DBMYX vs. FMDGX

Last updated Aug 4, 2026

DBMYX (BNY Mellon Small/Mid Cap Growth Fund Class Y) and FMDGX (Fidelity Mid Cap Growth Index Fund) are both Mid Cap Growth Equities funds - DBMYX tracks the Russell 2500 Growth Index while FMDGX tracks the Russell Midcap Growth Index. Both are passively managed. Over the past 5 years, DBMYX returned -0.75%/yr vs 4.37%/yr for FMDGX. Their correlation of 0.91 means they have usually moved in the same direction. DBMYX charges 0.63%/yr vs 0.05%/yr for FMDGX.

Performance

DBMYX vs. FMDGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BNY Mellon Small/Mid Cap Growth Fund Class Y (DBMYX) and Fidelity Mid Cap Growth Index Fund (FMDGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DBMYX achieves a 7.20% return, which is significantly higher than FMDGX's 0.31% return.

DBMYX

• 1D: -1.02%
• 1M: -6.33%
• 6M: -1.43%
• YTD: 7.20%
• 1Y: 15.53%
• 3Y*: 10.37%
• 5Y*: -0.75%
• 10Y*: 11.34%
• ALL TIME*: 9.90%

FMDGX

• 1D: -0.28%
• 1M: -4.14%
• 6M: 0.83%
• YTD: 0.31%
• 1Y: -1.05%
• 3Y*: 12.08%
• 5Y*: 4.37%
• 10Y*: —
• ALL TIME*: 9.95%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DBMYX BNY Mellon Small/Mid Cap Growth Fund Class Y	$0.00	$0.00	$0.00
FMDGX Fidelity Mid Cap Growth Index Fund	$0.00	$0.00	$0.00

DBMYX vs. FMDGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
DBMYX BNY Mellon Small/Mid Cap Growth Fund Class Y	7.20%	11.94%	10.09%	15.63%	-33.11%	-4.44%	68.62%	4.08%
FMDGX Fidelity Mid Cap Growth Index Fund	0.31%	8.60%	22.03%	25.79%	-26.67%	12.67%	34.84%	4.63%

Correlation

The correlation between DBMYX and FMDGX is 0.84, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.84
Correlation (3Y) Balances recent behavior with more history.	0.88
Correlation (5Y) Shows whether the relationship held over a longer period.	0.91
Correlation (All Time) Calculated using the full available price history since Jul 17, 2019	0.91

The correlation between DBMYX and FMDGX has been stable across timeframes, ranging from 0.84 to 0.91 - a consistent structural relationship.

Return for Risk

DBMYX vs. FMDGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

DBMYX

DBMYX Risk / Return Rank: 14
DBMYX Sharpe Ratio Rank: 14
DBMYX Sortino Ratio Rank: 17
DBMYX Omega Ratio Rank: 14
DBMYX Calmar Ratio Rank: 13
DBMYX Martin Ratio Rank: 14

FMDGX

FMDGX Risk / Return Rank: 3
FMDGX Sharpe Ratio Rank: 3
FMDGX Sortino Ratio Rank: 3
FMDGX Omega Ratio Rank: 3
FMDGX Calmar Ratio Rank: 3
FMDGX Martin Ratio Rank: 2

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

DBMYX vs. FMDGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Small/Mid Cap Growth Fund Class Y (DBMYX) and Fidelity Mid Cap Growth Index Fund (FMDGX). 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.

	DBMYX	FMDGX	Difference
Sharpe ratio: Return per unit of total volatility	0.61	-0.15	+0.77
Sortino ratio: Return per unit of downside risk	1.06	-0.10	+1.15
Omega ratio: Gain probability vs. loss probability	1.12	0.99	+0.13
Calmar ratio: Return relative to maximum drawdown	0.70	-0.18	+0.89
Martin ratio: Return relative to average drawdown	2.13	-0.51	+2.64

DBMYX vs. FMDGX - Sharpe Ratio Comparison

The current DBMYX Sharpe Ratio is 0.61, which is higher than the FMDGX Sharpe Ratio of -0.15. The chart below compares the historical Sharpe Ratios of DBMYX and FMDGX, 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

DBMYX vs. FMDGX - Drawdown Comparison

The maximum DBMYX drawdown since its inception was -48.24%, which is greater than FMDGX's maximum drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for DBMYX and FMDGX.

Drawdown Indicators

	DBMYX	FMDGX	Difference
Max Drawdown Largest peak-to-trough decline	-48.24%	-38.59%	-9.65%
Max Drawdown (1Y) Largest decline over 1 year	-19.58%	-14.75%	-4.83%
Max Drawdown (3Y) Largest decline over 3 years	-25.20%	-25.30%	+0.10%
Max Drawdown (5Y) Largest decline over 5 years	-45.79%	-38.59%	-7.20%
Max Drawdown (10Y) Largest decline over 10 years	-48.24%	—	—
Current Drawdown Current decline from peak	-13.62%	-6.46%	-7.16%
Average Drawdown Average peak-to-trough decline	-15.13%	-11.02%	-4.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.44%	5.30%	+1.14%

Volatility

DBMYX vs. FMDGX - Volatility Comparison

BNY Mellon Small/Mid Cap Growth Fund Class Y (DBMYX) has a higher volatility of 5.59% compared to Fidelity Mid Cap Growth Index Fund (FMDGX) at 5.09%. This indicates that DBMYX's price experiences larger fluctuations and is considered to be riskier than FMDGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DBMYX	FMDGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.59%	5.09%	+0.50%
Volatility (6M) Calculated over the trailing 6-month period	17.19%	13.99%	+3.20%
Volatility (1Y) Calculated over the trailing 1-year period	22.50%	17.60%	+4.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.73%	22.53%	+2.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.36%	24.22%	+0.14%

DBMYX vs. FMDGX - Expense Ratio Comparison

DBMYX has a 0.63% expense ratio, which is higher than FMDGX's 0.05% expense ratio.

Dividends

DBMYX vs. FMDGX - Dividend Comparison

DBMYX's dividend yield for the trailing twelve months is around 47.75%, more than FMDGX's 1.85% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DBMYX BNY Mellon Small/Mid Cap Growth Fund Class Y	47.75%	51.19%	0.43%	0.00%	0.00%	8.97%	7.86%	0.00%	8.66%	9.12%	2.20%	6.55%
FMDGX Fidelity Mid Cap Growth Index Fund	1.85%	1.85%	0.47%	0.63%	0.81%	6.43%	0.36%	0.29%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both DBMYX and FMDGX in my portfolio?

DBMYX and FMDGX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DBMYX or FMDGX?

DBMYX has higher volatility (5.59%) compared to FMDGX (5.09%). In terms of maximum drawdown, DBMYX dropped -48.24% vs FMDGX's -38.59%.

Which has better risk-adjusted returns?

DBMYX currently has the higher Sharpe Ratio (0.61 vs -0.15), 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.