MFWIX vs. MDGCX

Last updated Jun 24, 2026

MFWIX (MFS Global Total Return Fund Class I) and MDGCX (BlackRock Advantage Global Fund, Inc.) are both Global Equities funds. Over the past 10 years, MFWIX returned 6.69%/yr vs 12.80%/yr for MDGCX. A 0.79 correlation means they provide meaningful diversification when combined. MFWIX charges 0.84%/yr vs 0.96%/yr for MDGCX.

Performance

MFWIX vs. MDGCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Global Total Return Fund Class I (MFWIX) and BlackRock Advantage Global Fund, Inc. (MDGCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFWIX achieves a 4.64% return, which is significantly lower than MDGCX's 17.78% return. Over the past 10 years, MFWIX has underperformed MDGCX with an annualized return of 6.69%, while MDGCX has yielded a comparatively higher 12.80% annualized return.

MFWIX

• 1D: -0.06%
• 1M: 0.00%
• YTD: 4.64%
• 6M: 4.51%
• 1Y: 12.84%
• 3Y*: 10.59%
• 5Y*: 5.12%
• 10Y*: 6.69%

MDGCX

• 1D: -0.18%
• 1M: 1.65%
• YTD: 17.78%
• 6M: 17.40%
• 1Y: 37.10%
• 3Y*: 20.89%
• 5Y*: 11.41%
• 10Y*: 12.80%

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

MFWIX vs. MDGCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFWIX MFS Global Total Return Fund Class I	4.64%	15.70%	4.25%	10.52%	-10.62%	8.59%	9.63%	18.49%	-6.96%	15.00%
MDGCX BlackRock Advantage Global Fund, Inc.	17.78%	23.61%	10.87%	22.43%	-17.94%	17.52%	15.61%	25.54%	-11.73%	23.41%

Correlation

The correlation between MFWIX and MDGCX is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Dec 31, 1996	0.79

The correlation between MFWIX and MDGCX shifts across timeframes, from 0.73 (1 year) to 0.84 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

MFWIX vs. MDGCX — Risk / Return Rank

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

MFWIX

MFWIX Risk / Return Rank: 39
MFWIX Sharpe Ratio Rank: 43
MFWIX Sortino Ratio Rank: 45
MFWIX Omega Ratio Rank: 43
MFWIX Calmar Ratio Rank: 32
MFWIX Martin Ratio Rank: 33

MDGCX

MDGCX Risk / Return Rank: 90
MDGCX Sharpe Ratio Rank: 93
MDGCX Sortino Ratio Rank: 86
MDGCX Omega Ratio Rank: 85
MDGCX Calmar Ratio Rank: 92
MDGCX Martin Ratio Rank: 95

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.

MFWIX vs. MDGCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Global Total Return Fund Class I (MFWIX) and BlackRock Advantage Global Fund, Inc. (MDGCX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MFWIX	MDGCX	Difference
Sharpe ratio: Return per unit of total volatility	1.78	2.88	-1.11
Sortino ratio: Return per unit of downside risk	2.59	3.81	-1.23
Omega ratio: Gain probability vs. loss probability	1.33	1.52	-0.20
Calmar ratio: Return relative to maximum drawdown	2.00	4.75	-2.76
Martin ratio: Return relative to average drawdown	7.03	20.78	-13.75

MFWIX vs. MDGCX - Sharpe Ratio Comparison

The current MFWIX Sharpe Ratio is 1.78, which is lower than the MDGCX Sharpe Ratio of 2.88. The chart below compares the historical Sharpe Ratios of MFWIX and MDGCX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MFWIX vs. MDGCX - Drawdown Comparison

The maximum MFWIX drawdown since its inception was -33.01%, smaller than the maximum MDGCX drawdown of -48.25%. Use the drawdown chart below to compare losses from any high point for MFWIX and MDGCX.

Drawdown Indicators

	MFWIX	MDGCX	Difference
Max Drawdown Largest peak-to-trough decline	-33.01%	-48.25%	+15.24%
Max Drawdown (1Y) Largest decline over 1 year	-6.73%	-8.07%	+1.34%
Max Drawdown (3Y) Largest decline over 3 years	-8.63%	-21.46%	+12.83%
Max Drawdown (5Y) Largest decline over 5 years	-20.22%	-26.68%	+6.46%
Max Drawdown (10Y) Largest decline over 10 years	-23.36%	-34.87%	+11.51%
Current Drawdown Current decline from peak	-1.71%	-1.69%	-0.02%
Average Drawdown Average peak-to-trough decline	-3.81%	-9.92%	+6.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.91%	1.84%	+0.07%

Volatility

MFWIX vs. MDGCX - Volatility Comparison

The current volatility for MFS Global Total Return Fund Class I (MFWIX) is 2.24%, while BlackRock Advantage Global Fund, Inc. (MDGCX) has a volatility of 5.24%. This indicates that MFWIX experiences smaller price fluctuations and is considered to be less risky than MDGCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFWIX	MDGCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.24%	5.24%	-3.00%
Volatility (6M) Calculated over the trailing 6-month period	5.89%	10.98%	-5.09%
Volatility (1Y) Calculated over the trailing 1-year period	7.57%	13.33%	-5.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.16%	16.26%	-7.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.64%	17.27%	-7.63%

MFWIX vs. MDGCX - Expense Ratio Comparison

MFWIX has a 0.84% expense ratio, which is lower than MDGCX's 0.96% expense ratio.

Dividends

MFWIX vs. MDGCX - Dividend Comparison

MFWIX's dividend yield for the trailing twelve months is around 8.38%, more than MDGCX's 7.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MDGCX BlackRock Advantage Global Fund, Inc.	7.56%	8.91%	7.78%	1.42%	1.75%	16.75%	3.77%	1.73%	4.06%	34.82%	0.65%	5.18%
MFWIX MFS Global Total Return Fund Class I	8.38%	8.77%	9.36%	3.98%	2.94%	10.71%	7.53%	4.70%	3.64%	2.36%	1.40%	4.59%

Frequently Asked Questions

Can I hold both MFWIX and MDGCX in my portfolio?

MFWIX and MDGCX have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFWIX or MDGCX?

MDGCX has higher volatility (5.24%) compared to MFWIX (2.24%). In terms of maximum drawdown, MFWIX dropped -33.01% vs MDGCX's -48.25%.

Which has better risk-adjusted returns?

MDGCX currently has the higher Sharpe Ratio (2.88 vs 1.78), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.