MDYG vs. BKMC

Last updated Jun 5, 2026

MDYG (SPDR S&P 400 Mid Cap Growth ETF) and BKMC (BNY Mellon US Mid Cap Core Equity ETF) are both Mid Cap Growth Equities funds - MDYG tracks the S&P MidCap 400 Growth Index while BKMC tracks the Morningstar US Mid Cap Index. Both are passively managed. Over the past 5 years, MDYG returned 8.66%/yr vs 7.98%/yr for BKMC. With a 0.95 correlation, they move nearly in lockstep. MDYG charges 0.15%/yr vs 0.04%/yr for BKMC.

Performance

MDYG vs. BKMC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P 400 Mid Cap Growth ETF (MDYG) and BNY Mellon US Mid Cap Core Equity ETF (BKMC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MDYG achieves a 19.44% return, which is significantly higher than BKMC's 11.95% return.

MDYG

• 1D: 0.27%
• 1M: 4.57%
• YTD: 19.44%
• 6M: 18.73%
• 1Y: 30.20%
• 3Y*: 18.49%
• 5Y*: 8.66%
• 10Y*: 11.58%

BKMC

• 1D: 0.57%
• 1M: 2.95%
• YTD: 11.95%
• 6M: 11.20%
• 1Y: 23.76%
• 3Y*: 16.44%
• 5Y*: 7.98%
• 10Y*: —

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

MDYG vs. BKMC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
MDYG SPDR S&P 400 Mid Cap Growth ETF	19.44%	7.22%	15.84%	17.30%	-18.92%	18.46%	49.84%
BKMC BNY Mellon US Mid Cap Core Equity ETF	11.95%	8.74%	13.78%	17.50%	-16.03%	23.83%	45.93%

Correlation

The correlation between MDYG and BKMC is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (All Time) Calculated using the full available price history since Apr 13, 2020	0.95

The correlation between MDYG and BKMC has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.

MDYG vs. BKMC - Sectors Allocation Comparison

Sectors	MDYG	BKMC
Industrials	30.9%	22.9%
Technology	21.5%	16.2%
Healthcare	13.7%	11.4%
Consumer Cyclical	8.1%	9.1%
Financial Services	7.1%	12.4%
Real Estate	5.6%	7.6%
Energy	3.7%	3.3%
Basic Materials	3.7%	4.6%
Consumer Defensive	2.1%	4.3%
Utilities	2.0%	2.4%
Communication Services	1.5%	3.5%

Return for Risk

MDYG vs. BKMC — Risk / Return Rank

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

MDYG

MDYG Risk / Return Rank: 58
MDYG Sharpe Ratio Rank: 53
MDYG Sortino Ratio Rank: 54
MDYG Omega Ratio Rank: 51
MDYG Calmar Ratio Rank: 63
MDYG Martin Ratio Rank: 68

BKMC

BKMC Risk / Return Rank: 49
BKMC Sharpe Ratio Rank: 46
BKMC Sortino Ratio Rank: 48
BKMC Omega Ratio Rank: 44
BKMC Calmar Ratio Rank: 50
BKMC Martin Ratio Rank: 55

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.

MDYG vs. BKMC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P 400 Mid Cap Growth ETF (MDYG) and BNY Mellon US Mid Cap Core Equity ETF (BKMC). 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.

	MDYG	BKMC	Difference
Sharpe ratio: Return per unit of total volatility	1.78	1.58	+0.20
Sortino ratio: Return per unit of downside risk	2.56	2.32	+0.24
Omega ratio: Gain probability vs. loss probability	1.31	1.28	+0.04
Calmar ratio: Return relative to maximum drawdown	3.06	2.43	+0.63
Martin ratio: Return relative to average drawdown	12.24	9.36	+2.88
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MDYG vs. BKMC - Sharpe Ratio Comparison

The current MDYG Sharpe Ratio is 1.78, which is comparable to the BKMC Sharpe Ratio of 1.58. The chart below compares the historical Sharpe Ratios of MDYG and BKMC, 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

	MDYG	BKMC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.78	1.58	+0.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.42	0.43	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.83	-0.35

Drawdowns

MDYG vs. BKMC - Drawdown Comparison

The maximum MDYG drawdown since its inception was -58.44%, which is greater than BKMC's maximum drawdown of -25.02%. Use the drawdown chart below to compare losses from any high point for MDYG and BKMC.

