TMDIX vs. FSMAX
Compare and contrast key facts about AMG TimesSquare Mid Cap Growth Fund (TMDIX) and Fidelity Extended Market Index Fund (FSMAX).
TMDIX is managed by AMG. It was launched on Mar 4, 2005. FSMAX is managed by Fidelity.
Performance
TMDIX vs. FSMAX - Performance Comparison
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TMDIX vs. FSMAX - 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% |
FSMAX Fidelity Extended Market Index Fund | -4.54% | 11.40% | 16.99% | 25.36% | -26.44% | 12.41% | 32.28% | 28.01% | -9.44% | 18.04% |
Returns By Period
In the year-to-date period, TMDIX achieves a -10.97% return, which is significantly lower than FSMAX's -4.54% return. Over the past 10 years, TMDIX has outperformed FSMAX with an annualized return of 11.64%, while FSMAX has yielded a comparatively lower 10.54% 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%
FSMAX
- 1D
- -1.03%
- 1M
- -7.76%
- YTD
- -4.54%
- 6M
- -4.39%
- 1Y
- 16.77%
- 3Y*
- 13.78%
- 5Y*
- 3.66%
- 10Y*
- 10.54%
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TMDIX vs. FSMAX - Expense Ratio Comparison
TMDIX has a 0.98% expense ratio, which is higher than FSMAX's 0.04% expense ratio.
Return for Risk
TMDIX vs. FSMAX — Risk / Return Rank
TMDIX
FSMAX
TMDIX vs. FSMAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AMG TimesSquare Mid Cap Growth Fund (TMDIX) and Fidelity Extended Market Index Fund (FSMAX). 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 | FSMAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.41 | 0.72 | -1.13 |
Sortino ratioReturn per unit of downside risk | -0.40 | 1.16 | -1.56 |
Omega ratioGain probability vs. loss probability | 0.94 | 1.16 | -0.22 |
Calmar ratioReturn relative to maximum drawdown | -0.52 | 0.95 | -1.47 |
Martin ratioReturn relative to average drawdown | -1.36 | 3.91 | -5.26 |
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 | FSMAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.41 | 0.72 | -1.13 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.10 | 0.16 | -0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | 0.35 | +0.21 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.41 | +0.09 |
Correlation
The correlation between TMDIX and FSMAX is 0.92, 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. FSMAX - Dividend Comparison
TMDIX has not paid dividends to shareholders, while FSMAX's dividend yield for the trailing twelve months is around 0.60%.
| 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% |
FSMAX Fidelity Extended Market Index Fund | 0.60% | 0.57% | 0.48% | 1.17% | 1.90% | 7.49% | 2.14% | 4.30% | 6.09% | 5.44% | 4.85% | 6.34% |
Drawdowns
TMDIX vs. FSMAX - Drawdown Comparison
The maximum TMDIX drawdown since its inception was -48.73%, roughly equal to the maximum FSMAX drawdown of -50.55%. Use the drawdown chart below to compare losses from any high point for TMDIX and FSMAX.
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Drawdown Indicators
| TMDIX | FSMAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.73% | -50.55% | +1.82% |
Max Drawdown (1Y)Largest decline over 1 year | -25.45% | -14.64% | -10.81% |
Max Drawdown (5Y)Largest decline over 5 years | -30.53% | -36.31% | +5.78% |
Max Drawdown (10Y)Largest decline over 10 years | -35.44% | -50.55% | +15.11% |
Current DrawdownCurrent decline from peak | -25.45% | -10.26% | -15.19% |
Average DrawdownAverage peak-to-trough decline | -7.07% | -12.29% | +5.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.77% | 3.54% | +6.23% |
Volatility
TMDIX vs. FSMAX - Volatility Comparison
AMG TimesSquare Mid Cap Growth Fund (TMDIX) and Fidelity Extended Market Index Fund (FSMAX) have volatilities of 5.87% and 6.01%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TMDIX | FSMAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.87% | 6.01% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 16.89% | 13.07% | +3.82% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.42% | 22.79% | +0.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.29% | 22.32% | -2.03% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.99% | 30.19% | -9.20% |