MIUIX vs. VTMFX

Last updated Aug 1, 2026

MIUIX (MFS Municipal Intermediate Fund) and VTMFX (Vanguard Tax-Managed Balanced Fund Admiral Shares) are both mutual funds - MIUIX is a Municipal Bonds fund managed by MFS, while VTMFX is a Diversified Portfolio fund tracking the Composite benchmark: Russell 1000 Index and Bloomberg 1-15 Year Municipal Bond Index. Over the past 5 years, MIUIX returned 1.04%/yr vs 6.40%/yr for VTMFX. Their 0.23 correlation means their historical movements had little consistent relationship. MIUIX charges 0.45%/yr vs 0.05%/yr for VTMFX.

Performance

MIUIX vs. VTMFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Municipal Intermediate Fund (MIUIX) and Vanguard Tax-Managed Balanced Fund Admiral Shares (VTMFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MIUIX achieves a 0.22% return, which is significantly lower than VTMFX's 4.40% return.

MIUIX

• 1D: -0.22%
• 1M: -1.82%
• 6M: -0.84%
• YTD: 0.22%
• 1Y: 4.36%
• 3Y*: 4.20%
• 5Y*: 1.04%
• 10Y*: —
• ALL TIME*: 1.18%

VTMFX

• 1D: 0.71%
• 1M: -1.15%
• 6M: 3.25%
• YTD: 4.40%
• 1Y: 11.79%
• 3Y*: 10.68%
• 5Y*: 6.40%
• 10Y*: 8.27%
• ALL TIME*: 7.75%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
MIUIX MFS Municipal Intermediate Fund	$0.00	$0.00	$0.00
VTMFX Vanguard Tax-Managed Balanced Fund Admiral Shares	$0.00	$0.00	$0.00

MIUIX vs. VTMFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
MIUIX MFS Municipal Intermediate Fund	0.22%	6.64%	3.00%	5.19%	-8.06%	-0.17%
VTMFX Vanguard Tax-Managed Balanced Fund Admiral Shares	4.40%	11.28%	12.17%	15.55%	-12.69%	6.86%

Correlation

The correlation between MIUIX and VTMFX is 0.30, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.30
Correlation (3Y) Balances recent behavior with more history.	0.27
Correlation (5Y) Shows whether the relationship held over a longer period.	0.24
Correlation (All Time) Calculated using the full available price history since May 26, 2021	0.23

Return for Risk

MIUIX vs. VTMFX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

MIUIX

MIUIX Risk / Return Rank: 66
MIUIX Sharpe Ratio Rank: 83
MIUIX Sortino Ratio Rank: 84
MIUIX Omega Ratio Rank: 90
MIUIX Calmar Ratio Rank: 40
MIUIX Martin Ratio Rank: 34

VTMFX

VTMFX Risk / Return Rank: 72
VTMFX Sharpe Ratio Rank: 74
VTMFX Sortino Ratio Rank: 71
VTMFX Omega Ratio Rank: 72
VTMFX Calmar Ratio Rank: 64
VTMFX Martin Ratio Rank: 78

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

MIUIX vs. VTMFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Municipal Intermediate Fund (MIUIX) and Vanguard Tax-Managed Balanced Fund Admiral Shares (VTMFX). 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.

	MIUIX	VTMFX	Difference
Sharpe ratio: Return per unit of total volatility	2.00	1.66	+0.34
Sortino ratio: Return per unit of downside risk	3.03	2.34	+0.69
Omega ratio: Gain probability vs. loss probability	1.49	1.30	+0.18
Calmar ratio: Return relative to maximum drawdown	1.68	2.06	-0.38
Martin ratio: Return relative to average drawdown	5.16	9.19	-4.04

MIUIX vs. VTMFX - Sharpe Ratio Comparison

The current MIUIX Sharpe Ratio is 2.00, which is comparable to the VTMFX Sharpe Ratio of 1.66. The chart below compares the historical Sharpe Ratios of MIUIX and VTMFX, 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

MIUIX vs. VTMFX - Drawdown Comparison

The maximum MIUIX drawdown since its inception was -12.91%, smaller than the maximum VTMFX drawdown of -28.49%. Use the drawdown chart below to compare losses from any high point for MIUIX and VTMFX.

Drawdown Indicators

	MIUIX	VTMFX	Difference
Max Drawdown Largest peak-to-trough decline	-12.91%	-28.49%	+15.58%
Max Drawdown (1Y) Largest decline over 1 year	-3.15%	-5.38%	+2.23%
Max Drawdown (3Y) Largest decline over 3 years	-4.24%	-10.61%	+6.37%
Max Drawdown (5Y) Largest decline over 5 years	-12.91%	-17.40%	+4.49%
Max Drawdown (10Y) Largest decline over 10 years	—	-21.87%	—
Current Drawdown Current decline from peak	-2.16%	-1.54%	-0.62%
Average Drawdown Average peak-to-trough decline	-3.90%	-3.54%	-0.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.02%	1.20%	-0.18%

Volatility

MIUIX vs. VTMFX - Volatility Comparison

The current volatility for MFS Municipal Intermediate Fund (MIUIX) is 0.79%, while Vanguard Tax-Managed Balanced Fund Admiral Shares (VTMFX) has a volatility of 1.85%. This indicates that MIUIX experiences smaller price fluctuations and is considered to be less risky than VTMFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MIUIX	VTMFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.79%	1.85%	-1.06%
Volatility (6M) Calculated over the trailing 6-month period	2.18%	5.35%	-3.17%
Volatility (1Y) Calculated over the trailing 1-year period	2.65%	6.67%	-4.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.45%	8.59%	-5.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.40%	9.14%	-5.74%

MIUIX vs. VTMFX - Expense Ratio Comparison

MIUIX has a 0.45% expense ratio, which is higher than VTMFX's 0.05% expense ratio.

Dividends

MIUIX vs. VTMFX - Dividend Comparison

MIUIX's dividend yield for the trailing twelve months is around 3.43%, more than VTMFX's 2.22% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MIUIX MFS Municipal Intermediate Fund	3.43%	4.82%	3.61%	2.39%	1.30%	0.64%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VTMFX Vanguard Tax-Managed Balanced Fund Admiral Shares	2.22%	2.14%	2.08%	1.94%	1.85%	1.38%	1.72%	2.05%	2.22%	2.00%	2.13%	2.06%

Frequently Asked Questions

Can I hold both MIUIX and VTMFX in my portfolio?

MIUIX and VTMFX have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MIUIX or VTMFX?

VTMFX has higher volatility (1.85%) compared to MIUIX (0.79%). In terms of maximum drawdown, MIUIX dropped -12.91% vs VTMFX's -28.49%.

Which has better risk-adjusted returns?

MIUIX currently has the higher Sharpe Ratio (2.00 vs 1.66), 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.