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Calvert Global Water Fund (CFWAX) Sharpe Ratio: 0.79

CFWAX's Sharpe Ratio of 0.79 indicates that for each unit of volatility, it generates 0.79 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 1, 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.

CFWAX Sharpe Ratio Rank


CFWAX Sharpe Ratio Rank: 35.536
Below Average

CFWAX ranks above 35.5% of all investments in our database based on Sharpe Ratio over the past 12 months, indicating below-average returns relative to volatility. 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

  • Returns may not adequately compensate for volatility taken
  • Consider smaller allocation given below-average risk-adjusted profile
  • Explore higher-ranked investments with better consistency
  • Assess whether the volatility profile aligns with your portfolio goals

CFWAX Sharpe Ratio Market Positioning

The chart shows CFWAX'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%): 0.65 or lower
  • Yellow zone (middle 50%): 0.65 to 1.37
  • Green zone (top 25%): 1.37 or higher
  • Top 1%: 3.58+
  • Median: 1.00 — half of all investments score higher

How it compares to other similar mutual funds

The table compares Calvert Global Water Fund's Sharpe Ratio with other mutual funds in the Energy Equities category across multiple time periods, showing how CFWAX'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 1, 2026.


SymbolName1Y Sharpe Ratio5Y Sharpe Ratio10Y Sharpe RatioAll Time Sharpe Ratio
RSNYXVictory Global Energy Transition Fund Class Y3.88
RSNRXVictory Global Energy Transition Fund3.85
PSPFXU.S. Global Investors Global Resources Fund3.15
GRHIXGoehring & Rozencwajg Resources Fund3.04
IGNAXDelaware Ivy Natural Resources Fund2.68
MLOZXCohen & Steers MLP & Energy Opportunity Fund, Inc.2.59
IEYYXDelaware Ivy Energy Fund2.54
VGELXVanguard Energy Fund Admiral Shares2.52
VGENXVanguard Energy Fund Investor Shares2.51
APWEXCavanal Hill World Energy Fund2.50
CFWAXCalvert Global Water Fund0.79

S&P 500 Index

How to choose period

Historical Sharpe Ratio

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


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Explore CFWAX risk-adjusted metrics in detail

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