PIAMX vs. VWAHX

Last updated Jun 4, 2026

PIAMX (PIA High Yield (MACS) Fund) and VWAHX (Vanguard High-Yield Tax-Exempt Fund Investor Shares) are both mutual funds - PIAMX is a High Yield Bonds fund managed by PIA Mutual Funds, while VWAHX is a Municipal Bonds fund managed by Vanguard. Over the past 5 years, PIAMX returned 4.14%/yr vs 1.57%/yr for VWAHX. At a 0.27 correlation, their price movements are largely independent. PIAMX charges 0.20%/yr vs 0.17%/yr for VWAHX.

Performance

PIAMX vs. VWAHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIA High Yield (MACS) Fund (PIAMX) and Vanguard High-Yield Tax-Exempt Fund Investor Shares (VWAHX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PIAMX achieves a 0.79% return, which is significantly lower than VWAHX's 2.30% return.

PIAMX

• 1D: -0.12%
• 1M: 0.71%
• YTD: 0.79%
• 6M: 1.23%
• 1Y: 3.95%
• 3Y*: 7.53%
• 5Y*: 4.14%
• 10Y*: —

VWAHX

• 1D: 0.19%
• 1M: 1.01%
• YTD: 2.30%
• 6M: 2.65%
• 1Y: 8.78%
• 3Y*: 5.46%
• 5Y*: 1.57%
• 10Y*: 3.06%

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

PIAMX vs. VWAHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
PIAMX PIA High Yield (MACS) Fund	0.79%	2.34%	11.23%	16.38%	-10.93%	7.82%	9.05%	11.77%	-2.63%
VWAHX Vanguard High-Yield Tax-Exempt Fund Investor Shares	2.30%	4.96%	3.98%	8.39%	-11.76%	3.36%	5.39%	9.48%	2.57%

Correlation

The correlation between PIAMX and VWAHX is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.38
Correlation (5Y) Calculated over the trailing 5-year period	0.37
Correlation (All Time) Calculated using the full available price history since Jan 30, 2018	0.27

The correlation between PIAMX and VWAHX shifts across timeframes, from 0.27 (all time) to 0.38 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

PIAMX vs. VWAHX — Risk / Return Rank

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

PIAMX

PIAMX Risk / Return Rank: 18
PIAMX Sharpe Ratio Rank: 22
PIAMX Sortino Ratio Rank: 19
PIAMX Omega Ratio Rank: 27
PIAMX Calmar Ratio Rank: 11
PIAMX Martin Ratio Rank: 11

VWAHX

VWAHX Risk / Return Rank: 75
VWAHX Sharpe Ratio Rank: 84
VWAHX Sortino Ratio Rank: 91
VWAHX Omega Ratio Rank: 93
VWAHX Calmar Ratio Rank: 56
VWAHX Martin Ratio Rank: 52

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.

PIAMX vs. VWAHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIA High Yield (MACS) Fund (PIAMX) and Vanguard High-Yield Tax-Exempt Fund Investor Shares (VWAHX). 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.

	PIAMX	VWAHX	Difference
Sharpe ratio: Return per unit of total volatility	1.35	2.72	-1.37
Sortino ratio: Return per unit of downside risk	1.84	4.41	-2.57
Omega ratio: Gain probability vs. loss probability	1.27	1.70	-0.43
Calmar ratio: Return relative to maximum drawdown	1.12	2.89	-1.76
Martin ratio: Return relative to average drawdown	3.37	10.50	-7.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PIAMX vs. VWAHX - Sharpe Ratio Comparison

The current PIAMX Sharpe Ratio is 1.35, which is lower than the VWAHX Sharpe Ratio of 2.72. The chart below compares the historical Sharpe Ratios of PIAMX and VWAHX, 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

	PIAMX	VWAHX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	2.72	-1.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.03	0.33	+0.70
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.66	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.22	0.65	+0.58

Drawdowns

PIAMX vs. VWAHX - Drawdown Comparison

The maximum PIAMX drawdown since its inception was -18.15%, smaller than the maximum VWAHX drawdown of -40.26%. Use the drawdown chart below to compare losses from any high point for PIAMX and VWAHX.

Drawdown Indicators

	PIAMX	VWAHX	Difference
Max Drawdown Largest peak-to-trough decline	-18.15%	-40.26%	+22.11%
Max Drawdown (1Y) Largest decline over 1 year	-3.75%	-3.05%	-0.70%
Max Drawdown (3Y) Largest decline over 3 years	-6.17%	-7.12%	+0.95%
Max Drawdown (5Y) Largest decline over 5 years	-13.92%	-17.32%	+3.40%
Max Drawdown (10Y) Largest decline over 10 years	—	-17.32%	—
Current Drawdown Current decline from peak	-0.55%	0.00%	-0.55%
Average Drawdown Average peak-to-trough decline	-2.34%	-6.93%	+4.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.25%	0.84%	+0.41%

Volatility

PIAMX vs. VWAHX - Volatility Comparison

The current volatility for PIA High Yield (MACS) Fund (PIAMX) is 0.73%, while Vanguard High-Yield Tax-Exempt Fund Investor Shares (VWAHX) has a volatility of 1.27%. This indicates that PIAMX experiences smaller price fluctuations and is considered to be less risky than VWAHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PIAMX	VWAHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.73%	1.27%	-0.54%
Volatility (6M) Calculated over the trailing 6-month period	2.44%	2.40%	+0.04%
Volatility (1Y) Calculated over the trailing 1-year period	3.12%	3.26%	-0.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.04%	4.80%	-0.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.23%	4.64%	-0.41%

PIAMX vs. VWAHX - Expense Ratio Comparison

PIAMX has a 0.20% expense ratio, which is higher than VWAHX's 0.17% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

PIAMX vs. VWAHX - Dividend Comparison

PIAMX's dividend yield for the trailing twelve months is around 7.90%, more than VWAHX's 4.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PIAMX PIA High Yield (MACS) Fund	7.90%	9.12%	8.49%	8.12%	7.99%	8.64%	6.63%	6.96%	7.14%	0.00%	0.00%	0.00%
VWAHX Vanguard High-Yield Tax-Exempt Fund Investor Shares	4.05%	4.95%	4.38%	3.53%	3.36%	2.98%	3.31%	3.94%	3.78%	3.68%	3.75%	3.67%

Frequently Asked Questions

Can I hold both PIAMX and VWAHX in my portfolio?

PIAMX and VWAHX have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PIAMX or VWAHX?

VWAHX has higher volatility (1.27%) compared to PIAMX (0.73%). In terms of maximum drawdown, PIAMX dropped -18.15% vs VWAHX's -40.26%.

Which has better risk-adjusted returns?

VWAHX currently has the higher Sharpe Ratio (2.72 vs 1.35), 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.