AZTFX vs. ATPYX

Last updated Jun 23, 2026

AZTFX (Aquila Tax Free Trust of Arizona Fund) and ATPYX (Aquila High Income Fund) are both mutual funds - AZTFX is a Municipal Bonds fund managed by Aquila, while ATPYX is a High Yield Bonds fund managed by Aquila. At a 0.50 correlation, their price movements are largely independent. AZTFX charges 0.73%/yr vs 0.98%/yr for ATPYX.

Performance

AZTFX vs. ATPYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aquila Tax Free Trust of Arizona Fund (AZTFX) and Aquila High Income Fund (ATPYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

AZTFX

• 1D: 0.10%
• 1M: 1.31%
• YTD: 1.59%
• 6M: 1.99%
• 1Y: 6.55%
• 3Y*: 3.20%
• 5Y*: 0.44%
• 10Y*: 1.46%

ATPYX

• 1D: 0.00%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AZTFX vs. ATPYX - Yearly Performance Comparison

	2026 (YTD)
AZTFX Aquila Tax Free Trust of Arizona Fund	0.79%
ATPYX Aquila High Income Fund	0.37%

Correlation

The correlation between AZTFX and ATPYX is 0.50, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 28, 2026	0.50

Return for Risk

AZTFX vs. ATPYX — Risk / Return Rank

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

AZTFX

AZTFX Risk / Return Rank: 72
AZTFX Sharpe Ratio Rank: 92
AZTFX Sortino Ratio Rank: 94
AZTFX Omega Ratio Rank: 96
AZTFX Calmar Ratio Rank: 42
AZTFX Martin Ratio Rank: 38

ATPYX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

AZTFX vs. ATPYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aquila Tax Free Trust of Arizona Fund (AZTFX) and Aquila High Income Fund (ATPYX). 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.

	AZTFX	ATPYX	Difference
Sharpe ratio: Return per unit of total volatility	2.85	—	—
Sortino ratio: Return per unit of downside risk	4.50	—	—
Omega ratio: Gain probability vs. loss probability	1.81	—	—
Calmar ratio: Return relative to maximum drawdown	2.35	—	—
Martin ratio: Return relative to average drawdown	7.81	—	—

Drawdowns

AZTFX vs. ATPYX - Drawdown Comparison

The maximum AZTFX drawdown since its inception was -12.40%, which is greater than ATPYX's maximum drawdown of -0.49%. Use the drawdown chart below to compare losses from any high point for AZTFX and ATPYX.

Drawdown Indicators

	AZTFX	ATPYX	Difference
Max Drawdown Largest peak-to-trough decline	-12.40%	-0.49%	-11.91%
Max Drawdown (1Y) Largest decline over 1 year	-2.80%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-4.53%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-12.40%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-12.40%	—	—
Current Drawdown Current decline from peak	-0.57%	-0.24%	-0.33%
Average Drawdown Average peak-to-trough decline	-1.69%	-0.23%	-1.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.84%	—	—

Volatility

Volatility by Period

	AZTFX	ATPYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.61%	—	—
Volatility (6M) Calculated over the trailing 6-month period	1.85%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	2.32%	3.03%	-0.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.24%	3.03%	+0.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.21%	3.03%	+0.18%

AZTFX vs. ATPYX - Expense Ratio Comparison

AZTFX has a 0.73% expense ratio, which is lower than ATPYX's 0.98% expense ratio.

Dividends

AZTFX vs. ATPYX - Dividend Comparison

AZTFX's dividend yield for the trailing twelve months is around 3.31%, more than ATPYX's 0.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATPYX Aquila High Income Fund	0.49%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
AZTFX Aquila Tax Free Trust of Arizona Fund	3.31%	3.28%	2.50%	2.43%	1.66%	1.97%	2.26%	2.94%	2.95%	2.78%	3.09%	3.33%

Frequently Asked Questions

Can I hold both AZTFX and ATPYX in my portfolio?

AZTFX and ATPYX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.