PRINX vs. VWAHX

Last updated Jun 24, 2026

PRINX (T. Rowe Price Summit Municipal Income Fund) and VWAHX (Vanguard High-Yield Tax-Exempt Fund Investor Shares) are both mutual funds - PRINX is a Municipal Bonds fund managed by T. Rowe Price, while VWAHX is a High Yield Muni fund actively managed by Vanguard. Over the past 10 years, PRINX returned 1.95%/yr vs 2.92%/yr for VWAHX. Their correlation of 0.88 suggests significant overlap in exposure. PRINX charges 0.50%/yr vs 0.17%/yr for VWAHX.

Performance

PRINX vs. VWAHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Summit Municipal Income Fund (PRINX) and Vanguard High-Yield Tax-Exempt Fund Investor Shares (VWAHX). 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 PRINX having a 2.38% return and VWAHX slightly higher at 2.39%. Over the past 10 years, PRINX has underperformed VWAHX with an annualized return of 1.95%, while VWAHX has yielded a comparatively higher 2.92% annualized return.

PRINX

• 1D: -0.09%
• 1M: 1.95%
• YTD: 2.38%
• 6M: 2.90%
• 1Y: 7.93%
• 3Y*: 3.75%
• 5Y*: 0.57%
• 10Y*: 1.95%

VWAHX

• 1D: -0.09%
• 1M: 1.96%
• YTD: 2.39%
• 6M: 2.84%
• 1Y: 8.14%
• 3Y*: 5.29%
• 5Y*: 1.53%
• 10Y*: 2.92%

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

PRINX vs. VWAHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRINX T. Rowe Price Summit Municipal Income Fund	2.38%	3.29%	2.36%	6.71%	-11.67%	3.16%	4.60%	7.81%	0.40%	5.94%
VWAHX Vanguard High-Yield Tax-Exempt Fund Investor Shares	2.39%	4.96%	3.98%	8.39%	-11.76%	3.36%	5.39%	9.48%	1.31%	7.86%

Correlation

The correlation between PRINX and VWAHX is 0.80, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Jan 3, 1994	0.88

The correlation between PRINX and VWAHX shifts across timeframes, from 0.80 (1 year) to 0.92 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

PRINX vs. VWAHX — Risk / Return Rank

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

PRINX

PRINX Risk / Return Rank: 78
PRINX Sharpe Ratio Rank: 90
PRINX Sortino Ratio Rank: 92
PRINX Omega Ratio Rank: 93
PRINX Calmar Ratio Rank: 61
PRINX Martin Ratio Rank: 52

VWAHX

VWAHX Risk / Return Rank: 76
VWAHX Sharpe Ratio Rank: 86
VWAHX Sortino Ratio Rank: 91
VWAHX Omega Ratio Rank: 92
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.

PRINX vs. VWAHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Summit Municipal Income Fund (PRINX) 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.

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.

	PRINX	VWAHX	Difference
Sharpe ratio: Return per unit of total volatility	2.77	2.60	+0.17
Sortino ratio: Return per unit of downside risk	4.33	4.20	+0.13
Omega ratio: Gain probability vs. loss probability	1.67	1.67	+0.01
Calmar ratio: Return relative to maximum drawdown	2.85	2.75	+0.11
Martin ratio: Return relative to average drawdown	10.10	9.98	+0.12

PRINX vs. VWAHX - Sharpe Ratio Comparison

The current PRINX Sharpe Ratio is 2.77, which is comparable to the VWAHX Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of PRINX 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.

Drawdowns

PRINX vs. VWAHX - Drawdown Comparison

The maximum PRINX drawdown since its inception was -16.27%, smaller than the maximum VWAHX drawdown of -40.26%. Use the drawdown chart below to compare losses from any high point for PRINX and VWAHX.

Drawdown Indicators

	PRINX	VWAHX	Difference
Max Drawdown Largest peak-to-trough decline	-16.27%	-40.26%	+23.99%
Max Drawdown (1Y) Largest decline over 1 year	-2.90%	-3.05%	+0.15%
Max Drawdown (3Y) Largest decline over 3 years	-6.67%	-7.12%	+0.45%
Max Drawdown (5Y) Largest decline over 5 years	-16.27%	-17.32%	+1.05%
Max Drawdown (10Y) Largest decline over 10 years	-16.27%	-17.32%	+1.05%
Current Drawdown Current decline from peak	-0.09%	-0.09%	0.00%
Average Drawdown Average peak-to-trough decline	-2.18%	-6.92%	+4.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.81%	0.84%	-0.03%

Volatility

PRINX vs. VWAHX - Volatility Comparison

The current volatility for T. Rowe Price Summit Municipal Income Fund (PRINX) is 0.82%, while Vanguard High-Yield Tax-Exempt Fund Investor Shares (VWAHX) has a volatility of 0.90%. This indicates that PRINX 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

	PRINX	VWAHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.82%	0.90%	-0.08%
Volatility (6M) Calculated over the trailing 6-month period	2.20%	2.38%	-0.18%
Volatility (1Y) Calculated over the trailing 1-year period	2.99%	3.23%	-0.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.39%	4.80%	-0.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.29%	4.64%	-0.35%

PRINX vs. VWAHX - Expense Ratio Comparison

PRINX has a 0.50% expense ratio, which is higher than VWAHX's 0.17% expense ratio.

Dividends

PRINX vs. VWAHX - Dividend Comparison

PRINX's dividend yield for the trailing twelve months is around 3.68%, less than VWAHX's 4.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRINX T. Rowe Price Summit Municipal Income Fund	3.68%	3.63%	2.78%	2.46%	1.96%	2.14%	2.64%	2.87%	3.12%	3.19%	3.32%	3.42%
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 PRINX and VWAHX in my portfolio?

PRINX and VWAHX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRINX or VWAHX?

VWAHX has higher volatility (0.90%) compared to PRINX (0.82%). In terms of maximum drawdown, PRINX dropped -16.27% vs VWAHX's -40.26%.

Which has better risk-adjusted returns?

PRINX currently has the higher Sharpe Ratio (2.77 vs 2.60), 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.