MEMKX vs. DISSX

Last updated Jun 24, 2026

MEMKX (BNY Mellon Emerging Markets Fund) and DISSX (BNY Mellon Smallcap Stock Index Fund) are both mutual funds - MEMKX is a Emerging Markets Diversified fund managed by BNY Mellon, while DISSX is a Small Cap Blend Equities fund managed by BNY Mellon. Over the past 10 years, MEMKX returned 9.81%/yr vs 10.66%/yr for DISSX. A 0.56 correlation means they provide meaningful diversification when combined. MEMKX charges 1.43%/yr vs 0.50%/yr for DISSX.

Performance

MEMKX vs. DISSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BNY Mellon Emerging Markets Fund (MEMKX) and BNY Mellon Smallcap Stock Index Fund (DISSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MEMKX achieves a 20.60% return, which is significantly higher than DISSX's 19.54% return. Over the past 10 years, MEMKX has underperformed DISSX with an annualized return of 9.81%, while DISSX has yielded a comparatively higher 10.66% annualized return.

MEMKX

• 1D: -0.20%
• 1M: 3.34%
• YTD: 20.60%
• 6M: 21.47%
• 1Y: 41.35%
• 3Y*: 16.12%
• 5Y*: 6.33%
• 10Y*: 9.81%

DISSX

• 1D: 0.04%
• 1M: 4.54%
• YTD: 19.54%
• 6M: 17.11%
• 1Y: 34.46%
• 3Y*: 14.91%
• 5Y*: 5.71%
• 10Y*: 10.66%

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

MEMKX vs. DISSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MEMKX BNY Mellon Emerging Markets Fund	20.60%	25.51%	1.94%	7.55%	-21.50%	15.17%	12.95%	21.96%	-19.33%	42.59%
DISSX BNY Mellon Smallcap Stock Index Fund	19.54%	5.41%	6.87%	14.24%	-16.71%	26.41%	10.92%	22.28%	-8.30%	12.40%

Correlation

The correlation between MEMKX and DISSX is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.50
Correlation (5Y) Calculated over the trailing 5-year period	0.53
Correlation (10Y) Calculated over the trailing 10-year period	0.53
Correlation (All Time) Calculated using the full available price history since Sep 29, 2000	0.56

The correlation between MEMKX and DISSX shifts across timeframes, from 0.43 (1 year) to 0.56 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MEMKX vs. DISSX — Risk / Return Rank

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

MEMKX

MEMKX Risk / Return Rank: 76
MEMKX Sharpe Ratio Rank: 78
MEMKX Sortino Ratio Rank: 67
MEMKX Omega Ratio Rank: 75
MEMKX Calmar Ratio Rank: 86
MEMKX Martin Ratio Rank: 73

DISSX

DISSX Risk / Return Rank: 66
DISSX Sharpe Ratio Rank: 56
DISSX Sortino Ratio Rank: 59
DISSX Omega Ratio Rank: 48
DISSX Calmar Ratio Rank: 89
DISSX Martin Ratio Rank: 81

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.

MEMKX vs. DISSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Emerging Markets Fund (MEMKX) and BNY Mellon Smallcap Stock Index Fund (DISSX). 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.

	MEMKX	DISSX	Difference
Sharpe ratio: Return per unit of total volatility	2.39	2.04	+0.35
Sortino ratio: Return per unit of downside risk	3.12	2.94	+0.18
Omega ratio: Gain probability vs. loss probability	1.44	1.35	+0.10
Calmar ratio: Return relative to maximum drawdown	3.90	4.15	-0.24
Martin ratio: Return relative to average drawdown	12.99	13.97	-0.99

MEMKX vs. DISSX - Sharpe Ratio Comparison

The current MEMKX Sharpe Ratio is 2.39, which is comparable to the DISSX Sharpe Ratio of 2.04. The chart below compares the historical Sharpe Ratios of MEMKX and DISSX, 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

MEMKX vs. DISSX - Drawdown Comparison

The maximum MEMKX drawdown since its inception was -61.32%, which is greater than DISSX's maximum drawdown of -58.30%. Use the drawdown chart below to compare losses from any high point for MEMKX and DISSX.

Drawdown Indicators

	MEMKX	DISSX	Difference
Max Drawdown Largest peak-to-trough decline	-61.32%	-58.30%	-3.02%
Max Drawdown (1Y) Largest decline over 1 year	-10.57%	-8.75%	-1.82%
Max Drawdown (3Y) Largest decline over 3 years	-20.43%	-29.02%	+8.59%
Max Drawdown (5Y) Largest decline over 5 years	-31.12%	-29.02%	-2.10%
Max Drawdown (10Y) Largest decline over 10 years	-40.94%	-44.45%	+3.51%
Current Drawdown Current decline from peak	-1.94%	-0.04%	-1.90%
Average Drawdown Average peak-to-trough decline	-13.61%	-9.55%	-4.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.17%	2.59%	+0.58%

Volatility

MEMKX vs. DISSX - Volatility Comparison

BNY Mellon Emerging Markets Fund (MEMKX) has a higher volatility of 7.98% compared to BNY Mellon Smallcap Stock Index Fund (DISSX) at 4.90%. This indicates that MEMKX's price experiences larger fluctuations and is considered to be riskier than DISSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MEMKX	DISSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.98%	4.90%	+3.08%
Volatility (6M) Calculated over the trailing 6-month period	14.65%	12.13%	+2.52%
Volatility (1Y) Calculated over the trailing 1-year period	17.29%	17.82%	-0.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.69%	21.49%	-4.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.09%	23.19%	-5.10%

MEMKX vs. DISSX - Expense Ratio Comparison

MEMKX has a 1.43% expense ratio, which is higher than DISSX's 0.50% expense ratio.

Dividends

MEMKX vs. DISSX - Dividend Comparison

MEMKX's dividend yield for the trailing twelve months is around 0.04%, less than DISSX's 12.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DISSX BNY Mellon Smallcap Stock Index Fund	12.90%	15.42%	14.79%	8.20%	13.87%	10.72%	7.61%	8.35%	13.18%	7.40%	6.49%	11.30%
MEMKX BNY Mellon Emerging Markets Fund	0.04%	0.04%	0.64%	0.04%	13.89%	10.27%	1.19%	1.14%	0.78%	0.79%	0.82%	0.97%

Frequently Asked Questions

Can I hold both MEMKX and DISSX in my portfolio?

MEMKX and DISSX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MEMKX or DISSX?

MEMKX has higher volatility (7.98%) compared to DISSX (4.90%). In terms of maximum drawdown, MEMKX dropped -61.32% vs DISSX's -58.30%.

Which has better risk-adjusted returns?

MEMKX currently has the higher Sharpe Ratio (2.39 vs 2.04), 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.