WWWEX vs. DIFIX

Last updated Jun 5, 2026

WWWEX (Kinetics The Global Fund) and DIFIX (MFS Diversified Income Fund) are both Diversified Portfolio funds. Over the past 10 years, WWWEX returned 15.56%/yr vs 4.88%/yr for DIFIX. At a 0.49 correlation, their price movements are largely independent. WWWEX charges 1.39%/yr vs 0.73%/yr for DIFIX.

Performance

WWWEX vs. DIFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Kinetics The Global Fund (WWWEX) and MFS Diversified Income Fund (DIFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WWWEX achieves a 5.17% return, which is significantly higher than DIFIX's 4.69% return. Over the past 10 years, WWWEX has outperformed DIFIX with an annualized return of 15.56%, while DIFIX has yielded a comparatively lower 4.88% annualized return.

WWWEX

• 1D: 0.72%
• 1M: -5.11%
• YTD: 5.17%
• 6M: 3.68%
• 1Y: 1.43%
• 3Y*: 30.40%
• 5Y*: 13.77%
• 10Y*: 15.56%

DIFIX

• 1D: -0.23%
• 1M: 0.51%
• YTD: 4.69%
• 6M: 5.25%
• 1Y: 11.17%
• 3Y*: 8.49%
• 5Y*: 3.16%
• 10Y*: 4.88%

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

WWWEX vs. DIFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WWWEX Kinetics The Global Fund	5.17%	2.89%	72.15%	11.83%	-6.45%	16.29%	25.00%	21.61%	-23.57%	48.93%
DIFIX MFS Diversified Income Fund	4.69%	9.73%	4.60%	8.84%	-13.55%	9.26%	2.17%	17.69%	-3.41%	8.94%

Correlation

The correlation between WWWEX and DIFIX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.40
Correlation (10Y) Calculated over the trailing 10-year period	0.37
Correlation (All Time) Calculated using the full available price history since May 30, 2006	0.49

The correlation between WWWEX and DIFIX shifts across timeframes, from 0.34 (3 years) to 0.49 (all time), reflecting how their relationship changes across market environments.

Return for Risk

WWWEX vs. DIFIX — Risk / Return Rank

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

WWWEX

WWWEX Risk / Return Rank: 3
WWWEX Sharpe Ratio Rank: 3
WWWEX Sortino Ratio Rank: 3
WWWEX Omega Ratio Rank: 3
WWWEX Calmar Ratio Rank: 3
WWWEX Martin Ratio Rank: 3

DIFIX

DIFIX Risk / Return Rank: 60
DIFIX Sharpe Ratio Rank: 63
DIFIX Sortino Ratio Rank: 68
DIFIX Omega Ratio Rank: 67
DIFIX Calmar Ratio Rank: 47
DIFIX Martin Ratio Rank: 56

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.

WWWEX vs. DIFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Kinetics The Global Fund (WWWEX) and MFS Diversified Income Fund (DIFIX). 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.

	WWWEX	DIFIX	Difference
Sharpe ratio: Return per unit of total volatility	0.04	2.30	-2.26
Sortino ratio: Return per unit of downside risk	0.17	3.39	-3.22
Omega ratio: Gain probability vs. loss probability	1.02	1.45	-0.43
Calmar ratio: Return relative to maximum drawdown	0.06	2.57	-2.51
Martin ratio: Return relative to average drawdown	0.14	10.96	-10.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WWWEX vs. DIFIX - Sharpe Ratio Comparison

The current WWWEX Sharpe Ratio is 0.04, which is lower than the DIFIX Sharpe Ratio of 2.30. The chart below compares the historical Sharpe Ratios of WWWEX and DIFIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	WWWEX	DIFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.04	2.30	-2.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.46	+0.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.81	0.65	+0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.66	-0.42

Drawdowns

WWWEX vs. DIFIX - Drawdown Comparison

The maximum WWWEX drawdown since its inception was -82.60%, which is greater than DIFIX's maximum drawdown of -35.04%. Use the drawdown chart below to compare losses from any high point for WWWEX and DIFIX.

Drawdown Indicators

	WWWEX	DIFIX	Difference
Max Drawdown Largest peak-to-trough decline	-82.60%	-35.04%	-47.56%
Max Drawdown (1Y) Largest decline over 1 year	-12.14%	-4.48%	-7.66%
Max Drawdown (3Y) Largest decline over 3 years	-17.66%	-7.29%	-10.37%
Max Drawdown (5Y) Largest decline over 5 years	-26.62%	-19.70%	-6.92%
Max Drawdown (10Y) Largest decline over 10 years	-36.00%	-23.69%	-12.31%
Current Drawdown Current decline from peak	-9.29%	-0.27%	-9.02%
Average Drawdown Average peak-to-trough decline	-41.31%	-3.86%	-37.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.13%	1.05%	+4.08%

Volatility

WWWEX vs. DIFIX - Volatility Comparison

Kinetics The Global Fund (WWWEX) has a higher volatility of 3.99% compared to MFS Diversified Income Fund (DIFIX) at 1.58%. This indicates that WWWEX's price experiences larger fluctuations and is considered to be riskier than DIFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WWWEX	DIFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.99%	1.58%	+2.41%
Volatility (6M) Calculated over the trailing 6-month period	13.37%	3.84%	+9.53%
Volatility (1Y) Calculated over the trailing 1-year period	16.79%	5.00%	+11.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.52%	6.84%	+12.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.18%	7.51%	+11.67%

WWWEX vs. DIFIX - Expense Ratio Comparison

WWWEX has a 1.39% expense ratio, which is higher than DIFIX's 0.73% expense ratio.

Dividends

WWWEX vs. DIFIX - Dividend Comparison

WWWEX's dividend yield for the trailing twelve months is around 2.45%, less than DIFIX's 5.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIFIX MFS Diversified Income Fund	5.75%	5.62%	3.86%	3.12%	3.99%	4.95%	2.83%	3.13%	4.39%	3.79%	3.76%	7.57%
WWWEX Kinetics The Global Fund	2.45%	2.58%	0.98%	2.50%	1.47%	3.50%	0.00%	0.00%	0.08%	9.04%	0.40%	0.06%

Frequently Asked Questions

Can I hold both WWWEX and DIFIX in my portfolio?

WWWEX and DIFIX have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WWWEX or DIFIX?

WWWEX has higher volatility (3.99%) compared to DIFIX (1.58%). In terms of maximum drawdown, WWWEX dropped -82.60% vs DIFIX's -35.04%.

Which has better risk-adjusted returns?

DIFIX currently has the higher Sharpe Ratio (2.30 vs 0.04), 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.