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TMDIX vs. FMDGX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

TMDIX vs. FMDGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AMG TimesSquare Mid Cap Growth Fund (TMDIX) and Fidelity Mid Cap Growth Index Fund (FMDGX). The values are adjusted to include any dividend payments, if applicable.

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TMDIX vs. FMDGX - Yearly Performance Comparison


2026 (YTD)2025202420232022202120202019
TMDIX
AMG TimesSquare Mid Cap Growth Fund
-10.97%-1.76%10.84%25.07%-22.26%16.75%33.42%26.30%
FMDGX
Fidelity Mid Cap Growth Index Fund
-9.61%8.60%22.03%25.79%-26.67%12.67%34.84%4.63%

Returns By Period

In the year-to-date period, TMDIX achieves a -10.97% return, which is significantly lower than FMDGX's -9.61% 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%

FMDGX

1D
-1.09%
1M
-9.53%
YTD
-9.61%
6M
-12.95%
1Y
5.72%
3Y*
11.35%
5Y*
4.59%
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

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TMDIX vs. FMDGX - Expense Ratio Comparison

TMDIX has a 0.98% expense ratio, which is higher than FMDGX's 0.05% expense ratio.


Return for Risk

TMDIX vs. FMDGX — Risk / Return Rank

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

TMDIX
TMDIX Risk / Return Rank: 22
Overall Rank
TMDIX Sharpe Ratio Rank: 22
Sharpe Ratio Rank
TMDIX Sortino Ratio Rank: 22
Sortino Ratio Rank
TMDIX Omega Ratio Rank: 22
Omega Ratio Rank
TMDIX Calmar Ratio Rank: 22
Calmar Ratio Rank
TMDIX Martin Ratio Rank: 22
Martin Ratio Rank

FMDGX
FMDGX Risk / Return Rank: 1111
Overall Rank
FMDGX Sharpe Ratio Rank: 1111
Sharpe Ratio Rank
FMDGX Sortino Ratio Rank: 1212
Sortino Ratio Rank
FMDGX Omega Ratio Rank: 1111
Omega Ratio Rank
FMDGX Calmar Ratio Rank: 1010
Calmar Ratio Rank
FMDGX Martin Ratio Rank: 1010
Martin Ratio Rank
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.

TMDIX vs. FMDGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AMG TimesSquare Mid Cap Growth Fund (TMDIX) and Fidelity Mid Cap Growth Index Fund (FMDGX). 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.


TMDIXFMDGXDifference

Sharpe ratio

Return per unit of total volatility

-0.41

0.24

-0.65

Sortino ratio

Return per unit of downside risk

-0.40

0.51

-0.91

Omega ratio

Gain probability vs. loss probability

0.94

1.07

-0.13

Calmar ratio

Return relative to maximum drawdown

-0.52

0.22

-0.74

Martin ratio

Return relative to average drawdown

-1.36

0.69

-2.05

TMDIX vs. FMDGX - Sharpe Ratio Comparison

The current TMDIX Sharpe Ratio is -0.41, which is lower than the FMDGX Sharpe Ratio of 0.24. The chart below compares the historical Sharpe Ratios of TMDIX and FMDGX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


TMDIXFMDGXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

-0.41

0.24

-0.65

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.10

0.21

-0.11

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.56

Sharpe Ratio (All Time)

Calculated using the full available price history

0.50

0.36

+0.14

Correlation

The correlation between TMDIX and FMDGX is 0.96, 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. FMDGX - Dividend Comparison

TMDIX has not paid dividends to shareholders, while FMDGX's dividend yield for the trailing twelve months is around 2.05%.


TTM20252024202320222021202020192018201720162015
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%
FMDGX
Fidelity Mid Cap Growth Index Fund
2.05%1.85%0.47%0.63%0.81%6.43%0.36%0.29%0.00%0.00%0.00%0.00%

Drawdowns

TMDIX vs. FMDGX - Drawdown Comparison

The maximum TMDIX drawdown since its inception was -48.73%, which is greater than FMDGX's maximum drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for TMDIX and FMDGX.


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Drawdown Indicators


TMDIXFMDGXDifference

Max Drawdown

Largest peak-to-trough decline

-48.73%

-38.59%

-10.14%

Max Drawdown (1Y)

Largest decline over 1 year

-25.45%

-14.75%

-10.70%

Max Drawdown (5Y)

Largest decline over 5 years

-30.53%

-38.59%

+8.06%

Max Drawdown (10Y)

Largest decline over 10 years

-35.44%

Current Drawdown

Current decline from peak

-25.45%

-14.75%

-10.70%

Average Drawdown

Average peak-to-trough decline

-7.07%

-11.34%

+4.27%

Ulcer Index

Depth and duration of drawdowns from previous peaks

9.77%

4.65%

+5.12%

Volatility

TMDIX vs. FMDGX - Volatility Comparison

AMG TimesSquare Mid Cap Growth Fund (TMDIX) and Fidelity Mid Cap Growth Index Fund (FMDGX) have volatilities of 5.87% and 5.67%, 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


TMDIXFMDGXDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.87%

5.67%

+0.20%

Volatility (6M)

Calculated over the trailing 6-month period

16.89%

12.66%

+4.23%

Volatility (1Y)

Calculated over the trailing 1-year period

23.42%

22.94%

+0.48%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

20.29%

22.37%

-2.08%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

20.99%

24.47%

-3.48%