ATPYX vs. PIAMX

Last updated Jun 23, 2026

ATPYX (Aquila High Income Fund) and PIAMX (PIA High Yield (MACS) Fund) are both High Yield Bonds funds. At a 0.48 correlation, their price movements are largely independent. ATPYX charges 0.98%/yr vs 0.20%/yr for PIAMX.

Performance

ATPYX vs. PIAMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aquila High Income Fund (ATPYX) and PIA High Yield (MACS) Fund (PIAMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ATPYX

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

PIAMX

• 1D: 0.00%
• 1M: 1.08%
• YTD: 1.55%
• 6M: 1.87%
• 1Y: 3.73%
• 3Y*: 7.41%
• 5Y*: 4.17%
• 10Y*: —

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

ATPYX vs. PIAMX - Yearly Performance Comparison

	2026 (YTD)
ATPYX Aquila High Income Fund	0.37%
PIAMX PIA High Yield (MACS) Fund	0.75%

Correlation

The correlation between ATPYX and PIAMX is 0.48, 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	0.48

Return for Risk

ATPYX vs. PIAMX — Risk / Return Rank

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

ATPYX

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

PIAMX

PIAMX Risk / Return Rank: 18
PIAMX Sharpe Ratio Rank: 21
PIAMX Sortino Ratio Rank: 19
PIAMX Omega Ratio Rank: 26
PIAMX Calmar Ratio Rank: 11
PIAMX Martin Ratio Rank: 11

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.

ATPYX vs. PIAMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aquila High Income Fund (ATPYX) and PIA High Yield (MACS) Fund (PIAMX). 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.

	ATPYX	PIAMX	Difference
Sharpe ratio: Return per unit of total volatility	—	1.24	—
Sortino ratio: Return per unit of downside risk	—	1.69	—
Omega ratio: Gain probability vs. loss probability	—	1.25	—
Calmar ratio: Return relative to maximum drawdown	—	1.03	—
Martin ratio: Return relative to average drawdown	—	3.09	—

Drawdowns

ATPYX vs. PIAMX - Drawdown Comparison

The maximum ATPYX drawdown since its inception was -0.49%, smaller than the maximum PIAMX drawdown of -18.15%. Use the drawdown chart below to compare losses from any high point for ATPYX and PIAMX.

Drawdown Indicators

	ATPYX	PIAMX	Difference
Max Drawdown Largest peak-to-trough decline	-0.49%	-18.15%	+17.66%
Max Drawdown (1Y) Largest decline over 1 year	—	-3.75%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-6.17%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-13.92%	—
Current Drawdown Current decline from peak	-0.24%	0.00%	-0.24%
Average Drawdown Average peak-to-trough decline	-0.23%	-2.33%	+2.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.25%	—

Volatility

Volatility by Period

	ATPYX	PIAMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.58%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.43%	—
Volatility (1Y) Calculated over the trailing 1-year period	3.03%	3.12%	-0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.03%	4.04%	-1.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.03%	4.22%	-1.19%

ATPYX vs. PIAMX - Expense Ratio Comparison

ATPYX has a 0.98% expense ratio, which is higher than PIAMX's 0.20% expense ratio.

Dividends

ATPYX vs. PIAMX - Dividend Comparison

ATPYX's dividend yield for the trailing twelve months is around 0.49%, less than PIAMX's 7.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
ATPYX Aquila High Income Fund	0.49%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PIAMX PIA High Yield (MACS) Fund	7.84%	9.12%	8.49%	8.12%	7.99%	8.64%	6.63%	6.96%	7.14%

Frequently Asked Questions

Can I hold both ATPYX and PIAMX in my portfolio?

ATPYX and PIAMX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.