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American Funds The Growth Fund of America Class R-6 (RGAGX) Sharpe Ratio: 1.52

Mutual Fund · Currency in USD · Last updated Jun 23, 2026

The Growth Fund of America Class R-6 (RGAGX) is an actively managed mutual fund from Capital Group's American Funds, seeking long-term capital growth through investments in U.S. and, to a lesser extent, international companies with strong growth potential. It uses Capital Group's multi-manager system, dividing assets among several portfolio managers. The R-6 share class is designed for retirement plans and carries the lowest expense ratio. The fund launched in 1973.

RGAGX's Sharpe Ratio of 1.52 indicates that for each unit of volatility, it generates 1.52 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 23, 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.

RGAGX Sharpe Ratio Rank

RGAGX Sharpe Ratio Rank: 32.132
Below Average

RGAGX ranks above 32.1% 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

RGAGX Sharpe Ratio Market Positioning

The chart shows RGAGX'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%): 1.33 or lower
  • Yellow zone (middle 50%): 1.33 to 2.32
  • Green zone (top 25%): 2.32 or higher
  • Top 1%: 4.32+
  • Median: 1.93 — half of all investments score higher

How it compares to other similar mutual funds

The table compares American Funds The Growth Fund of America Class R-6's Sharpe Ratio with other mutual funds in the Large Cap Growth Equities category across multiple time periods, showing how RGAGX'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 23, 2026.

SymbolName1Y Sharpe Ratio5Y Sharpe Ratio10Y Sharpe RatioAll Time Sharpe Ratio
POGRXPrimeCap Odyssey Growth Fund3.42
VPMCXVanguard PRIMECAP Fund Investor Shares3.42
FOCKXFidelity OTC Portfolio Class K3.13
FOCPXFidelity OTC Portfolio3.13
ONERXOne Rock Fund3.11
VHCAXVanguard Capital Opportunity Fund Admiral Shares3.03
FCGSXFidelity Series Growth Company Fund2.95
ANFFXAmerican Funds The New Economy Fund Class F-12.84
IOLZXICON Equity Fund2.84
CHAIXChase Growth Fund Institutional Class2.79
RGAGXAmerican Funds The Growth Fund of America Class R-61.52

S&P 500 Index

How to choose period

Historical Sharpe Ratio

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

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