TMDIX vs. MDYG
Compare and contrast key facts about AMG TimesSquare Mid Cap Growth Fund (TMDIX) and SPDR S&P 400 Mid Cap Growth ETF (MDYG).
TMDIX is managed by AMG. It was launched on Mar 4, 2005. 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.
Performance
TMDIX vs. MDYG - Performance Comparison
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TMDIX vs. MDYG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TMDIX AMG TimesSquare Mid Cap Growth Fund | -10.97% | -1.76% | 10.84% | 25.07% | -22.26% | 16.75% | 33.42% | 63.26% | -4.28% | 22.66% |
MDYG SPDR S&P 400 Mid Cap Growth ETF | 3.96% | 7.22% | 15.84% | 17.30% | -18.92% | 18.46% | 22.57% | 26.10% | -10.46% | 19.61% |
Returns By Period
In the year-to-date period, TMDIX achieves a -10.97% return, which is significantly lower than MDYG's 3.96% return. Over the past 10 years, TMDIX has outperformed MDYG with an annualized return of 11.64%, while MDYG has yielded a comparatively lower 10.49% annualized return.
TMDIX
- 1D
- -0.99%
- 1M
- -9.23%
- YTD
- -10.97%
- 6M
- -23.70%
- 1Y
- -9.34%
- 3Y*
- 4.13%
- 5Y*
- 1.97%
- 10Y*
- 11.64%
MDYG
- 1D
- 3.54%
- 1M
- -5.45%
- YTD
- 3.96%
- 6M
- 5.17%
- 1Y
- 21.66%
- 3Y*
- 12.98%
- 5Y*
- 5.72%
- 10Y*
- 10.49%
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TMDIX vs. MDYG - Expense Ratio Comparison
TMDIX has a 0.98% expense ratio, which is higher than MDYG's 0.15% expense ratio.
Return for Risk
TMDIX vs. MDYG — Risk / Return Rank
TMDIX
MDYG
TMDIX vs. MDYG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AMG TimesSquare Mid Cap Growth Fund (TMDIX) 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.
| TMDIX | MDYG | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.41 | 0.98 | -1.39 |
Sortino ratioReturn per unit of downside risk | -0.40 | 1.51 | -1.91 |
Omega ratioGain probability vs. loss probability | 0.94 | 1.21 | -0.27 |
Calmar ratioReturn relative to maximum drawdown | -0.52 | 1.59 | -2.11 |
Martin ratioReturn relative to average drawdown | -1.36 | 6.88 | -8.24 |
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
| TMDIX | MDYG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.41 | 0.98 | -1.39 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.10 | 0.28 | -0.18 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | 0.50 | +0.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.45 | +0.05 |
Correlation
The correlation between TMDIX and MDYG 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
TMDIX vs. MDYG - Dividend Comparison
TMDIX has not paid dividends to shareholders, while MDYG's dividend yield for the trailing twelve months is around 0.70%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
MDYG SPDR S&P 400 Mid Cap Growth ETF | 0.70% | 0.75% | 0.87% | 1.20% | 1.16% | 0.69% | 0.71% | 1.21% | 1.36% | 2.23% | 1.25% | 2.51% |
Drawdowns
TMDIX vs. MDYG - Drawdown Comparison
The maximum TMDIX drawdown since its inception was -48.73%, smaller than the maximum MDYG drawdown of -58.44%. Use the drawdown chart below to compare losses from any high point for TMDIX and MDYG.
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Drawdown Indicators
| TMDIX | MDYG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.73% | -58.44% | +9.71% |
Max Drawdown (1Y)Largest decline over 1 year | -25.45% | -13.66% | -11.79% |
Max Drawdown (5Y)Largest decline over 5 years | -30.53% | -29.26% | -1.27% |
Max Drawdown (10Y)Largest decline over 10 years | -35.44% | -39.27% | +3.83% |
Current DrawdownCurrent decline from peak | -25.45% | -6.73% | -18.72% |
Average DrawdownAverage peak-to-trough decline | -7.07% | -8.08% | +1.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.77% | 3.16% | +6.61% |
Volatility
TMDIX vs. MDYG - Volatility Comparison
The current volatility for AMG TimesSquare Mid Cap Growth Fund (TMDIX) is 5.87%, while SPDR S&P 400 Mid Cap Growth ETF (MDYG) has a volatility of 8.01%. This indicates that TMDIX 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.
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Volatility by Period
| TMDIX | MDYG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.87% | 8.01% | -2.14% |
Volatility (6M)Calculated over the trailing 6-month period | 16.89% | 13.27% | +3.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.42% | 22.19% | +1.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.29% | 20.56% | -0.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.99% | 20.99% | 0.00% |