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WFSPX vs. MEIKX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between WFSPX and MEIKX is 0.88, 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.


-0.50.00.51.0
Correlation: 0.9

Performance

WFSPX vs. MEIKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares S&P 500 Index Fund (WFSPX) and MFS Value Fund (MEIKX). The values are adjusted to include any dividend payments, if applicable.

150.00%200.00%250.00%300.00%350.00%400.00%450.00%500.00%NovemberDecember2025FebruaryMarchApril
431.71%
209.31%
WFSPX
MEIKX

Key characteristics

Sharpe Ratio

WFSPX:

0.53

MEIKX:

-0.09

Sortino Ratio

WFSPX:

0.86

MEIKX:

-0.01

Omega Ratio

WFSPX:

1.13

MEIKX:

1.00

Calmar Ratio

WFSPX:

0.55

MEIKX:

-0.08

Martin Ratio

WFSPX:

2.25

MEIKX:

-0.22

Ulcer Index

WFSPX:

4.55%

MEIKX:

6.96%

Daily Std Dev

WFSPX:

19.38%

MEIKX:

16.61%

Max Drawdown

WFSPX:

-89.72%

MEIKX:

-36.68%

Current Drawdown

WFSPX:

-9.84%

MEIKX:

-13.04%

Returns By Period

In the year-to-date period, WFSPX achieves a -5.67% return, which is significantly lower than MEIKX's -0.33% return. Over the past 10 years, WFSPX has outperformed MEIKX with an annualized return of 11.80%, while MEIKX has yielded a comparatively lower 5.61% annualized return.


WFSPX

YTD

-5.67%

1M

-2.85%

6M

-4.34%

1Y

9.60%

5Y*

15.41%

10Y*

11.80%

MEIKX

YTD

-0.33%

1M

-3.91%

6M

-9.72%

1Y

-1.29%

5Y*

7.19%

10Y*

5.61%

*Annualized

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WFSPX vs. MEIKX - Expense Ratio Comparison

WFSPX has a 0.03% expense ratio, which is lower than MEIKX's 0.43% expense ratio.


Expense ratio chart for MEIKX: current value is 0.43%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
MEIKX: 0.43%
Expense ratio chart for WFSPX: current value is 0.03%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
WFSPX: 0.03%

Risk-Adjusted Performance

WFSPX vs. MEIKX — Risk-Adjusted Performance Rank

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

WFSPX
The Risk-Adjusted Performance Rank of WFSPX is 6262
Overall Rank
The Sharpe Ratio Rank of WFSPX is 5858
Sharpe Ratio Rank
The Sortino Ratio Rank of WFSPX is 6060
Sortino Ratio Rank
The Omega Ratio Rank of WFSPX is 6262
Omega Ratio Rank
The Calmar Ratio Rank of WFSPX is 6868
Calmar Ratio Rank
The Martin Ratio Rank of WFSPX is 6262
Martin Ratio Rank

MEIKX
The Risk-Adjusted Performance Rank of MEIKX is 1818
Overall Rank
The Sharpe Ratio Rank of MEIKX is 1818
Sharpe Ratio Rank
The Sortino Ratio Rank of MEIKX is 1818
Sortino Ratio Rank
The Omega Ratio Rank of MEIKX is 1818
Omega Ratio Rank
The Calmar Ratio Rank of MEIKX is 1717
Calmar Ratio Rank
The Martin Ratio Rank of MEIKX is 1919
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.

WFSPX vs. MEIKX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Index Fund (WFSPX) and MFS Value Fund (MEIKX). 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.


The chart of Sharpe ratio for WFSPX, currently valued at 0.53, compared to the broader market-1.000.001.002.003.00
WFSPX: 0.53
MEIKX: -0.09
The chart of Sortino ratio for WFSPX, currently valued at 0.86, compared to the broader market-2.000.002.004.006.008.00
WFSPX: 0.86
MEIKX: -0.01
The chart of Omega ratio for WFSPX, currently valued at 1.13, compared to the broader market0.501.001.502.002.503.00
WFSPX: 1.13
MEIKX: 1.00
The chart of Calmar ratio for WFSPX, currently valued at 0.55, compared to the broader market0.002.004.006.008.0010.00
WFSPX: 0.55
MEIKX: -0.08
The chart of Martin ratio for WFSPX, currently valued at 2.25, compared to the broader market0.0010.0020.0030.0040.0050.00
WFSPX: 2.25
MEIKX: -0.22

The current WFSPX Sharpe Ratio is 0.53, which is higher than the MEIKX Sharpe Ratio of -0.09. The chart below compares the historical Sharpe Ratios of WFSPX and MEIKX, 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 Ratio-1.000.001.002.003.004.00NovemberDecember2025FebruaryMarchApril
0.53
-0.09
WFSPX
MEIKX

Dividends

WFSPX vs. MEIKX - Dividend Comparison

WFSPX's dividend yield for the trailing twelve months is around 1.30%, less than MEIKX's 2.05% yield.


TTM20242023202220212020201920182017201620152014
WFSPX
iShares S&P 500 Index Fund
1.30%1.25%1.44%1.69%1.25%1.55%1.99%2.03%1.74%2.07%1.95%1.84%
MEIKX
MFS Value Fund
2.05%1.99%1.90%2.10%1.47%1.71%2.04%2.23%1.69%2.12%6.72%5.53%

Drawdowns

WFSPX vs. MEIKX - Drawdown Comparison

The maximum WFSPX drawdown since its inception was -89.72%, which is greater than MEIKX's maximum drawdown of -36.68%. Use the drawdown chart below to compare losses from any high point for WFSPX and MEIKX. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%NovemberDecember2025FebruaryMarchApril
-9.84%
-13.04%
WFSPX
MEIKX

Volatility

WFSPX vs. MEIKX - Volatility Comparison

iShares S&P 500 Index Fund (WFSPX) has a higher volatility of 14.14% compared to MFS Value Fund (MEIKX) at 10.89%. This indicates that WFSPX's price experiences larger fluctuations and is considered to be riskier than MEIKX 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%12.00%14.00%NovemberDecember2025FebruaryMarchApril
14.14%
10.89%
WFSPX
MEIKX