MDYG vs. TMDIX
Compare and contrast key facts about SPDR S&P 400 Mid Cap Growth ETF (MDYG) and AMG TimesSquare Mid Cap Growth Fund (TMDIX).
MDYG is a passively managed fund by State Street that tracks the performance of the S&P MidCap 400 Growth Index. It was launched on Nov 8, 2005. TMDIX is managed by AMG. It was launched on Mar 4, 2005.
Performance
MDYG vs. TMDIX - Performance Comparison
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MDYG vs. TMDIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MDYG SPDR S&P 400 Mid Cap Growth ETF | 5.12% | 7.22% | 15.84% | 17.30% | -18.92% | 18.46% | 22.57% | 26.10% | -10.46% | 19.61% |
TMDIX AMG TimesSquare Mid Cap Growth Fund | -7.75% | -1.76% | 10.84% | 25.07% | -22.26% | 16.75% | 33.42% | 63.26% | -4.28% | 22.66% |
Returns By Period
In the year-to-date period, MDYG achieves a 5.12% return, which is significantly higher than TMDIX's -7.75% return. Over the past 10 years, MDYG has underperformed TMDIX with an annualized return of 10.61%, while TMDIX has yielded a comparatively higher 12.04% annualized return.
MDYG
- 1D
- 1.12%
- 1M
- -5.69%
- YTD
- 5.12%
- 6M
- 6.18%
- 1Y
- 22.14%
- 3Y*
- 13.40%
- 5Y*
- 5.95%
- 10Y*
- 10.61%
TMDIX
- 1D
- 3.61%
- 1M
- -6.63%
- YTD
- -7.75%
- 6M
- -20.45%
- 1Y
- -6.80%
- 3Y*
- 5.37%
- 5Y*
- 2.30%
- 10Y*
- 12.04%
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MDYG vs. TMDIX - Expense Ratio Comparison
MDYG has a 0.15% expense ratio, which is lower than TMDIX's 0.98% expense ratio.
Return for Risk
MDYG vs. TMDIX — Risk / Return Rank
MDYG
TMDIX
MDYG vs. TMDIX - 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 AMG TimesSquare Mid Cap Growth Fund (TMDIX). 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 | TMDIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.00 | -0.26 | +1.26 |
Sortino ratioReturn per unit of downside risk | 1.54 | -0.19 | +1.73 |
Omega ratioGain probability vs. loss probability | 1.21 | 0.97 | +0.24 |
Calmar ratioReturn relative to maximum drawdown | 1.69 | -0.35 | +2.04 |
Martin ratioReturn relative to average drawdown | 7.23 | -0.90 | +8.14 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MDYG | TMDIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.00 | -0.26 | +1.26 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.29 | 0.11 | +0.18 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | 0.58 | -0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.45 | 0.51 | -0.05 |
Correlation
The correlation between MDYG and TMDIX is 0.89, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
MDYG vs. TMDIX - Dividend Comparison
MDYG's dividend yield for the trailing twelve months is around 0.69%, while TMDIX has not paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MDYG SPDR S&P 400 Mid Cap Growth ETF | 0.69% | 0.75% | 0.87% | 1.20% | 1.16% | 0.69% | 0.71% | 1.21% | 1.36% | 2.23% | 1.25% | 2.51% |
TMDIX AMG TimesSquare Mid Cap Growth Fund | 0.00% | 0.00% | 8.08% | 3.98% | 3.69% | 29.72% | 18.28% | 31.06% | 16.38% | 14.44% | 5.90% | 7.73% |
Drawdowns
MDYG vs. TMDIX - Drawdown Comparison
The maximum MDYG drawdown since its inception was -58.44%, which is greater than TMDIX's maximum drawdown of -48.73%. Use the drawdown chart below to compare losses from any high point for MDYG and TMDIX.
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Drawdown Indicators
| MDYG | TMDIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.44% | -48.73% | -9.71% |
Max Drawdown (1Y)Largest decline over 1 year | -13.66% | -25.45% | +11.79% |
Max Drawdown (5Y)Largest decline over 5 years | -29.26% | -30.53% | +1.27% |
Max Drawdown (10Y)Largest decline over 10 years | -39.27% | -35.44% | -3.83% |
Current DrawdownCurrent decline from peak | -5.69% | -22.75% | +17.06% |
Average DrawdownAverage peak-to-trough decline | -8.08% | -7.07% | -1.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.18% | 9.83% | -6.65% |
Volatility
MDYG vs. TMDIX - Volatility Comparison
SPDR S&P 400 Mid Cap Growth ETF (MDYG) has a higher volatility of 7.89% compared to AMG TimesSquare Mid Cap Growth Fund (TMDIX) at 7.03%. This indicates that MDYG's price experiences larger fluctuations and is considered to be riskier than TMDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MDYG | TMDIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.89% | 7.03% | +0.86% |
Volatility (6M)Calculated over the trailing 6-month period | 13.31% | 17.30% | -3.99% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.21% | 23.66% | -1.45% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.55% | 20.35% | +0.20% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.99% | 21.02% | -0.03% |