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MMUFX vs. IAUM
Performance
Return for Risk
Drawdowns
Volatility
Dividends

MMUFX vs. IAUM

Last updated Jun 4, 2026

MMUFX (MFS Utilities Fund) and IAUM (iShares Gold Trust Micro) are both funds - MMUFX is a Utilities Equities fund managed by MFS, while IAUM is a Gold fund tracking the LBMA Gold Price PM. Over the past 3 years, MMUFX returned 10.28%/yr vs 31.53%/yr for IAUM. At a 0.22 correlation, their price movements are largely independent. MMUFX charges 0.99%/yr vs 0.09%/yr for IAUM.

Performance

MMUFX vs. IAUM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Utilities Fund (MMUFX) and iShares Gold Trust Micro (IAUM). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

In the year-to-date period, MMUFX achieves a 4.90% return, which is significantly higher than IAUM's 3.00% return.

MMUFX

1D
1.85%
1M
-5.09%
YTD
4.90%
6M
3.38%
1Y
12.60%
3Y*
10.28%
5Y*
7.45%
10Y*
8.39%

IAUM

1D
-0.96%
1M
-1.62%
YTD
3.00%
6M
5.58%
1Y
32.42%
3Y*
31.53%
5Y*
—
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

MMUFX vs. IAUM - Yearly Performance Comparison

2026 (YTD)20252024202320222021
MMUFX
MFS Utilities Fund		4.90%14.32%11.38%-2.28%0.35%10.10%
IAUM
iShares Gold Trust Micro		3.00%64.27%27.04%13.12%-0.49%3.87%

Correlation

The correlation between MMUFX and IAUM is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.22

Correlation (3Y)
Calculated over the trailing 3-year period

0.23

Correlation (All Time)
Calculated using the full available price history since Jun 30, 2021

0.22

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

MFS Utilities Fund

iShares Gold Trust Micro

Often compared with MMUFX:
MMUFX vs. FSTEXMMUFX vs. VFIAXMMUFX vs. SPYMMUFX vs. FLCSXMMUFX vs. FDFIXMMUFX vs. FUTYMMUFX vs. UTES
Often compared with IAUM:
IAUM vs. IAUIAUM vs. GLDMIAUM vs. GLDIAUM vs. FSAGXIAUM vs. SGOLIAUM vs. PHYSIAUM vs. SIVR

Return for Risk

MMUFX vs. IAUM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
MMUFX
MMUFX Risk / Return Rank: 1313
Overall Rank
MMUFX Sharpe Ratio Rank: 1111
Sharpe Ratio Rank
MMUFX Sortino Ratio Rank: 1111
Sortino Ratio Rank
MMUFX Omega Ratio Rank: 1111
Omega Ratio Rank
MMUFX Calmar Ratio Rank: 1616
Calmar Ratio Rank
MMUFX Martin Ratio Rank: 1414
Martin Ratio Rank
IAUM
IAUM Risk / Return Rank: 3232
Overall Rank
IAUM Sharpe Ratio Rank: 3333
Sharpe Ratio Rank
IAUM Sortino Ratio Rank: 2929
Sortino Ratio Rank
IAUM Omega Ratio Rank: 3636
Omega Ratio Rank
IAUM Calmar Ratio Rank: 3434
Calmar Ratio Rank
IAUM Martin Ratio Rank: 2929
Martin Ratio Rank
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.

MMUFX vs. IAUM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Utilities Fund (MMUFX) and iShares Gold Trust Micro (IAUM). 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.

MMUFXIAUMDifference
Sharpe ratioReturn per unit of total volatility
0.89
1.24

-0.35

Sortino ratioReturn per unit of downside risk
1.29
1.63

-0.35

Omega ratioGain probability vs. loss probability

1.16

1.25

-0.08

Calmar ratioReturn relative to maximum drawdown

1.46

1.70

-0.24

Martin ratioReturn relative to average drawdown

3.89

4.22

-0.33

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MMUFX vs. IAUM - Sharpe Ratio Comparison

The current MMUFX Sharpe Ratio is 0.89, which is comparable to the IAUM Sharpe Ratio of 1.24. The chart below compares the historical Sharpe Ratios of MMUFX and IAUM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

MMUFXIAUMDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.89

1.24

-0.35

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.47

—

—

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.51

—

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.63

1.16

-0.53

Drawdowns

MMUFX vs. IAUM - Drawdown Comparison

The maximum MMUFX drawdown since its inception was -56.03%, which is greater than IAUM's maximum drawdown of -20.87%. Use the drawdown chart below to compare losses from any high point for MMUFX and IAUM.

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Drawdown Indicators

MMUFXIAUMDifference

Max Drawdown

Largest peak-to-trough decline

-56.03%

-20.87%

-35.16%

Max Drawdown (1Y)

Largest decline over 1 year

-8.75%

-19.15%

+10.40%

Max Drawdown (3Y)

Largest decline over 3 years

-17.72%

-19.15%

+1.43%

Max Drawdown (5Y)

Largest decline over 5 years

-21.64%

—

—

Max Drawdown (10Y)

Largest decline over 10 years

-35.82%

—

—

Current Drawdown

Current decline from peak

-7.07%

-17.68%

+10.61%

Average Drawdown

Average peak-to-trough decline

-8.75%

-5.30%

-3.45%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.27%

7.70%

-4.43%

Volatility

MMUFX vs. IAUM - Volatility Comparison

MFS Utilities Fund (MMUFX) and iShares Gold Trust Micro (IAUM) have volatilities of 5.49% and 5.50%, 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.

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Volatility by Period

MMUFXIAUMDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.49%

5.50%

-0.01%

Volatility (6M)

Calculated over the trailing 6-month period

11.64%

22.89%

-11.25%

Volatility (1Y)

Calculated over the trailing 1-year period

14.28%

26.31%

-12.03%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.81%

17.86%

-2.05%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.64%

17.86%

-1.22%

MMUFX vs. IAUM - Expense Ratio Comparison

MMUFX has a 0.99% expense ratio, which is higher than IAUM's 0.09% expense ratio.

Dividends

MMUFX vs. IAUM - Dividend Comparison

MMUFX's dividend yield for the trailing twelve months is around 3.65%, while IAUM has not paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
IAUM
iShares Gold Trust Micro		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
MMUFX
MFS Utilities Fund		3.65%3.83%3.72%5.82%8.68%5.61%5.80%6.85%4.29%2.67%3.72%9.09%

Frequently Asked Questions

MMUFX and IAUM have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IAUM has higher volatility (5.50%) compared to MMUFX (5.49%). In terms of maximum drawdown, MMUFX dropped -56.03% vs IAUM's -20.87%.

IAUM currently has the higher Sharpe Ratio (1.24 vs 0.89), 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.

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