Invesco AMT-Free Municipal Fund (OPTAX) Sharpe Ratio: 0.32

OPTAX's Sharpe Ratio of 0.32 indicates that for each unit of volatility, it generates 0.32 units of excess return above the risk-free rate. The ratio is calculated using historical daily returns over the past 12 months (as of Apr 2, 2026).

Sharpe uses total volatility (standard deviation) which includes both upside and downside price movements, making it useful for comparing risk-adjusted returns across different assets.

OPTAX Sharpe Ratio Rank

Concerning

OPTAX ranks above 10.9% of all investments in our database based on Sharpe Ratio over the past 12 months, indicating weak returns relative to total risk taken. Securities are ranked from 0 (worst) to 100 (best).

What moves the rank

Strong returns with low total volatility → Higher rank
High volatility (both upside and downside) → Lower rank
Consistent returns → Higher rank than volatile returns of same magnitude
Sharp drawdowns increase volatility → Lower rank

What you can do with this information

Weak risk-adjusted returns relative to category peers
Evaluate whether this holding aligns with your risk-return objectives
Consider reducing exposure or re-evaluating position size
Review higher-ranked alternatives in the same category

OPTAX Sharpe Ratio Market Positioning

The chart shows OPTAX's Sharpe Ratio relative to all mutual funds on our platform, with color zones indicating percentile rankings. Higher ratios indicate better risk-adjusted returns.

Red zone (bottom 25%): 0.76 or lower
Yellow zone (middle 50%): 0.76 to 1.49
Green zone (top 25%): 1.49 or higher
Top 1%: 3.52+
Median: 1.10 — half of all investments score higher

How it compares to other similar mutual funds

The table compares Invesco AMT-Free Municipal Fund's Sharpe Ratio with other mutual funds in the Municipal Bonds category across multiple time periods, showing how OPTAX's risk-adjusted performance compares to similar funds.

Data shows 1-, 5-, and 10-year periods, plus each fund's all-time average, as of Apr 2, 2026.

Symbol	Name	1Y Sharpe Ratio
DFABX	DFA Short-Term Selective State Municipal Bond Portfolio	3.90
USMTX	JPMorgan Ultra-Short Municipal Fund	3.86
DFSMX	DFA Short Term Municipal Bond Portfolio	3.68
USMSX	JPMorgan Ultra-Short Municipal Fund	3.63
DFCMX	DFA California Short Term Municipal Bond Portfolio	3.45
BATVX	BlackRock Allocation Target Shares	3.40
ATOIX	abrdn Ultra Short Municipal Income Fund	3.34
DNYMX	DFA NY Municipal Bond Portfolio	3.14
TFCYX	SEI Institutional Managed Trust Tax-Free Conservative Income Fund	3.02
PRMDX	T. Rowe Price Maryland Short-Term Tax-Free Bond Fund	3.00
OPTAX	Invesco AMT-Free Municipal Fund	0.32

Benchmark Against

Benchmark

S&P 500 Index

Lookback Period

How to choose period

Historical Sharpe Ratio

The chart shows OPTAX's rolling Sharpe ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to total volatility, while declining trends may signal deteriorating risk-adjusted performance or increased volatility. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.

Identify market cycles by observing when OPTAX consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.

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Explore OPTAX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

OPTAX Sortino Ratio