BKMC vs. MDYG

Last updated Jun 4, 2026

BKMC (BNY Mellon US Mid Cap Core Equity ETF) and MDYG (SPDR S&P 400 Mid Cap Growth ETF) are both Mid Cap Growth Equities funds - BKMC tracks the Morningstar US Mid Cap Index while MDYG tracks the S&P MidCap 400 Growth Index. Both are passively managed. Over the past 5 years, BKMC returned 7.85%/yr vs 8.60%/yr for MDYG. With a 0.95 correlation, they move nearly in lockstep. BKMC charges 0.04%/yr vs 0.15%/yr for MDYG.

Performance

BKMC vs. MDYG - Performance Comparison

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

Returns By Period

In the year-to-date period, BKMC achieves a 11.31% return, which is significantly lower than MDYG's 19.12% return.

BKMC

• 1D: -0.34%
• 1M: 3.45%
• YTD: 11.31%
• 6M: 11.40%
• 1Y: 23.02%
• 3Y*: 16.09%
• 5Y*: 7.85%
• 10Y*: —

MDYG

• 1D: 0.19%
• 1M: 5.83%
• YTD: 19.12%
• 6M: 19.35%
• 1Y: 29.98%
• 3Y*: 18.05%
• 5Y*: 8.60%
• 10Y*: 11.58%

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

BKMC vs. MDYG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
BKMC BNY Mellon US Mid Cap Core Equity ETF	11.31%	8.74%	13.78%	17.50%	-16.03%	23.83%	45.93%
MDYG SPDR S&P 400 Mid Cap Growth ETF	19.12%	7.22%	15.84%	17.30%	-18.92%	18.46%	49.84%

Correlation

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

BKMC vs. MDYG - Sectors Allocation Comparison

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

Return for Risk

BKMC vs. MDYG — Risk / Return Rank

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

BKMC

BKMC Risk / Return Rank: 46
BKMC Sharpe Ratio Rank: 43
BKMC Sortino Ratio Rank: 45
BKMC Omega Ratio Rank: 41
BKMC Calmar Ratio Rank: 48
BKMC Martin Ratio Rank: 53

MDYG

MDYG Risk / Return Rank: 55
MDYG Sharpe Ratio Rank: 50
MDYG Sortino Ratio Rank: 52
MDYG Omega Ratio Rank: 48
MDYG Calmar Ratio Rank: 60
MDYG Martin Ratio Rank: 66

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.

BKMC vs. MDYG - Risk-Adjusted Trends Comparison

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

	BKMC	MDYG	Difference
Sharpe ratio Return per unit of total volatility	1.53	1.77	-0.24
Sortino ratio Return per unit of downside risk	2.26	2.54	-0.28
Omega ratio Gain probability vs. loss probability	1.27	1.31	-0.04
Calmar ratio Return relative to maximum drawdown	2.36	3.04	-0.68
Martin ratio Return relative to average drawdown	9.06	12.15	-3.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BKMC vs. MDYG - Sharpe Ratio Comparison

The current BKMC Sharpe Ratio is 1.53, which is comparable to the MDYG Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of BKMC and MDYG, 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

	BKMC	MDYG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.53	1.77	-0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.42	0.42	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.55	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.82	0.48	+0.34

Drawdowns

BKMC vs. MDYG - Drawdown Comparison

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

Drawdown Indicators

	BKMC	MDYG	Difference
Max Drawdown Largest peak-to-trough decline	-25.02%	-58.44%	+33.42%
Max Drawdown (1Y) Largest decline over 1 year	-9.82%	-9.91%	+0.09%
Max Drawdown (3Y) Largest decline over 3 years	-23.68%	-25.45%	+1.77%
Max Drawdown (5Y) Largest decline over 5 years	-25.02%	-29.26%	+4.24%
Max Drawdown (10Y) Largest decline over 10 years	—	-39.27%	—
Current Drawdown Current decline from peak	-0.34%	0.00%	-0.34%
Average Drawdown Average peak-to-trough decline	-6.55%	-8.03%	+1.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.55%	2.47%	+0.08%

Volatility

BKMC vs. MDYG - Volatility Comparison

The current volatility for BNY Mellon US Mid Cap Core Equity ETF (BKMC) is 4.16%, while SPDR S&P 400 Mid Cap Growth ETF (MDYG) has a volatility of 5.23%. This indicates that BKMC experiences smaller price fluctuations and is considered to be less risky than MDYG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BKMC	MDYG	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.16%	5.23%	-1.07%
Volatility (6M) Calculated over the trailing 6-month period	10.93%	13.22%	-2.29%
Volatility (1Y) Calculated over the trailing 1-year period	15.12%	17.05%	-1.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.77%	20.62%	-1.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.16%	21.05%	-1.89%

BKMC vs. MDYG - Expense Ratio Comparison

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

Dividends

BKMC vs. MDYG - Dividend Comparison

BKMC's dividend yield for the trailing twelve months is around 1.38%, more than MDYG's 0.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BKMC BNY Mellon US Mid Cap Core Equity ETF	1.38%	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 BKMC and MDYG in my portfolio?

With a correlation of 0.94, BKMC and MDYG 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, BKMC or MDYG?

MDYG has higher volatility (5.23%) compared to BKMC (4.16%). In terms of maximum drawdown, BKMC dropped -25.02% vs MDYG's -58.44%.

Which ETF is better, BKMC or MDYG?

On 5-year performance, MDYG leads with 8.60% vs 7.85% for BKMC. On fees, BKMC is cheaper at 0.04% per year. On volatility, BKMC has been the lower-risk option at 4.16%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BKMC or MDYG?

Over the 5-year period, MDYG has performed better with a 8.60% return vs 7.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BKMC or MDYG?

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

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

BKMC has the higher dividend yield at 1.38%, compared with 0.61% for MDYG.

What is the main difference between BKMC and MDYG?

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

Which has better risk-adjusted returns?

MDYG currently has the higher Sharpe Ratio (1.77 vs 1.53), 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.