Fidelity Government Money Market Fund (SPAXX) Sharpe Ratio: 3.48
SPAXX's Sharpe Ratio of 3.48 indicates that for each unit of volatility, it generates 3.48 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.
SPAXX Sharpe Ratio Rank
SPAXX ranks above 98.9% of all investments in our database based on Sharpe Ratio over the past 12 months, demonstrating exceptional risk-adjusted returns. 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
- Suitable as a core holding given strong risk-adjusted returns
- Monitor rank changes to detect deteriorating return-to-volatility profile
- Exceptional Sharpe ratio supports larger position sizes
- Compare with category peers to assess whether strength is investment-specific or category-wide
SPAXX Sharpe Ratio Market Positioning
The chart shows SPAXX'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 Fidelity Government Money Market Fund's Sharpe Ratio with other mutual funds in the Money Market category across multiple time periods, showing how SPAXX'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 | 5Y Sharpe Ratio | 10Y Sharpe Ratio | All Time Sharpe Ratio |
|---|---|---|---|---|---|
| SWVXX | Schwab Value Advantage Money Fund | 3.52 | |||
| SNSXX | Schwab U.S. Treasury Money Fund | 3.52 | |||
| VUSXX | Vanguard Treasury Money Market Fund | 3.51 | |||
| VMRXX | Vanguard Cash Reserves Federal Money Market Fund Admiral Shares | 3.51 | |||
| VMFXX | Vanguard Federal Money Market Fund | 3.51 | |||
| SPAXX | Fidelity Government Money Market Fund | 3.48 |
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