JMID vs. MDYG

Last updated Jun 5, 2026

JMID (Janus Henderson Mid Cap Growth Alpha ETF) and MDYG (SPDR S&P 400 Mid Cap Growth ETF) are both Mid Cap Growth Equities funds. JMID is actively managed, while MDYG is passively managed. Over the past year, JMID returned 14.19% vs 30.20% for MDYG. Their correlation of 0.91 suggests significant overlap in exposure. JMID charges 0.30%/yr vs 0.15%/yr for MDYG.

Performance

JMID vs. MDYG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Mid Cap Growth Alpha ETF (JMID) 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, JMID achieves a 10.46% return, which is significantly lower than MDYG's 19.44% return.

JMID

• 1D: 0.81%
• 1M: 4.35%
• YTD: 10.46%
• 6M: 9.00%
• 1Y: 14.19%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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%

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

JMID vs. MDYG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
JMID Janus Henderson Mid Cap Growth Alpha ETF	10.46%	5.56%	11.37%
MDYG SPDR S&P 400 Mid Cap Growth ETF	19.44%	7.22%	0.84%

Correlation

The correlation between JMID and MDYG is 0.91, 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	0.91
Correlation (All Time) Calculated using the full available price history since Sep 19, 2024	0.91

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

JMID vs. MDYG - Sectors Allocation Comparison

Sectors	JMID	MDYG
Industrials	27.2%	30.9%
Consumer Cyclical	20.6%	8.1%
Technology	18.4%	21.5%
Healthcare	13.9%	13.7%
Financial Services	6.0%	7.1%
Communication Services	4.0%	1.5%
Consumer Defensive	3.5%	2.1%
Real Estate	2.4%	5.6%
Energy	2.0%	3.7%
Basic Materials	1.3%	3.7%
Utilities	0.9%	2.0%

Return for Risk

JMID vs. MDYG — Risk / Return Rank

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

JMID

JMID Risk / Return Rank: 26
JMID Sharpe Ratio Rank: 25
JMID Sortino Ratio Rank: 25
JMID Omega Ratio Rank: 23
JMID Calmar Ratio Rank: 28
JMID Martin Ratio Rank: 31

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

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.

JMID vs. MDYG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Mid Cap Growth Alpha ETF (JMID) 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.

	JMID	MDYG	Difference
Sharpe ratio: Return per unit of total volatility	0.86	1.78	-0.92
Sortino ratio: Return per unit of downside risk	1.33	2.56	-1.23
Omega ratio: Gain probability vs. loss probability	1.15	1.31	-0.16
Calmar ratio: Return relative to maximum drawdown	1.32	3.06	-1.74
Martin ratio: Return relative to average drawdown	4.42	12.24	-7.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JMID vs. MDYG - Sharpe Ratio Comparison

The current JMID Sharpe Ratio is 0.86, which is lower than the MDYG Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of JMID 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

	JMID	MDYG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.86	1.78	-0.92
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.42	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.55	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.77	0.48	+0.29

Drawdowns

JMID vs. MDYG - Drawdown Comparison

The maximum JMID drawdown since its inception was -25.58%, smaller than the maximum MDYG drawdown of -58.44%. Use the drawdown chart below to compare losses from any high point for JMID and MDYG.

Drawdown Indicators

	JMID	MDYG	Difference
Max Drawdown Largest peak-to-trough decline	-25.58%	-58.44%	+32.86%
Max Drawdown (1Y) Largest decline over 1 year	-10.82%	-9.91%	-0.91%
Max Drawdown (3Y) Largest decline over 3 years	—	-25.45%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-29.26%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-39.27%	—
Current Drawdown Current decline from peak	-0.28%	0.00%	-0.28%
Average Drawdown Average peak-to-trough decline	-4.57%	-8.03%	+3.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.22%	2.47%	+0.75%

Volatility

JMID vs. MDYG - Volatility Comparison

The current volatility for Janus Henderson Mid Cap Growth Alpha ETF (JMID) is 4.23%, while SPDR S&P 400 Mid Cap Growth ETF (MDYG) has a volatility of 5.08%. This indicates that JMID 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

	JMID	MDYG	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.23%	5.08%	-0.85%
Volatility (6M) Calculated over the trailing 6-month period	12.68%	13.21%	-0.53%
Volatility (1Y) Calculated over the trailing 1-year period	16.56%	17.01%	-0.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.58%	20.62%	+0.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.58%	21.05%	+0.53%

JMID vs. MDYG - Expense Ratio Comparison

JMID has a 0.30% expense ratio, which is higher than MDYG's 0.15% expense ratio.

Dividends

JMID vs. MDYG - Dividend Comparison

JMID's dividend yield for the trailing twelve months is around 0.63%, more than MDYG's 0.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JMID Janus Henderson Mid Cap Growth Alpha ETF	0.63%	0.75%	0.10%	0.00%	0.00%	0.00%	0.00%	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 JMID and MDYG in my portfolio?

With a correlation of 0.91, JMID 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, JMID or MDYG?

MDYG has higher volatility (5.08%) compared to JMID (4.23%). In terms of maximum drawdown, JMID dropped -25.58% vs MDYG's -58.44%.

Which ETF is better, JMID or MDYG?

On 1-year performance, MDYG leads with 30.20% vs 14.19% for JMID. On fees, MDYG is cheaper at 0.15% per year. On volatility, JMID has been the lower-risk option at 4.23%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, JMID or MDYG?

Over the 1-year period, MDYG has performed better with a 30.20% return vs 14.19%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, JMID or MDYG?

MDYG is cheaper with a 0.15% expense ratio, compared with 0.30% for JMID.

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

JMID has the higher dividend yield at 0.63%, compared with 0.61% for MDYG.

What is the main difference between JMID and MDYG?

They also come from different issuers: Janus Henderson and State Street. Their fees differ too: 0.30% for JMID and 0.15% for MDYG.

Which has better risk-adjusted returns?

MDYG currently has the higher Sharpe Ratio (1.78 vs 0.86), 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.