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OTCAX vs. FXAIX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between OTCAX and FXAIX 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.


-0.50.00.51.00.9

Performance

OTCAX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Mid Cap Growth Fund (OTCAX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%15.00%AugustSeptemberOctoberNovemberDecember2025
3.64%
9.66%
OTCAX
FXAIX

Key characteristics

Sharpe Ratio

OTCAX:

0.71

FXAIX:

2.20

Sortino Ratio

OTCAX:

0.99

FXAIX:

2.91

Omega Ratio

OTCAX:

1.14

FXAIX:

1.40

Calmar Ratio

OTCAX:

0.65

FXAIX:

3.35

Martin Ratio

OTCAX:

2.59

FXAIX:

13.96

Ulcer Index

OTCAX:

4.73%

FXAIX:

2.03%

Daily Std Dev

OTCAX:

17.21%

FXAIX:

12.88%

Max Drawdown

OTCAX:

-73.07%

FXAIX:

-33.79%

Current Drawdown

OTCAX:

-10.37%

FXAIX:

-1.40%

Returns By Period

In the year-to-date period, OTCAX achieves a 3.86% return, which is significantly higher than FXAIX's 2.01% return. Over the past 10 years, OTCAX has underperformed FXAIX with an annualized return of 8.25%, while FXAIX has yielded a comparatively higher 13.53% annualized return.


OTCAX

YTD

3.86%

1M

3.68%

6M

3.65%

1Y

10.79%

5Y*

6.11%

10Y*

8.25%

FXAIX

YTD

2.01%

1M

2.22%

6M

9.66%

1Y

27.15%

5Y*

14.30%

10Y*

13.53%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


OTCAX vs. FXAIX - Expense Ratio Comparison

OTCAX has a 1.00% expense ratio, which is higher than FXAIX's 0.02% expense ratio.


OTCAX
MFS Mid Cap Growth Fund
Expense ratio chart for OTCAX: current value at 1.00% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%1.00%
Expense ratio chart for FXAIX: current value at 0.02% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.02%

Risk-Adjusted Performance

OTCAX vs. FXAIX — Risk-Adjusted Performance Rank

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

OTCAX
The Risk-Adjusted Performance Rank of OTCAX is 3737
Overall Rank
The Sharpe Ratio Rank of OTCAX is 3333
Sharpe Ratio Rank
The Sortino Ratio Rank of OTCAX is 3333
Sortino Ratio Rank
The Omega Ratio Rank of OTCAX is 3434
Omega Ratio Rank
The Calmar Ratio Rank of OTCAX is 4848
Calmar Ratio Rank
The Martin Ratio Rank of OTCAX is 3535
Martin Ratio Rank

FXAIX
The Risk-Adjusted Performance Rank of FXAIX is 9191
Overall Rank
The Sharpe Ratio Rank of FXAIX is 9191
Sharpe Ratio Rank
The Sortino Ratio Rank of FXAIX is 8989
Sortino Ratio Rank
The Omega Ratio Rank of FXAIX is 8989
Omega Ratio Rank
The Calmar Ratio Rank of FXAIX is 9292
Calmar Ratio Rank
The Martin Ratio Rank of FXAIX is 9292
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

OTCAX vs. FXAIX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Mid Cap Growth Fund (OTCAX) and Fidelity 500 Index Fund (FXAIX). 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.


Sharpe ratio
The chart of Sharpe ratio for OTCAX, currently valued at 0.71, compared to the broader market-1.000.001.002.003.004.000.712.20
The chart of Sortino ratio for OTCAX, currently valued at 0.99, compared to the broader market0.005.0010.000.992.91
The chart of Omega ratio for OTCAX, currently valued at 1.14, compared to the broader market1.002.003.004.001.141.40
The chart of Calmar ratio for OTCAX, currently valued at 0.65, compared to the broader market0.005.0010.0015.0020.000.653.35
The chart of Martin ratio for OTCAX, currently valued at 2.59, compared to the broader market0.0020.0040.0060.0080.002.5913.96
OTCAX
FXAIX

The current OTCAX Sharpe Ratio is 0.71, which is lower than the FXAIX Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of OTCAX and FXAIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
0.71
2.20
OTCAX
FXAIX

Dividends

OTCAX vs. FXAIX - Dividend Comparison

OTCAX has not paid dividends to shareholders, while FXAIX's dividend yield for the trailing twelve months is around 1.22%.


TTM20242023202220212020201920182017201620152014
OTCAX
MFS Mid Cap Growth Fund
0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%7.09%
FXAIX
Fidelity 500 Index Fund
1.22%1.25%1.45%1.69%1.22%1.60%1.95%2.07%1.81%2.01%4.15%3.95%

Drawdowns

OTCAX vs. FXAIX - Drawdown Comparison

The maximum OTCAX drawdown since its inception was -73.07%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for OTCAX and FXAIX. For additional features, visit the drawdowns tool.


-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-10.37%
-1.40%
OTCAX
FXAIX

Volatility

OTCAX vs. FXAIX - Volatility Comparison

MFS Mid Cap Growth Fund (OTCAX) has a higher volatility of 5.76% compared to Fidelity 500 Index Fund (FXAIX) at 5.07%. This indicates that OTCAX's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%AugustSeptemberOctoberNovemberDecember2025
5.76%
5.07%
OTCAX
FXAIX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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