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FMDGX vs. OEGYX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

FMDGX vs. OEGYX - Performance Comparison

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

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FMDGX vs. OEGYX - Yearly Performance Comparison


2026 (YTD)2025202420232022202120202019
FMDGX
Fidelity Mid Cap Growth Index Fund
-6.36%8.60%22.03%25.79%-26.67%12.67%34.84%4.63%
OEGYX
Invesco Discovery Mid Cap Growth Fund
5.36%5.08%24.38%13.24%-30.92%18.76%40.53%4.55%

Returns By Period

In the year-to-date period, FMDGX achieves a -6.36% return, which is significantly lower than OEGYX's 5.36% return.


FMDGX

1D
3.60%
1M
-6.39%
YTD
-6.36%
6M
-9.60%
1Y
8.49%
3Y*
12.67%
5Y*
4.92%
10Y*

OEGYX

1D
4.31%
1M
-6.08%
YTD
5.36%
6M
3.69%
1Y
25.10%
3Y*
14.00%
5Y*
4.38%
10Y*
12.15%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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FMDGX vs. OEGYX - Expense Ratio Comparison

FMDGX has a 0.05% expense ratio, which is lower than OEGYX's 0.78% expense ratio.


Return for Risk

FMDGX vs. OEGYX — Risk / Return Rank

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

FMDGX
FMDGX Risk / Return Rank: 1616
Overall Rank
FMDGX Sharpe Ratio Rank: 1414
Sharpe Ratio Rank
FMDGX Sortino Ratio Rank: 1616
Sortino Ratio Rank
FMDGX Omega Ratio Rank: 1414
Omega Ratio Rank
FMDGX Calmar Ratio Rank: 2020
Calmar Ratio Rank
FMDGX Martin Ratio Rank: 1818
Martin Ratio Rank

OEGYX
OEGYX Risk / Return Rank: 6262
Overall Rank
OEGYX Sharpe Ratio Rank: 5757
Sharpe Ratio Rank
OEGYX Sortino Ratio Rank: 5656
Sortino Ratio Rank
OEGYX Omega Ratio Rank: 5050
Omega Ratio Rank
OEGYX Calmar Ratio Rank: 7474
Calmar Ratio Rank
OEGYX Martin Ratio Rank: 7171
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.

FMDGX vs. OEGYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Mid Cap Growth Index Fund (FMDGX) and Invesco Discovery Mid Cap Growth Fund (OEGYX). 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.


FMDGXOEGYXDifference

Sharpe ratio

Return per unit of total volatility

0.41

1.11

-0.70

Sortino ratio

Return per unit of downside risk

0.76

1.59

-0.83

Omega ratio

Gain probability vs. loss probability

1.10

1.22

-0.12

Calmar ratio

Return relative to maximum drawdown

0.63

1.86

-1.23

Martin ratio

Return relative to average drawdown

1.97

7.22

-5.24

FMDGX vs. OEGYX - Sharpe Ratio Comparison

The current FMDGX Sharpe Ratio is 0.41, which is lower than the OEGYX Sharpe Ratio of 1.11. The chart below compares the historical Sharpe Ratios of FMDGX and OEGYX, 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


FMDGXOEGYXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.41

1.11

-0.70

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.22

0.20

+0.02

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.56

Sharpe Ratio (All Time)

Calculated using the full available price history

0.38

0.36

+0.02

Correlation

The correlation between FMDGX and OEGYX is 0.95, 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

FMDGX vs. OEGYX - Dividend Comparison

FMDGX's dividend yield for the trailing twelve months is around 1.98%, less than OEGYX's 7.07% yield.


TTM20252024202320222021202020192018201720162015
FMDGX
Fidelity Mid Cap Growth Index Fund
1.98%1.85%0.47%0.63%0.81%6.43%0.36%0.29%0.00%0.00%0.00%0.00%
OEGYX
Invesco Discovery Mid Cap Growth Fund
7.07%7.45%4.13%0.00%0.00%16.02%3.08%3.85%9.31%8.34%0.81%3.88%

Drawdowns

FMDGX vs. OEGYX - Drawdown Comparison

The maximum FMDGX drawdown since its inception was -38.59%, smaller than the maximum OEGYX drawdown of -53.44%. Use the drawdown chart below to compare losses from any high point for FMDGX and OEGYX.


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Drawdown Indicators


FMDGXOEGYXDifference

Max Drawdown

Largest peak-to-trough decline

-38.59%

-53.44%

+14.85%

Max Drawdown (1Y)

Largest decline over 1 year

-14.75%

-12.88%

-1.87%

Max Drawdown (5Y)

Largest decline over 5 years

-38.59%

-39.25%

+0.66%

Max Drawdown (10Y)

Largest decline over 10 years

-39.25%

Current Drawdown

Current decline from peak

-11.68%

-6.26%

-5.42%

Average Drawdown

Average peak-to-trough decline

-11.34%

-12.58%

+1.24%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.70%

3.32%

+1.38%

Volatility

FMDGX vs. OEGYX - Volatility Comparison

The current volatility for Fidelity Mid Cap Growth Index Fund (FMDGX) is 6.94%, while Invesco Discovery Mid Cap Growth Fund (OEGYX) has a volatility of 10.11%. This indicates that FMDGX experiences smaller price fluctuations and is considered to be less risky than OEGYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


FMDGXOEGYXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.94%

10.11%

-3.17%

Volatility (6M)

Calculated over the trailing 6-month period

13.16%

16.55%

-3.39%

Volatility (1Y)

Calculated over the trailing 1-year period

23.17%

23.88%

-0.71%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

22.41%

22.00%

+0.41%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

24.50%

21.89%

+2.61%