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OPTAX vs. VWALX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between OPTAX and VWALX is -0.11. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


-0.50.00.51.0
Correlation: -0.1

Performance

OPTAX vs. VWALX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco AMT-Free Municipal Fund (OPTAX) and Vanguard High-Yield Tax-Exempt Fund Admiral Shares (VWALX). The values are adjusted to include any dividend payments, if applicable.

130.00%140.00%150.00%160.00%170.00%180.00%December2025FebruaryMarchAprilMay
164.84%
136.81%
OPTAX
VWALX

Key characteristics

Sharpe Ratio

OPTAX:

0.11

VWALX:

0.33

Sortino Ratio

OPTAX:

0.18

VWALX:

0.46

Omega Ratio

OPTAX:

1.03

VWALX:

1.08

Calmar Ratio

OPTAX:

0.08

VWALX:

0.31

Martin Ratio

OPTAX:

0.37

VWALX:

1.11

Ulcer Index

OPTAX:

1.88%

VWALX:

1.82%

Daily Std Dev

OPTAX:

6.51%

VWALX:

6.22%

Max Drawdown

OPTAX:

-48.54%

VWALX:

-17.74%

Current Drawdown

OPTAX:

-5.74%

VWALX:

-3.79%

Returns By Period

In the year-to-date period, OPTAX achieves a -2.27% return, which is significantly lower than VWALX's -1.85% return. Over the past 10 years, OPTAX has outperformed VWALX with an annualized return of 3.80%, while VWALX has yielded a comparatively lower 2.84% annualized return.


OPTAX

YTD

-2.27%

1M

-2.64%

6M

-2.07%

1Y

0.11%

5Y*

1.63%

10Y*

3.80%

VWALX

YTD

-1.85%

1M

-2.81%

6M

-1.58%

1Y

1.45%

5Y*

2.11%

10Y*

2.84%

*Annualized

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OPTAX vs. VWALX - Expense Ratio Comparison

OPTAX has a 0.75% expense ratio, which is higher than VWALX's 0.09% expense ratio.


Expense ratio chart for OPTAX: current value is 0.75%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
OPTAX: 0.75%
Expense ratio chart for VWALX: current value is 0.09%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
VWALX: 0.09%

Risk-Adjusted Performance

OPTAX vs. VWALX — Risk-Adjusted Performance Rank

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

OPTAX
The Risk-Adjusted Performance Rank of OPTAX is 2121
Overall Rank
The Sharpe Ratio Rank of OPTAX is 2121
Sharpe Ratio Rank
The Sortino Ratio Rank of OPTAX is 1818
Sortino Ratio Rank
The Omega Ratio Rank of OPTAX is 1919
Omega Ratio Rank
The Calmar Ratio Rank of OPTAX is 2222
Calmar Ratio Rank
The Martin Ratio Rank of OPTAX is 2323
Martin Ratio Rank

VWALX
The Risk-Adjusted Performance Rank of VWALX is 3535
Overall Rank
The Sharpe Ratio Rank of VWALX is 3434
Sharpe Ratio Rank
The Sortino Ratio Rank of VWALX is 3030
Sortino Ratio Rank
The Omega Ratio Rank of VWALX is 3434
Omega Ratio Rank
The Calmar Ratio Rank of VWALX is 4040
Calmar Ratio Rank
The Martin Ratio Rank of VWALX is 3636
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

OPTAX vs. VWALX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco AMT-Free Municipal Fund (OPTAX) and Vanguard High-Yield Tax-Exempt Fund Admiral Shares (VWALX). 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.


The chart of Sharpe ratio for OPTAX, currently valued at 0.11, compared to the broader market-2.00-1.000.001.002.003.00
OPTAX: 0.11
VWALX: 0.33
The chart of Sortino ratio for OPTAX, currently valued at 0.18, compared to the broader market-2.000.002.004.006.008.00
OPTAX: 0.18
VWALX: 0.46
The chart of Omega ratio for OPTAX, currently valued at 1.03, compared to the broader market0.501.001.502.002.503.00
OPTAX: 1.03
VWALX: 1.08
The chart of Calmar ratio for OPTAX, currently valued at 0.08, compared to the broader market0.002.004.006.008.0010.00
OPTAX: 0.08
VWALX: 0.31
The chart of Martin ratio for OPTAX, currently valued at 0.37, compared to the broader market0.0010.0020.0030.0040.00
OPTAX: 0.37
VWALX: 1.11

The current OPTAX Sharpe Ratio is 0.11, which is lower than the VWALX Sharpe Ratio of 0.33. The chart below compares the historical Sharpe Ratios of OPTAX and VWALX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.00December2025FebruaryMarchAprilMay
0.11
0.33
OPTAX
VWALX

Dividends

OPTAX vs. VWALX - Dividend Comparison

OPTAX's dividend yield for the trailing twelve months is around 3.65%, which matches VWALX's 3.65% yield.


TTM20242023202220212020201920182017201620152014
OPTAX
Invesco AMT-Free Municipal Fund
3.65%3.85%3.62%3.58%3.43%3.76%3.52%3.82%4.71%5.77%6.05%6.35%
VWALX
Vanguard High-Yield Tax-Exempt Fund Admiral Shares
3.65%3.82%3.59%3.44%2.93%3.16%3.44%3.84%3.77%3.88%3.75%3.83%

Drawdowns

OPTAX vs. VWALX - Drawdown Comparison

The maximum OPTAX drawdown since its inception was -48.54%, which is greater than VWALX's maximum drawdown of -17.74%. Use the drawdown chart below to compare losses from any high point for OPTAX and VWALX. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%December2025FebruaryMarchAprilMay
-5.74%
-3.79%
OPTAX
VWALX

Volatility

OPTAX vs. VWALX - Volatility Comparison

Invesco AMT-Free Municipal Fund (OPTAX) and Vanguard High-Yield Tax-Exempt Fund Admiral Shares (VWALX) have volatilities of 4.95% and 4.77%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


1.00%2.00%3.00%4.00%5.00%December2025FebruaryMarchAprilMay
4.95%
4.77%
OPTAX
VWALX