MUXYX vs. SPFIX
MUXYX (Victory S&P 500 Index Fund) and SPFIX (Shelton Capital Management S&P 500 Index Fund) are both S&P 500 funds tracking the S&P 500 Index, from Victory and BlackRock respectively. Both are passively managed. Over the past 10 years, MUXYX returned 14.56%/yr vs 17.18%/yr for SPFIX. Their 0.99 correlation means they have historically moved very closely together. MUXYX charges 0.44%/yr vs 0.43%/yr for SPFIX.
Performance
MUXYX vs. SPFIX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with MUXYX having a 9.84% return and SPFIX slightly higher at 9.88%. Over the past 10 years, MUXYX has underperformed SPFIX with an annualized return of 14.56%, while SPFIX has yielded a comparatively higher 17.18% annualized return.
MUXYX
- 1D
- 0.72%
- 1M
- 0.10%
- 6M
- 7.73%
- YTD
- 9.84%
- 1Y
- 20.93%
- 3Y*
- 18.90%
- 5Y*
- 12.32%
- 10Y*
- 14.56%
- ALL TIME*
- 10.48%
SPFIX
- 1D
- 0.70%
- 1M
- 0.13%
- 6M
- 7.78%
- YTD
- 9.88%
- 1Y
- 21.13%
- 3Y*
- 24.48%
- 5Y*
- 15.48%
- 10Y*
- 17.18%
- ALL TIME*
- 10.89%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
MUXYX vs. SPFIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MUXYX Victory S&P 500 Index Fund | 9.84% | 17.17% | 24.62% | 25.70% | -18.49% | 28.01% | 17.91% | 30.85% | -4.84% | 21.27% |
SPFIX Shelton Capital Management S&P 500 Index Fund | 9.88% | 17.23% | 42.83% | 25.48% | -18.22% | 27.99% | 17.41% | 41.64% | -4.68% | 21.55% |
Correlation
The correlation between MUXYX and SPFIX is 1.00 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 1.00 |
Correlation (3Y) Balances recent behavior with more history. | 0.98 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.99 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.99 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 1993 | 0.99 |
The correlation between MUXYX and SPFIX has been stable across timeframes, ranging from 0.98 to 1.00 - a consistent structural relationship.
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Return for Risk
MUXYX vs. SPFIX — Risk / Return Rank
MUXYX
SPFIX
MUXYX vs. SPFIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Victory S&P 500 Index Fund (MUXYX) and Shelton Capital Management S&P 500 Index Fund (SPFIX). 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.
| MUXYX | SPFIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | -0.03 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.27 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.12 | 2.17 | -0.05 |
| Martin ratioReturn relative to average drawdown | 9.05 | 9.30 | -0.24 |
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Drawdowns
MUXYX vs. SPFIX - Drawdown Comparison
The maximum MUXYX drawdown since its inception was -55.74%, roughly equal to the maximum SPFIX drawdown of -54.81%. Use the drawdown chart below to compare losses from any high point for MUXYX and SPFIX.
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Drawdown Indicators
| MUXYX | SPFIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.74% | -54.81% | -0.93% |
Max Drawdown (1Y)Largest decline over 1 year | -9.01% | -8.90% | -0.11% |
Max Drawdown (3Y)Largest decline over 3 years | -27.62% | -18.94% | -8.68% |
Max Drawdown (5Y)Largest decline over 5 years | -28.47% | -24.69% | -3.78% |
Max Drawdown (10Y)Largest decline over 10 years | -33.79% | -33.83% | +0.04% |
Current DrawdownCurrent decline from peak | -1.47% | -1.39% | -0.08% |
Average DrawdownAverage peak-to-trough decline | -9.53% | -8.91% | -0.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.10% | 2.07% | +0.03% |
Volatility
MUXYX vs. SPFIX - Volatility Comparison
Victory S&P 500 Index Fund (MUXYX) and Shelton Capital Management S&P 500 Index Fund (SPFIX) have volatilities of 3.51% and 3.49%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MUXYX | SPFIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.51% | 3.49% | +0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 10.11% | 10.06% | +0.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.88% | 12.81% | +0.07% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.53% | 18.33% | +1.20% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.33% | 18.88% | +0.45% |
MUXYX vs. SPFIX - Expense Ratio Comparison
MUXYX has a 0.44% expense ratio, which is higher than SPFIX's 0.43% expense ratio.
Dividends
MUXYX vs. SPFIX - Dividend Comparison
MUXYX's dividend yield for the trailing twelve months is around 7.46%, more than SPFIX's 3.31% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MUXYX Victory S&P 500 Index Fund | 7.46% | 8.00% | 16.75% | 5.84% | 8.25% | 7.94% | 7.27% | 13.51% | 12.31% | 17.31% | 8.03% | 11.65% |
SPFIX Shelton Capital Management S&P 500 Index Fund | 3.31% | 3.45% | 27.20% | 8.08% | 5.07% | 5.43% | 8.06% | 16.60% | 2.49% | 3.01% | 2.92% | 4.35% |
Frequently Asked Questions
With a correlation of 1.00, MUXYX and SPFIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
MUXYX has higher volatility (3.51%) compared to SPFIX (3.49%). In terms of maximum drawdown, MUXYX dropped -55.74% vs SPFIX's -54.81%.
SPFIX currently has the higher Sharpe Ratio (1.51 vs 1.48), 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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