MMDEX vs. MRFOX

Last updated Apr 1, 2026

Compare and contrast key facts about Praxis Growth Index Fund (MMDEX) and Marshfield Concentrated Opportunity Fund (MRFOX).

MMDEX is managed by Praxis Mutual Funds. It was launched on May 1, 2007. MRFOX is managed by Marshfield. It was launched on Dec 29, 2015.

Performance

MMDEX vs. MRFOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Praxis Growth Index Fund (MMDEX) and Marshfield Concentrated Opportunity Fund (MRFOX). The values are adjusted to include any dividend payments, if applicable.

MMDEX vs. MRFOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MMDEX Praxis Growth Index Fund	-12.97%	18.34%	33.44%	29.82%	-28.23%	28.12%	33.23%	39.87%	0.32%	26.78%
MRFOX Marshfield Concentrated Opportunity Fund	-4.08%	10.05%	17.10%	17.68%	5.06%	17.71%	15.19%	36.26%	1.89%	25.92%

Returns By Period

In the year-to-date period, MMDEX achieves a -12.97% return, which is significantly lower than MRFOX's -4.08% return. Over a longer period, both investments have demonstrated similar performance, with their 10-year annualized returns being quite close: MMDEX at 15.18% and MRFOX at 15.18%.

MMDEX

• 1D: -0.51%
• 1M: -8.60%
• YTD: -12.97%
• 6M: -11.29%
• 1Y: 14.28%
• 3Y*: 17.56%
• 5Y*: 9.90%
• 10Y*: 15.18%

MRFOX

• 1D: 0.67%
• 1M: -5.13%
• YTD: -4.08%
• 6M: -4.60%
• 1Y: 2.70%
• 3Y*: 12.36%
• 5Y*: 10.91%
• 10Y*: 15.18%

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

MMDEX vs. MRFOX - Expense Ratio Comparison

MMDEX has a 0.36% expense ratio, which is lower than MRFOX's 1.05% expense ratio.

MRFOX

Marshfield Concentrated Opportunity Fund

MMDEX

Praxis Growth Index Fund

Return for Risk

MMDEX vs. MRFOX — Risk / Return Rank

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

MMDEX

MMDEX Risk / Return Rank: 27
MMDEX Sharpe Ratio Rank: 27
MMDEX Sortino Ratio Rank: 31
MMDEX Omega Ratio Rank: 30
MMDEX Calmar Ratio Rank: 25
MMDEX Martin Ratio Rank: 25

MRFOX

MRFOX Risk / Return Rank: 12
MRFOX Sharpe Ratio Rank: 13
MRFOX Sortino Ratio Rank: 13
MRFOX Omega Ratio Rank: 11
MRFOX Calmar Ratio Rank: 12
MRFOX Martin Ratio Rank: 11

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.

MMDEX vs. MRFOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Praxis Growth Index Fund (MMDEX) and Marshfield Concentrated Opportunity Fund (MRFOX). 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.

	MMDEX	MRFOX	Difference
Sharpe ratio Return per unit of total volatility	0.66	0.31	+0.34
Sortino ratio Return per unit of downside risk	1.09	0.54	+0.55
Omega ratio Gain probability vs. loss probability	1.15	1.07	+0.09
Calmar ratio Return relative to maximum drawdown	0.74	0.31	+0.43
Martin ratio Return relative to average drawdown	2.65	0.80	+1.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MMDEX vs. MRFOX - Sharpe Ratio Comparison

The current MMDEX Sharpe Ratio is 0.66, which is higher than the MRFOX Sharpe Ratio of 0.31. The chart below compares the historical Sharpe Ratios of MMDEX and MRFOX, 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

	MMDEX	MRFOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.66	0.31	+0.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.48	0.91	-0.43
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.74	1.07	-0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	1.05	-0.49

Correlation

The correlation between MMDEX and MRFOX is 0.67, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

MMDEX vs. MRFOX - Dividend Comparison

MMDEX's dividend yield for the trailing twelve months is around 5.38%, more than MRFOX's 1.69% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MMDEX Praxis Growth Index Fund	5.38%	4.69%	1.65%	2.02%	5.77%	1.42%	6.66%	12.23%	5.03%	3.42%	1.08%	1.54%
MRFOX Marshfield Concentrated Opportunity Fund	1.69%	1.62%	4.59%	0.46%	0.35%	6.78%	2.68%	1.39%	1.94%	2.06%	0.60%	0.00%

Drawdowns

MMDEX vs. MRFOX - Drawdown Comparison

The maximum MMDEX drawdown since its inception was -49.99%, which is greater than MRFOX's maximum drawdown of -29.10%. Use the drawdown chart below to compare losses from any high point for MMDEX and MRFOX.

Drawdown Indicators

	MMDEX	MRFOX	Difference
Max Drawdown Largest peak-to-trough decline	-49.99%	-29.10%	-20.89%
Max Drawdown (1Y) Largest decline over 1 year	-15.73%	-7.09%	-8.64%
Max Drawdown (5Y) Largest decline over 5 years	-33.36%	-12.98%	-20.38%
Max Drawdown (10Y) Largest decline over 10 years	-33.36%	-29.10%	-4.26%
Current Drawdown Current decline from peak	-15.73%	-6.40%	-9.33%
Average Drawdown Average peak-to-trough decline	-8.00%	-2.37%	-5.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.38%	2.75%	+1.63%

Volatility

MMDEX vs. MRFOX - Volatility Comparison

Praxis Growth Index Fund (MMDEX) has a higher volatility of 5.43% compared to Marshfield Concentrated Opportunity Fund (MRFOX) at 2.74%. This indicates that MMDEX's price experiences larger fluctuations and is considered to be riskier than MRFOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MMDEX	MRFOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.43%	2.74%	+2.69%
Volatility (6M) Calculated over the trailing 6-month period	12.03%	7.00%	+5.03%
Volatility (1Y) Calculated over the trailing 1-year period	22.24%	11.79%	+10.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.79%	12.04%	+8.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.46%	14.29%	+6.17%