SPFFX vs. URAN
SPFFX (Sphere 500 Fossil Free Fund) and URAN (Themes Uranium & Nuclear ETF) are both funds - SPFFX is a Large Cap Blend Equities fund managed by Reflection Asset Management, while URAN is a Uranium fund tracking the BITA Global Uranium and Nuclear Select Index. Over the past year, SPFFX returned 25.99% vs 11.93% for URAN. A 0.54 correlation means they provide meaningful diversification when combined. SPFFX charges 0.11%/yr vs 0.35%/yr for URAN.
Performance
SPFFX vs. URAN - Performance Comparison
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Returns By Period
In the year-to-date period, SPFFX achieves a 9.97% return, which is significantly higher than URAN's -3.44% return.
SPFFX
- 1D
- -0.48%
- 1M
- 0.33%
- YTD
- 9.97%
- 6M
- 8.89%
- 1Y
- 25.99%
- 3Y*
- 21.91%
- 5Y*
- —
- 10Y*
- —
URAN
- 1D
- -1.32%
- 1M
- -5.33%
- YTD
- -3.44%
- 6M
- -5.94%
- 1Y
- 11.93%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SPFFX vs. URAN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
SPFFX Sphere 500 Fossil Free Fund | 9.97% | 18.12% | 5.01% |
URAN Themes Uranium & Nuclear ETF | -3.44% | 49.05% | 3.89% |
Correlation
The correlation between SPFFX and URAN is 0.56, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.56 |
Correlation (All Time) Calculated using the full available price history since Sep 24, 2024 | 0.54 |
The correlation between SPFFX and URAN has been stable across timeframes, ranging from 0.54 to 0.56 - a consistent structural relationship.
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Return for Risk
SPFFX vs. URAN — Risk / Return Rank
SPFFX
URAN
SPFFX vs. URAN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Sphere 500 Fossil Free Fund (SPFFX) and Themes Uranium & Nuclear ETF (URAN). 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.
| SPFFX | URAN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.67 | ||
| Sortino ratioReturn per unit of downside risk | +1.97 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.08 | +0.27 |
| Calmar ratioReturn relative to maximum drawdown | 2.56 | 0.39 | +2.17 |
| Martin ratioReturn relative to average drawdown | 10.82 | 0.85 | +9.97 |
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Drawdowns
SPFFX vs. URAN - Drawdown Comparison
The maximum SPFFX drawdown since its inception was -25.11%, smaller than the maximum URAN drawdown of -31.96%. Use the drawdown chart below to compare losses from any high point for SPFFX and URAN.
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Drawdown Indicators
| SPFFX | URAN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -25.11% | -31.96% | +6.85% |
Max Drawdown (1Y)Largest decline over 1 year | -10.75% | -31.02% | +20.27% |
Max Drawdown (3Y)Largest decline over 3 years | -19.97% | — | — |
Current DrawdownCurrent decline from peak | -1.97% | -26.70% | +24.73% |
Average DrawdownAverage peak-to-trough decline | -6.35% | -11.20% | +4.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.54% | 14.06% | -11.52% |
Volatility
SPFFX vs. URAN - Volatility Comparison
The current volatility for Sphere 500 Fossil Free Fund (SPFFX) is 5.35%, while Themes Uranium & Nuclear ETF (URAN) has a volatility of 13.40%. This indicates that SPFFX experiences smaller price fluctuations and is considered to be less risky than URAN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPFFX | URAN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.35% | 13.40% | -8.05% |
Volatility (6M)Calculated over the trailing 6-month period | 11.15% | 30.44% | -19.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.95% | 39.64% | -25.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.23% | 39.40% | -22.17% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.23% | 39.40% | -22.17% |
SPFFX vs. URAN - Expense Ratio Comparison
SPFFX has a 0.11% expense ratio, which is lower than URAN's 0.35% expense ratio.
Dividends
SPFFX vs. URAN - Dividend Comparison
SPFFX's dividend yield for the trailing twelve months is around 6.18%, more than URAN's 2.65% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
SPFFX Sphere 500 Fossil Free Fund | 6.18% | 6.80% | 1.06% | 1.32% | 0.73% | 0.14% |
URAN Themes Uranium & Nuclear ETF | 2.65% | 2.56% | 0.21% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SPFFX and URAN have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
URAN has higher volatility (13.40%) compared to SPFFX (5.35%). In terms of maximum drawdown, SPFFX dropped -25.11% vs URAN's -31.96%.
SPFFX currently has the higher Sharpe Ratio (1.98 vs 0.30), 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.
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