SPAXX vs. BTC-USD
SPAXX (Fidelity Government Money Market Fund) is Money Market fund actively managed by Fidelity, while BTC-USD (Bitcoin) is a cryptocurrency. Over the past 5 years, SPAXX returned 1.50%/yr vs 15.31%/yr for BTC-USD. At a correlation of -0.04, they often move in opposite directions.
Performance
SPAXX vs. BTC-USD - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SPAXX achieves a 1.64% return, which is significantly higher than BTC-USD's -25.13% return.
SPAXX
- 1D
- 0.00%
- 1M
- 0.27%
- 6M
- 1.64%
- YTD
- 1.64%
- 1Y
- 3.60%
- 3Y*
- 2.52%
- 5Y*
- 1.50%
- 10Y*
- —
- ALL TIME*
- 1.46%
BTC-USD
- 1D
- 1.28%
- 1M
- 2.00%
- 6M
- -29.23%
- YTD
- -25.13%
- 1Y
- -44.16%
- 3Y*
- 29.87%
- 5Y*
- 15.31%
- 10Y*
- 58.50%
- ALL TIME*
- 89.00%
SPAXX vs. BTC-USD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SPAXX Fidelity Government Money Market Fund | 1.64% | 3.96% | 1.54% | 0.41% | 0.00% | 0.00% |
BTC-USD Bitcoin | -25.13% | -6.27% | 120.76% | 155.82% | -64.23% | 18.86% |
Correlation
The correlation between SPAXX and BTC-USD is -0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.06 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.06 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.04 |
Correlation (All Time) Calculated using the full available price history since May 25, 2021 | -0.04 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
SPAXX vs. BTC-USD — Risk / Return Rank
SPAXX
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
BTC-USD
SPAXX vs. BTC-USD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Government Money Market Fund (SPAXX) and Bitcoin (BTC-USD). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| SPAXX | BTC-USD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +4.67 | ||
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 0.85 | — |
| Calmar ratioReturn relative to maximum drawdown | — | -0.83 | — |
| Martin ratioReturn relative to average drawdown | — | -1.32 | — |
Loading charts...
Drawdowns
SPAXX vs. BTC-USD - Drawdown Comparison
The maximum SPAXX drawdown since its inception was 0.00%, smaller than the maximum BTC-USD drawdown of -85.30%. Use the drawdown chart below to compare losses from any high point for SPAXX and BTC-USD.
Loading charts...
Drawdown Indicators
| SPAXX | BTC-USD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | 0.00% | -85.30% | +85.30% |
Max Drawdown (1Y)Largest decline over 1 year | 0.00% | -53.08% | +53.08% |
Max Drawdown (3Y)Largest decline over 3 years | 0.00% | -53.08% | +53.08% |
Max Drawdown (5Y)Largest decline over 5 years | 0.00% | -76.67% | +76.67% |
Max Drawdown (10Y)Largest decline over 10 years | — | -83.80% | — |
Current DrawdownCurrent decline from peak | 0.00% | -47.48% | +47.48% |
Average DrawdownAverage peak-to-trough decline | 0.00% | -42.61% | +42.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.00% | 27.88% | -27.88% |
Volatility
SPAXX vs. BTC-USD - Volatility Comparison
The current volatility for Fidelity Government Money Market Fund (SPAXX) is 0.27%, while Bitcoin (BTC-USD) has a volatility of 9.37%. This indicates that SPAXX experiences smaller price fluctuations and is considered to be less risky than BTC-USD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SPAXX | BTC-USD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.27% | 9.37% | -9.10% |
Volatility (6M)Calculated over the trailing 6-month period | 0.65% | 34.93% | -34.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.02% | 35.76% | -34.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.70% | 43.93% | -43.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.69% | 56.33% | -55.64% |
Frequently Asked Questions
SPAXX and BTC-USD have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BTC-USD has higher volatility (9.37%) compared to SPAXX (0.27%). In terms of maximum drawdown, SPAXX dropped 0.00% vs BTC-USD's -85.30%.
SPAXX currently has the higher Sharpe Ratio (3.65 vs -1.03), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for SPAXX and BTC-USD
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer