BPGSX vs. EPSYX

Last updated Jun 24, 2026

BPGSX (Boston Partners Global Sustainability Fund) and EPSYX (MainStay Epoch Global Equity Yield Fund) are both Global Equities funds. Over the past 3 years, BPGSX returned 17.07%/yr vs 21.58%/yr for EPSYX. Their correlation of 0.86 suggests significant overlap in exposure. BPGSX charges 0.90%/yr vs 0.84%/yr for EPSYX.

Performance

BPGSX vs. EPSYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Partners Global Sustainability Fund (BPGSX) and MainStay Epoch Global Equity Yield Fund (EPSYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BPGSX achieves a 2.43% return, which is significantly lower than EPSYX's 18.65% return.

BPGSX

• 1D: 0.00%
• 1M: 0.00%
• YTD: 2.43%
• 6M: 1.72%
• 1Y: 14.15%
• 3Y*: 17.07%
• 5Y*: —
• 10Y*: —

EPSYX

• 1D: 0.17%
• 1M: 2.14%
• YTD: 18.65%
• 6M: 18.17%
• 1Y: 31.88%
• 3Y*: 21.58%
• 5Y*: 13.27%
• 10Y*: 10.69%

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

BPGSX vs. EPSYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
BPGSX Boston Partners Global Sustainability Fund	2.43%	32.86%	9.62%	16.44%	-5.69%
EPSYX MainStay Epoch Global Equity Yield Fund	18.65%	22.09%	15.38%	12.50%	-2.99%

Correlation

The correlation between BPGSX and EPSYX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (All Time) Calculated using the full available price history since Jan 31, 2022	0.86

Over the past year, the correlation between BPGSX and EPSYX has dropped to 0.58 - well below their long-term average of 0.86, suggesting their price drivers have been diverging.

Return for Risk

BPGSX vs. EPSYX — Risk / Return Rank

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

BPGSX

BPGSX Risk / Return Rank: 59
BPGSX Sharpe Ratio Rank: 42
BPGSX Sortino Ratio Rank: 46
BPGSX Omega Ratio Rank: 67
BPGSX Calmar Ratio Rank: 70
BPGSX Martin Ratio Rank: 72

EPSYX

EPSYX Risk / Return Rank: 92
EPSYX Sharpe Ratio Rank: 95
EPSYX Sortino Ratio Rank: 92
EPSYX Omega Ratio Rank: 87
EPSYX Calmar Ratio Rank: 92
EPSYX Martin Ratio Rank: 93

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.

BPGSX vs. EPSYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Partners Global Sustainability Fund (BPGSX) and MainStay Epoch Global Equity Yield Fund (EPSYX). 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.

	BPGSX	EPSYX	Difference
Sharpe ratio: Return per unit of total volatility	1.76	3.12	-1.37
Sortino ratio: Return per unit of downside risk	2.63	4.26	-1.63
Omega ratio: Gain probability vs. loss probability	1.42	1.56	-0.14
Calmar ratio: Return relative to maximum drawdown	3.09	4.59	-1.50
Martin ratio: Return relative to average drawdown	12.88	17.98	-5.09

BPGSX vs. EPSYX - Sharpe Ratio Comparison

The current BPGSX Sharpe Ratio is 1.76, which is lower than the EPSYX Sharpe Ratio of 3.12. The chart below compares the historical Sharpe Ratios of BPGSX and EPSYX, 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

BPGSX vs. EPSYX - Drawdown Comparison

The maximum BPGSX drawdown since its inception was -22.19%, smaller than the maximum EPSYX drawdown of -48.92%. Use the drawdown chart below to compare losses from any high point for BPGSX and EPSYX.

Drawdown Indicators

	BPGSX	EPSYX	Difference
Max Drawdown Largest peak-to-trough decline	-22.19%	-48.92%	+26.73%
Max Drawdown (1Y) Largest decline over 1 year	-5.17%	-7.22%	+2.05%
Max Drawdown (3Y) Largest decline over 3 years	-12.20%	-12.95%	+0.75%
Max Drawdown (5Y) Largest decline over 5 years	—	-18.92%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-36.35%	—
Current Drawdown Current decline from peak	-0.51%	-0.95%	+0.44%
Average Drawdown Average peak-to-trough decline	-4.00%	-6.89%	+2.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.21%	1.84%	-0.63%

Volatility

BPGSX vs. EPSYX - Volatility Comparison

The current volatility for Boston Partners Global Sustainability Fund (BPGSX) is 0.00%, while MainStay Epoch Global Equity Yield Fund (EPSYX) has a volatility of 3.87%. This indicates that BPGSX experiences smaller price fluctuations and is considered to be less risky than EPSYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BPGSX	EPSYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.00%	3.87%	-3.87%
Volatility (6M) Calculated over the trailing 6-month period	5.19%	8.35%	-3.16%
Volatility (1Y) Calculated over the trailing 1-year period	9.11%	10.63%	-1.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.04%	13.10%	+1.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.04%	14.89%	+0.15%

BPGSX vs. EPSYX - Expense Ratio Comparison

BPGSX has a 0.90% expense ratio, which is higher than EPSYX's 0.84% expense ratio.

Dividends

BPGSX vs. EPSYX - Dividend Comparison

BPGSX's dividend yield for the trailing twelve months is around 80.06%, more than EPSYX's 6.70% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BPGSX Boston Partners Global Sustainability Fund	80.06%	16.14%	3.04%	1.52%	1.49%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
EPSYX MainStay Epoch Global Equity Yield Fund	6.70%	8.24%	10.13%	2.71%	2.64%	2.66%	2.74%	6.87%	9.87%	2.24%	3.18%	9.65%

Frequently Asked Questions

Can I hold both BPGSX and EPSYX in my portfolio?

BPGSX and EPSYX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BPGSX or EPSYX?

EPSYX has higher volatility (3.87%) compared to BPGSX (0.00%). In terms of maximum drawdown, BPGSX dropped -22.19% vs EPSYX's -48.92%.

Which has better risk-adjusted returns?

EPSYX currently has the higher Sharpe Ratio (3.12 vs 1.76), 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.