MWOFX vs. FZROX

Last updated Apr 2, 2026

Compare and contrast key facts about MFS Global Growth Fund (MWOFX) and Fidelity ZERO Total Market Index Fund (FZROX).

MWOFX is managed by MFS. It was launched on Nov 17, 1993. FZROX is managed by Fidelity.

Performance

MWOFX vs. FZROX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Global Growth Fund (MWOFX) and Fidelity ZERO Total Market Index Fund (FZROX). The values are adjusted to include any dividend payments, if applicable.

MWOFX vs. FZROX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
MWOFX MFS Global Growth Fund	-9.21%	7.17%	10.68%	20.63%	-19.28%	18.33%	20.23%	35.37%	-9.13%
FZROX Fidelity ZERO Total Market Index Fund	-3.98%	17.23%	23.94%	26.20%	-19.21%	26.00%	20.51%	31.15%	-12.72%

Returns By Period

In the year-to-date period, MWOFX achieves a -9.21% return, which is significantly lower than FZROX's -3.98% return.

MWOFX

• 1D: 2.82%
• 1M: -6.61%
• YTD: -9.21%
• 6M: -8.62%
• 1Y: 0.58%
• 3Y*: 6.17%
• 5Y*: 3.45%
• 10Y*: 9.82%

FZROX

• 1D: 2.99%
• 1M: -5.06%
• YTD: -3.98%
• 6M: -1.97%
• 1Y: 17.77%
• 3Y*: 17.96%
• 5Y*: 10.74%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

MWOFX vs. FZROX - Expense Ratio Comparison

MWOFX has a 1.22% expense ratio, which is higher than FZROX's 0.00% expense ratio.

MWOFX

MFS Global Growth Fund

FZROX

Fidelity ZERO Total Market Index Fund

Return for Risk

MWOFX vs. FZROX — Risk / Return Rank

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

MWOFX

MWOFX Risk / Return Rank: 6
MWOFX Sharpe Ratio Rank: 5
MWOFX Sortino Ratio Rank: 5
MWOFX Omega Ratio Rank: 5
MWOFX Calmar Ratio Rank: 6
MWOFX Martin Ratio Rank: 7

FZROX

FZROX Risk / Return Rank: 60
FZROX Sharpe Ratio Rank: 48
FZROX Sortino Ratio Rank: 54
FZROX Omega Ratio Rank: 56
FZROX Calmar Ratio Rank: 64
FZROX Martin Ratio Rank: 76

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.

MWOFX vs. FZROX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Global Growth Fund (MWOFX) and Fidelity ZERO Total Market Index Fund (FZROX). 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.

	MWOFX	FZROX	Difference
Sharpe ratio Return per unit of total volatility	0.05	0.98	-0.93
Sortino ratio Return per unit of downside risk	0.19	1.50	-1.31
Omega ratio Gain probability vs. loss probability	1.03	1.23	-0.20
Calmar ratio Return relative to maximum drawdown	0.07	1.51	-1.44
Martin ratio Return relative to average drawdown	0.27	7.28	-7.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MWOFX vs. FZROX - Sharpe Ratio Comparison

The current MWOFX Sharpe Ratio is 0.05, which is lower than the FZROX Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of MWOFX and FZROX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MWOFX	FZROX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.05	0.98	-0.93
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.22	0.62	-0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.63	-0.15

Correlation

The correlation between MWOFX and FZROX 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

MWOFX vs. FZROX - Dividend Comparison

MWOFX's dividend yield for the trailing twelve months is around 5.97%, more than FZROX's 1.07% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MWOFX MFS Global Growth Fund	5.97%	5.42%	5.14%	2.09%	3.60%	6.25%	3.13%	1.86%	5.00%	3.43%	1.68%	6.08%
FZROX Fidelity ZERO Total Market Index Fund	1.07%	1.02%	1.16%	1.36%	1.57%	1.25%	1.27%	1.51%	0.00%	0.00%	0.00%	0.00%

Drawdowns

MWOFX vs. FZROX - Drawdown Comparison

The maximum MWOFX drawdown since its inception was -56.10%, which is greater than FZROX's maximum drawdown of -34.96%. Use the drawdown chart below to compare losses from any high point for MWOFX and FZROX.

Drawdown Indicators

	MWOFX	FZROX	Difference
Max Drawdown Largest peak-to-trough decline	-56.10%	-34.96%	-21.14%
Max Drawdown (1Y) Largest decline over 1 year	-13.82%	-12.44%	-1.38%
Max Drawdown (5Y) Largest decline over 5 years	-27.64%	-25.12%	-2.52%
Max Drawdown (10Y) Largest decline over 10 years	-31.68%	—	—
Current Drawdown Current decline from peak	-11.39%	-6.16%	-5.23%
Average Drawdown Average peak-to-trough decline	-11.94%	-5.61%	-6.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.77%	2.58%	+1.19%

Volatility

MWOFX vs. FZROX - Volatility Comparison

MFS Global Growth Fund (MWOFX) and Fidelity ZERO Total Market Index Fund (FZROX) have volatilities of 5.35% and 5.52%, 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.

Volatility by Period

	MWOFX	FZROX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.35%	5.52%	-0.17%
Volatility (6M) Calculated over the trailing 6-month period	9.17%	9.81%	-0.64%
Volatility (1Y) Calculated over the trailing 1-year period	16.04%	18.68%	-2.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.74%	17.45%	-1.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.58%	20.28%	-3.70%