COTFX vs. TFCYX

Last updated Jun 5, 2026

COTFX (Aquila Tax-Free Fund of Colorado) and TFCYX (SEI Institutional Managed Trust Tax-Free Conservative Income Fund) are both Municipal Bonds funds. Over the past 5 years, COTFX returned 0.47%/yr vs 2.07%/yr for TFCYX. At a 0.20 correlation, their price movements are largely independent. COTFX charges 0.72%/yr vs 0.13%/yr for TFCYX.

Performance

COTFX vs. TFCYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aquila Tax-Free Fund of Colorado (COTFX) 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

In the year-to-date period, COTFX achieves a 1.70% return, which is significantly higher than TFCYX's 0.92% return.

COTFX

• 1D: 0.00%
• 1M: 0.59%
• YTD: 1.70%
• 6M: 2.10%
• 1Y: 6.80%
• 3Y*: 2.91%
• 5Y*: 0.47%
• 10Y*: 1.23%

TFCYX

• 1D: 0.00%
• 1M: 0.19%
• YTD: 0.92%
• 6M: 1.15%
• 1Y: 2.45%
• 3Y*: 2.86%
• 5Y*: 2.07%
• 10Y*: —

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

COTFX vs. TFCYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COTFX Aquila Tax-Free Fund of Colorado	1.70%	3.71%	0.38%	3.61%	-6.53%	-0.55%	3.80%	5.19%	0.66%	2.83%
TFCYX SEI Institutional Managed Trust Tax-Free Conservative Income Fund	0.92%	2.71%	3.24%	2.77%	0.72%	0.10%	0.46%	1.40%	1.25%	0.69%

Correlation

The correlation between COTFX and TFCYX is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.21
Correlation (5Y) Calculated over the trailing 5-year period	0.21
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017	0.20

Return for Risk

COTFX vs. TFCYX — Risk / Return Rank

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

COTFX

COTFX Risk / Return Rank: 72
COTFX Sharpe Ratio Rank: 89
COTFX Sortino Ratio Rank: 92
COTFX Omega Ratio Rank: 94
COTFX Calmar Ratio Rank: 44
COTFX Martin Ratio Rank: 40

TFCYX

TFCYX Risk / Return Rank: 99
TFCYX Sharpe Ratio Rank: 94
TFCYX Sortino Ratio Rank: 99
TFCYX Omega Ratio Rank: 100
TFCYX Calmar Ratio Rank: 100
TFCYX Martin Ratio Rank: 100

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.

COTFX vs. TFCYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aquila Tax-Free Fund of Colorado (COTFX) 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.

	COTFX	TFCYX	Difference
Sharpe ratio: Return per unit of total volatility	2.91	3.28	-0.37
Sortino ratio: Return per unit of downside risk	4.67	10.90	-6.24
Omega ratio: Gain probability vs. loss probability	1.76	5.87	-4.11
Calmar ratio: Return relative to maximum drawdown	2.47	24.70	-22.23
Martin ratio: Return relative to average drawdown	8.54	75.31	-66.77
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COTFX vs. TFCYX - Sharpe Ratio Comparison

The current COTFX Sharpe Ratio is 2.91, which is comparable to the TFCYX Sharpe Ratio of 3.28. The chart below compares the historical Sharpe Ratios of COTFX 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.

Sharpe Ratios by Period

	COTFX	TFCYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.91	3.28	-0.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.16	1.70	-1.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.41	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.22	1.66	-0.44

Drawdowns

COTFX vs. TFCYX - Drawdown Comparison

The maximum COTFX drawdown since its inception was -10.44%, which is greater than TFCYX's maximum drawdown of -1.10%. Use the drawdown chart below to compare losses from any high point for COTFX and TFCYX.

Drawdown Indicators

	COTFX	TFCYX	Difference
Max Drawdown Largest peak-to-trough decline	-10.44%	-1.10%	-9.34%
Max Drawdown (1Y) Largest decline over 1 year	-2.83%	-0.10%	-2.73%
Max Drawdown (3Y) Largest decline over 3 years	-4.55%	-1.10%	-3.45%
Max Drawdown (5Y) Largest decline over 5 years	-10.36%	-1.10%	-9.26%
Max Drawdown (10Y) Largest decline over 10 years	-10.44%	—	—
Current Drawdown Current decline from peak	-0.58%	0.00%	-0.58%
Average Drawdown Average peak-to-trough decline	-1.52%	-0.02%	-1.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.81%	0.03%	+0.78%

Volatility

COTFX vs. TFCYX - Volatility Comparison

Aquila Tax-Free Fund of Colorado (COTFX) has a higher volatility of 0.88% compared to SEI Institutional Managed Trust Tax-Free Conservative Income Fund (TFCYX) at 0.19%. This indicates that COTFX's price experiences larger fluctuations and is considered to be riskier than TFCYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COTFX	TFCYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.88%	0.19%	+0.69%
Volatility (6M) Calculated over the trailing 6-month period	1.86%	0.53%	+1.33%
Volatility (1Y) Calculated over the trailing 1-year period	2.40%	0.75%	+1.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.91%	1.22%	+1.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.00%	0.91%	+2.09%

COTFX vs. TFCYX - Expense Ratio Comparison

COTFX has a 0.72% expense ratio, which is higher than TFCYX's 0.13% expense ratio.

Dividends

COTFX vs. TFCYX - Dividend Comparison

COTFX's dividend yield for the trailing twelve months is around 3.32%, more than TFCYX's 2.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COTFX Aquila Tax-Free Fund of Colorado	3.32%	3.28%	2.42%	1.99%	1.32%	1.42%	1.75%	2.46%	2.38%	2.52%	2.68%	2.94%
TFCYX SEI Institutional Managed Trust Tax-Free Conservative Income Fund	2.42%	2.68%	3.19%	2.63%	0.72%	0.00%	0.46%	1.39%	1.24%	0.68%	0.00%	0.00%

Frequently Asked Questions

Can I hold both COTFX and TFCYX in my portfolio?

COTFX and TFCYX have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COTFX or TFCYX?

COTFX has higher volatility (0.88%) compared to TFCYX (0.19%). In terms of maximum drawdown, COTFX dropped -10.44% vs TFCYX's -1.10%.

Which has better risk-adjusted returns?

TFCYX currently has the higher Sharpe Ratio (3.28 vs 2.91), 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.