Drawdown Indicators

	MDYG	BKMC	Difference
Max Drawdown Largest peak-to-trough decline	-58.44%	-25.02%	-33.42%
Max Drawdown (1Y) Largest decline over 1 year	-9.91%	-9.82%	-0.09%
Max Drawdown (3Y) Largest decline over 3 years	-25.45%	-23.68%	-1.77%
Max Drawdown (5Y) Largest decline over 5 years	-29.26%	-25.02%	-4.24%
Max Drawdown (10Y) Largest decline over 10 years	-39.27%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-8.03%	-6.54%	-1.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.47%	2.55%	-0.08%

Volatility

MDYG vs. BKMC - Volatility Comparison

SPDR S&P 400 Mid Cap Growth ETF (MDYG) has a higher volatility of 5.08% compared to BNY Mellon US Mid Cap Core Equity ETF (BKMC) at 4.08%. This indicates that MDYG's price experiences larger fluctuations and is considered to be riskier than BKMC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MDYG	BKMC	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.08%	4.08%	+1.00%
Volatility (6M) Calculated over the trailing 6-month period	13.21%	10.94%	+2.27%
Volatility (1Y) Calculated over the trailing 1-year period	17.01%	15.10%	+1.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.62%	18.77%	+1.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.05%	19.15%	+1.90%

MDYG vs. BKMC - Expense Ratio Comparison

MDYG has a 0.15% expense ratio, which is higher than BKMC's 0.04% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

MDYG vs. BKMC - Dividend Comparison

MDYG's dividend yield for the trailing twelve months is around 0.61%, less than BKMC's 1.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BKMC BNY Mellon US Mid Cap Core Equity ETF	1.37%	1.35%	1.54%	1.38%	1.63%	1.15%	0.86%	0.00%	0.00%	0.00%	0.00%	0.00%
MDYG SPDR S&P 400 Mid Cap Growth ETF	0.61%	0.75%	0.87%	1.20%	1.16%	0.69%	0.71%	1.21%	1.36%	2.23%	1.25%	2.51%

Frequently Asked Questions

Can I hold both MDYG and BKMC in my portfolio?

With a correlation of 0.94, MDYG and BKMC move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MDYG or BKMC?

MDYG has higher volatility (5.08%) compared to BKMC (4.08%). In terms of maximum drawdown, MDYG dropped -58.44% vs BKMC's -25.02%.

Which ETF is better, MDYG or BKMC?

On 5-year performance, MDYG leads with 8.66% vs 7.98% for BKMC. On fees, BKMC is cheaper at 0.04% per year. On volatility, BKMC has been the lower-risk option at 4.08%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MDYG or BKMC?

Over the 5-year period, MDYG has performed better with a 8.66% return vs 7.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MDYG or BKMC?

BKMC is cheaper with a 0.04% expense ratio, compared with 0.15% for MDYG.

Which ETF pays a higher dividend yield, MDYG or BKMC?

BKMC has the higher dividend yield at 1.37%, compared with 0.61% for MDYG.

What is the main difference between MDYG and BKMC?

MDYG tracks S&P MidCap 400 Growth Index, while BKMC tracks Morningstar US Mid Cap Index. They also come from different issuers: State Street and BNY Mellon. Their fees differ too: 0.15% for MDYG and 0.04% for BKMC.

Which has better risk-adjusted returns?

MDYG currently has the higher Sharpe Ratio (1.78 vs 1.58), 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.