11.15%	2.53%	19.99%

Frequently Asked Questions

Can I hold both MUBFX and KLGAX in my portfolio?

MUBFX and KLGAX have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MUBFX or KLGAX?

KLGAX has higher volatility (6.46%) compared to MUBFX (2.98%). In terms of maximum drawdown, MUBFX dropped -53.31% vs KLGAX's -55.04%.

Which has better risk-adjusted returns?

MUBFX currently has the higher Sharpe Ratio (1.87 vs 0.92), 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.