TEKX vs. MDYG

Last updated Jun 5, 2026

TEKX (SPDR Galaxy Transformative Tech Accelerators ETF) and MDYG (SPDR S&P 400 Mid Cap Growth ETF) are both Mid Cap Growth Equities funds. TEKX is actively managed, while MDYG is passively managed. Over the past year, TEKX returned 153.57% vs 30.20% for MDYG. A 0.68 correlation means they provide meaningful diversification when combined. TEKX charges 0.65%/yr vs 0.15%/yr for MDYG.

Performance

TEKX vs. MDYG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR Galaxy Transformative Tech Accelerators ETF (TEKX) 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, TEKX achieves a 78.46% return, which is significantly higher than MDYG's 19.44% return.

TEKX

• 1D: -0.91%
• 1M: 27.16%
• YTD: 78.46%
• 6M: 62.40%
• 1Y: 153.57%
• 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)

TEKX vs. MDYG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TEKX SPDR Galaxy Transformative Tech Accelerators ETF	78.46%	40.92%	14.80%
MDYG SPDR S&P 400 Mid Cap Growth ETF	19.44%	7.22%	5.43%

Correlation

The correlation between TEKX and MDYG is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.67
Correlation (All Time) Calculated using the full available price history since Sep 11, 2024	0.68

The correlation between TEKX and MDYG has been stable across timeframes, ranging from 0.67 to 0.68 - a consistent structural relationship.

TEKX vs. MDYG - Sectors Allocation Comparison

Sectors	TEKX	MDYG
Technology	46.4%	21.5%
Financial Services	26.9%	7.1%
Industrials	17.2%	30.9%
Basic Materials	3.3%	3.7%
Utilities	3.1%	2.0%
Energy	1.8%	3.7%
Communication Services	1.7%	1.5%
Consumer Cyclical	1.5%	8.1%
Consumer Defensive	1.3%	2.1%
Healthcare	-	13.7%
Real Estate	-	5.6%

Return for Risk

TEKX vs. MDYG — Risk / Return Rank

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

TEKX

TEKX Risk / Return Rank: 94
TEKX Sharpe Ratio Rank: 96
TEKX Sortino Ratio Rank: 92
TEKX Omega Ratio Rank: 89
TEKX Calmar Ratio Rank: 96
TEKX Martin Ratio Rank: 95

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.

TEKX vs. MDYG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Galaxy Transformative Tech Accelerators ETF (TEKX) 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.

	TEKX	MDYG	Difference
Sharpe ratio: Return per unit of total volatility	4.13	1.78	+2.35
Sortino ratio: Return per unit of downside risk	4.42	2.56	+1.87
Omega ratio: Gain probability vs. loss probability	1.55	1.31	+0.24
Calmar ratio: Return relative to maximum drawdown	8.62	3.06	+5.56
Martin ratio: Return relative to average drawdown	28.47	12.24	+16.23
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TEKX vs. MDYG - Sharpe Ratio Comparison

The current TEKX Sharpe Ratio is 4.13, which is higher than the MDYG Sharpe Ratio of 1.78. The chart below compares the historical Sharpe Ratios of TEKX 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

	TEKX	MDYG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.13	1.78	+2.35
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	1.92	0.48	+1.43

Drawdowns

TEKX vs. MDYG - Drawdown Comparison

The maximum TEKX drawdown since its inception was -45.57%, smaller than the maximum MDYG drawdown of -58.44%. Use the drawdown chart below to compare losses from any high point for TEKX and MDYG.

Drawdown Indicators

	TEKX	MDYG	Difference
Max Drawdown Largest peak-to-trough decline	-45.57%	-58.44%	+12.87%
Max Drawdown (1Y) Largest decline over 1 year	-17.92%	-9.91%	-8.01%
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	-1.49%	0.00%	-1.49%
Average Drawdown Average peak-to-trough decline	-10.28%	-8.03%	-2.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.42%	2.47%	+2.95%

Volatility

TEKX vs. MDYG - Volatility Comparison

SPDR Galaxy Transformative Tech Accelerators ETF (TEKX) has a higher volatility of 10.10% compared to SPDR S&P 400 Mid Cap Growth ETF (MDYG) at 5.08%. This indicates that TEKX'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

	TEKX	MDYG	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.10%	5.08%	+5.02%
Volatility (6M) Calculated over the trailing 6-month period	29.57%	13.21%	+16.36%
Volatility (1Y) Calculated over the trailing 1-year period	37.44%	17.01%	+20.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.46%	20.62%	+23.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.46%	21.05%	+23.41%

TEKX vs. MDYG - Expense Ratio Comparison

TEKX has a 0.65% expense ratio, which is higher than MDYG's 0.15% expense ratio.

Dividends

TEKX vs. MDYG - Dividend Comparison

TEKX's dividend yield for the trailing twelve months is around 0.20%, less than MDYG's 0.61% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
TEKX SPDR Galaxy Transformative Tech Accelerators ETF	0.20%	0.36%	3.47%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TEKX and MDYG in my portfolio?

TEKX and MDYG have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TEKX or MDYG?

TEKX has higher volatility (10.10%) compared to MDYG (5.08%). In terms of maximum drawdown, TEKX dropped -45.57% vs MDYG's -58.44%.

Which ETF is better, TEKX or MDYG?

On 1-year performance, TEKX leads with 153.57% vs 30.20% for MDYG. On fees, MDYG is cheaper at 0.15% per year. On volatility, MDYG has been the lower-risk option at 5.08%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TEKX or MDYG?

Over the 1-year period, TEKX has performed better with a 153.57% return vs 30.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TEKX or MDYG?

MDYG is cheaper with a 0.15% expense ratio, compared with 0.65% for TEKX.

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

MDYG has the higher dividend yield at 0.61%, compared with 0.20% for TEKX.

What is the main difference between TEKX and MDYG?

They also come from different issuers: State Street Global Advisors and State Street. Their fees differ too: 0.65% for TEKX and 0.15% for MDYG.

Which has better risk-adjusted returns?

TEKX currently has the higher Sharpe Ratio (4.13 vs 1.78), 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.