DMNBX vs. TFCYX

Last updated Jul 11, 2026

DMNBX (DFA MN Municipal Bond Portfolio) and TFCYX (SEI Institutional Managed Trust Tax-Free Conservative Income Fund) are both Municipal Bonds funds. Over the past 5 years, DMNBX returned 1.22%/yr vs 2.11%/yr for TFCYX. At a 0.02 correlation, their price movements are largely independent. DMNBX charges 0.32%/yr vs 0.13%/yr for TFCYX.

Performance

DMNBX vs. TFCYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DFA MN Municipal Bond Portfolio (DMNBX) and SEI Institutional Managed Trust Tax-Free Conservative Income Fund (TFCYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with DMNBX having a 1.08% return and TFCYX slightly higher at 1.11%.

DMNBX

• 1D: 0.00%
• 1M: 0.19%
• 6M: 0.78%
• YTD: 1.08%
• 1Y: 2.05%
• 3Y*: 2.54%
• 5Y*: 1.22%
• 10Y*: —

TFCYX

• 1D: 0.00%
• 1M: 0.19%
• 6M: 1.11%
• YTD: 1.11%
• 1Y: 2.33%
• 3Y*: 2.84%
• 5Y*: 2.11%
• 10Y*: —

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

DMNBX vs. TFCYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DMNBX DFA MN Municipal Bond Portfolio	1.08%	2.50%	2.23%	2.65%	-2.03%	-0.31%	2.01%	3.30%	0.81%	-46.67%
TFCYX SEI Institutional Managed Trust Tax-Free Conservative Income Fund	1.11%	2.71%	3.24%	2.77%	0.72%	0.10%	0.46%	1.40%	1.25%	0.38%

Correlation

The correlation between DMNBX and TFCYX is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.06
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.03
Correlation (All Time) Calculated using the full available price history since Jul 10, 2017	0.02

Return for Risk

DMNBX vs. TFCYX — Risk / Return Rank

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

DMNBX

DMNBX Risk / Return Rank: 95
DMNBX Sharpe Ratio Rank: 97
DMNBX Sortino Ratio Rank: 97
DMNBX Omega Ratio Rank: 98
DMNBX Calmar Ratio Rank: 94
DMNBX Martin Ratio Rank: 90

TFCYX

TFCYX Risk / Return Rank: 99
TFCYX Sharpe Ratio Rank: 98
TFCYX Sortino Ratio Rank: 99
TFCYX Omega Ratio Rank: 100
TFCYX Calmar Ratio Rank: 100
TFCYX Martin Ratio Rank: 99

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.

DMNBX vs. TFCYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DFA MN Municipal Bond Portfolio (DMNBX) and SEI Institutional Managed Trust Tax-Free Conservative Income Fund (TFCYX). 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.

	DMNBX	TFCYX	Difference
Sharpe ratio: Return per unit of total volatility	2.98	3.16	-0.18
Sortino ratio: Return per unit of downside risk	5.20	10.35	-5.15
Omega ratio: Gain probability vs. loss probability	2.34	5.62	-3.28
Calmar ratio: Return relative to maximum drawdown	4.28	23.43	-19.15
Martin ratio: Return relative to average drawdown	13.81	71.45	-57.64

DMNBX vs. TFCYX - Sharpe Ratio Comparison

The current DMNBX Sharpe Ratio is 2.98, which is comparable to the TFCYX Sharpe Ratio of 3.16. The chart below compares the historical Sharpe Ratios of DMNBX and TFCYX, 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

DMNBX vs. TFCYX - Drawdown Comparison

The maximum DMNBX drawdown since its inception was -47.47%, which is greater than TFCYX's maximum drawdown of -1.10%. Use the drawdown chart below to compare losses from any high point for DMNBX and TFCYX.

Drawdown Indicators

	DMNBX	TFCYX	Difference
Max Drawdown Largest peak-to-trough decline	-47.47%	-1.10%	-46.37%
Max Drawdown (1Y) Largest decline over 1 year	-0.50%	-0.10%	-0.40%
Max Drawdown (3Y) Largest decline over 3 years	-0.91%	-1.10%	+0.19%
Max Drawdown (5Y) Largest decline over 5 years	-3.90%	-1.10%	-2.80%
Current Drawdown Current decline from peak	-40.07%	0.00%	-40.07%
Average Drawdown Average peak-to-trough decline	-44.03%	-0.02%	-44.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.16%	0.03%	+0.13%

Volatility

DMNBX vs. TFCYX - Volatility Comparison

The current volatility for DFA MN Municipal Bond Portfolio (DMNBX) is 0.14%, while SEI Institutional Managed Trust Tax-Free Conservative Income Fund (TFCYX) has a volatility of 0.19%. This indicates that DMNBX experiences smaller price fluctuations and is considered to be less risky than TFCYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DMNBX	TFCYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.14%	0.19%	-0.05%
Volatility (6M) Calculated over the trailing 6-month period	0.58%	0.52%	+0.06%
Volatility (1Y) Calculated over the trailing 1-year period	0.72%	0.74%	-0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.06%	1.22%	-0.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.58%	0.91%	+14.67%

DMNBX vs. TFCYX - Expense Ratio Comparison

DMNBX has a 0.32% expense ratio, which is higher than TFCYX's 0.13% expense ratio.

Dividends

DMNBX vs. TFCYX - Dividend Comparison

DMNBX's dividend yield for the trailing twelve months is around 2.33%, less than TFCYX's 2.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
DMNBX DFA MN Municipal Bond Portfolio	2.33%	2.06%	2.10%	1.48%	0.89%	0.79%	1.60%	1.14%	1.10%	0.34%
TFCYX SEI Institutional Managed Trust Tax-Free Conservative Income Fund	2.40%	2.68%	3.19%	2.63%	0.72%	0.00%	0.46%	1.39%	1.24%	0.68%

Frequently Asked Questions

Can I hold both DMNBX and TFCYX in my portfolio?

DMNBX and TFCYX have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DMNBX or TFCYX?

TFCYX has higher volatility (0.19%) compared to DMNBX (0.14%). In terms of maximum drawdown, DMNBX dropped -47.47% vs TFCYX's -1.10%.

Which has better risk-adjusted returns?

TFCYX currently has the higher Sharpe Ratio (3.16 vs 2.98), 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.