JSMD vs. MDYG

Last updated Jun 24, 2026

JSMD (Janus Henderson Small/Mid Cap Growth Alpha ETF) and MDYG (SPDR S&P 400 Mid Cap Growth ETF) are both Mid Cap Growth Equities funds - JSMD tracks the Janus Small Mid Cap Growth Alpha Index while MDYG tracks the S&P MidCap 400 Growth Index. Both are passively managed. Over the past 10 years, JSMD returned 13.87%/yr vs 11.88%/yr for MDYG. Their correlation of 0.90 suggests significant overlap in exposure. JSMD charges 0.30%/yr vs 0.15%/yr for MDYG.

Performance

JSMD vs. MDYG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Small/Mid Cap Growth Alpha ETF (JSMD) and SPDR S&P 400 Mid Cap Growth ETF (MDYG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with JSMD having a 19.16% return and MDYG slightly lower at 18.55%. Over the past 10 years, JSMD has outperformed MDYG with an annualized return of 13.87%, while MDYG has yielded a comparatively lower 11.88% annualized return.

JSMD

• 1D: -1.55%
• 1M: 4.18%
• YTD: 19.16%
• 6M: 15.79%
• 1Y: 28.16%
• 3Y*: 18.47%
• 5Y*: 8.05%
• 10Y*: 13.87%

MDYG

• 1D: -1.57%
• 1M: 2.52%
• YTD: 18.55%
• 6M: 15.99%
• 1Y: 29.41%
• 3Y*: 17.70%
• 5Y*: 8.25%
• 10Y*: 11.88%

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

JSMD vs. MDYG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JSMD Janus Henderson Small/Mid Cap Growth Alpha ETF	19.16%	9.25%	15.08%	26.81%	-22.84%	8.40%	30.79%	31.05%	-4.73%	24.46%
MDYG SPDR S&P 400 Mid Cap Growth ETF	18.55%	7.22%	15.84%	17.30%	-18.92%	18.46%	22.57%	26.10%	-10.46%	19.61%

Correlation

The correlation between JSMD 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 (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Feb 25, 2016	0.90

The correlation between JSMD and MDYG has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.

JSMD vs. MDYG - Sectors Allocation Comparison

Sectors	JSMD	MDYG
Technology	28.1%	24.8%
Industrials	23.3%	30.2%
Healthcare	18.7%	13.7%
Financial Services	8.9%	6.7%
Consumer Cyclical	8.7%	7.5%
Basic Materials	3.0%	3.5%
Communication Services	2.9%	1.4%
Real Estate	2.8%	5.3%
Consumer Defensive	2.5%	1.8%
Energy	1.1%	3.2%
Utilities	-	2.0%

Return for Risk

JSMD vs. MDYG — Risk / Return Rank

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

JSMD

JSMD Risk / Return Rank: 39
JSMD Sharpe Ratio Rank: 39
JSMD Sortino Ratio Rank: 38
JSMD Omega Ratio Rank: 36
JSMD Calmar Ratio Rank: 40
JSMD Martin Ratio Rank: 42

MDYG

MDYG Risk / Return Rank: 57
MDYG Sharpe Ratio Rank: 52
MDYG Sortino Ratio Rank: 52
MDYG Omega Ratio Rank: 48
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.

JSMD vs. MDYG - Risk-Adjusted Trends Comparison

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

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.

	JSMD	MDYG	Difference
Sharpe ratio: Return per unit of total volatility	1.30	1.68	-0.38
Sortino ratio: Return per unit of downside risk	1.87	2.40	-0.54
Omega ratio: Gain probability vs. loss probability	1.23	1.29	-0.06
Calmar ratio: Return relative to maximum drawdown	1.90	2.98	-1.08
Martin ratio: Return relative to average drawdown	6.44	11.83	-5.39

JSMD vs. MDYG - Sharpe Ratio Comparison

The current JSMD Sharpe Ratio is 1.30, which is comparable to the MDYG Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of JSMD 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.

Drawdowns

JSMD vs. MDYG - Drawdown Comparison

The maximum JSMD drawdown since its inception was -38.98%, smaller than the maximum MDYG drawdown of -58.44%. Use the drawdown chart below to compare losses from any high point for JSMD and MDYG.

Drawdown Indicators

	JSMD	MDYG	Difference
Max Drawdown Largest peak-to-trough decline	-38.98%	-58.44%	+19.46%
Max Drawdown (1Y) Largest decline over 1 year	-14.86%	-9.91%	-4.95%
Max Drawdown (3Y) Largest decline over 3 years	-24.01%	-25.45%	+1.44%
Max Drawdown (5Y) Largest decline over 5 years	-32.18%	-29.26%	-2.92%
Max Drawdown (10Y) Largest decline over 10 years	-38.98%	-39.27%	+0.29%
Current Drawdown Current decline from peak	-1.55%	-1.57%	+0.02%
Average Drawdown Average peak-to-trough decline	-7.45%	-8.01%	+0.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.39%	2.49%	+1.90%

Volatility

JSMD vs. MDYG - Volatility Comparison

Janus Henderson Small/Mid Cap Growth Alpha ETF (JSMD) has a higher volatility of 7.47% compared to SPDR S&P 400 Mid Cap Growth ETF (MDYG) at 5.90%. This indicates that JSMD's price experiences larger fluctuations and is considered to be riskier than MDYG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JSMD	MDYG	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.47%	5.90%	+1.57%
Volatility (6M) Calculated over the trailing 6-month period	17.05%	13.90%	+3.15%
Volatility (1Y) Calculated over the trailing 1-year period	21.80%	17.63%	+4.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.01%	20.71%	+2.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.83%	21.08%	+1.75%

JSMD vs. MDYG - Expense Ratio Comparison

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

Dividends

JSMD vs. MDYG - Dividend Comparison

JSMD's dividend yield for the trailing twelve months is around 0.46%, less than MDYG's 0.58% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JSMD Janus Henderson Small/Mid Cap Growth Alpha ETF	0.46%	0.54%	0.76%	0.44%	0.40%	0.28%	0.24%	0.32%	0.53%	0.30%	0.36%	0.00%
MDYG SPDR S&P 400 Mid Cap Growth ETF	0.58%	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 JSMD and MDYG in my portfolio?

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

JSMD has higher volatility (7.47%) compared to MDYG (5.90%). In terms of maximum drawdown, JSMD dropped -38.98% vs MDYG's -58.44%.

Which ETF is better, JSMD or MDYG?

On 10-year performance, JSMD leads with 13.87% vs 11.88% for MDYG. On fees, MDYG is cheaper at 0.15% per year. On volatility, MDYG has been the lower-risk option at 5.90%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, JSMD or MDYG?

Over the 10-year period, JSMD has performed better with a 13.87% return vs 11.88%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, JSMD or MDYG?

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

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

MDYG has the higher dividend yield at 0.58%, compared with 0.46% for JSMD.

What is the main difference between JSMD and MDYG?

JSMD tracks Janus Small Mid Cap Growth Alpha Index, while MDYG tracks S&P MidCap 400 Growth Index. They also come from different issuers: Janus Henderson and State Street. Their fees differ too: 0.30% for JSMD and 0.15% for MDYG.

Which has better risk-adjusted returns?

MDYG currently has the higher Sharpe Ratio (1.68 vs 1.30), 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.