SPFFX vs. VOO
Compare and contrast key facts about Sphere 500 Fossil Free Fund (SPFFX) and Vanguard S&P 500 ETF (VOO).
SPFFX is managed by Reflection Asset Management. It was launched on Oct 3, 2021. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010.
Performance
SPFFX vs. VOO - Performance Comparison
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SPFFX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SPFFX Sphere 500 Fossil Free Fund | -9.28% | 18.12% | 25.13% | 29.48% | -20.03% | 9.04% |
VOO Vanguard S&P 500 ETF | -4.42% | 17.82% | 24.98% | 26.32% | -18.17% | 10.08% |
Returns By Period
In the year-to-date period, SPFFX achieves a -9.28% return, which is significantly lower than VOO's -4.42% return.
SPFFX
- 1D
- -0.33%
- 1M
- -8.34%
- YTD
- -9.28%
- 6M
- -7.06%
- 1Y
- 13.01%
- 3Y*
- 17.09%
- 5Y*
- —
- 10Y*
- —
VOO
- 1D
- 2.86%
- 1M
- -5.01%
- YTD
- -4.42%
- 6M
- -1.84%
- 1Y
- 17.67%
- 3Y*
- 18.27%
- 5Y*
- 11.75%
- 10Y*
- 14.05%
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SPFFX vs. VOO - Expense Ratio Comparison
SPFFX has a 0.11% expense ratio, which is higher than VOO's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
SPFFX vs. VOO — Risk / Return Rank
SPFFX
VOO
SPFFX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Sphere 500 Fossil Free Fund (SPFFX) and Vanguard S&P 500 ETF (VOO). 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.
| SPFFX | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.71 | 0.98 | -0.27 |
Sortino ratioReturn per unit of downside risk | 1.14 | 1.50 | -0.36 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.23 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.91 | 1.53 | -0.62 |
Martin ratioReturn relative to average drawdown | 3.88 | 7.29 | -3.41 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| SPFFX | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.71 | 0.98 | -0.27 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.70 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.78 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.57 | 0.83 | -0.27 |
Correlation
The correlation between SPFFX and VOO is 0.99, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
SPFFX vs. VOO - Dividend Comparison
SPFFX's dividend yield for the trailing twelve months is around 7.50%, more than VOO's 1.19% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPFFX Sphere 500 Fossil Free Fund | 7.50% | 6.80% | 1.06% | 1.32% | 0.73% | 0.14% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.19% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
SPFFX vs. VOO - Drawdown Comparison
The maximum SPFFX drawdown since its inception was -25.11%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for SPFFX and VOO.
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Drawdown Indicators
| SPFFX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -25.11% | -33.99% | +8.88% |
Max Drawdown (1Y)Largest decline over 1 year | -12.14% | -11.98% | -0.16% |
Max Drawdown (5Y)Largest decline over 5 years | — | -24.52% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.99% | — |
Current DrawdownCurrent decline from peak | -10.75% | -6.29% | -4.46% |
Average DrawdownAverage peak-to-trough decline | -6.60% | -3.72% | -2.88% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.86% | 2.52% | +0.34% |
Volatility
SPFFX vs. VOO - Volatility Comparison
The current volatility for Sphere 500 Fossil Free Fund (SPFFX) is 4.70%, while Vanguard S&P 500 ETF (VOO) has a volatility of 5.29%. This indicates that SPFFX experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPFFX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.70% | 5.29% | -0.59% |
Volatility (6M)Calculated over the trailing 6-month period | 10.07% | 9.44% | +0.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.14% | 18.10% | +1.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.24% | 16.82% | +0.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.24% | 17.99% | -0.75% |