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Nuveen Mortgage and Income Fund (JLS) Sharpe Ratio: 0.54

Mutual Fund · Currency in USD · Last updated Jun 24, 2026

A closed-end fixed income fund investing in mortgage-backed securities

JLS's Sharpe Ratio of 0.54 indicates that for each unit of volatility, it generates 0.54 units of excess return above the risk-free rate. The ratio is calculated using historical daily returns over the past 12 months (as of Jun 24, 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. For how to read this number and when it can mislead, see Sharpe Ratio Explained.

JLS Sharpe Ratio Rank

JLS Sharpe Ratio Rank: 7.17
Concerning

JLS ranks above 7.1% 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

JLS Sharpe Ratio Market Positioning

The chart shows JLS'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%): 1.30 or lower
  • Yellow zone (middle 50%): 1.30 to 2.33
  • Green zone (top 25%): 2.33 or higher
  • Top 1%: 4.27+
  • Median: 1.93 — half of all investments score higher

How it compares to other similar mutual funds

The table compares Nuveen Mortgage and Income Fund's Sharpe Ratio with other mutual funds in the Mortgage Backed Securities category across multiple time periods, showing how JLS'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 Jun 24, 2026.

SymbolName1Y Sharpe Ratio5Y Sharpe Ratio10Y Sharpe RatioAll Time Sharpe Ratio
VUSSXInvesco Quality Income Fund Class R61.37
PRXAXT. Rowe Price GNMA Fund Class I1.33
VWTAXTomorrow's Scholar College Savings Plan - ING GNMA Income Fund1.24
TFIF.LTwentyFour Income Fund Limited0.79
JLSNuveen Mortgage and Income Fund0.54
FMYFirst Trust Mortgage Income Fund0.44
PCMPCM Fund Inc.-0.01

S&P 500 Index

How to choose period

Historical Sharpe Ratio

The chart shows JLS'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 JLS consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.

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Sharpe Ratio Calculator

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