MUXYX vs. FXAIX
MUXYX (Victory S&P 500 Index Fund) and FXAIX (Fidelity 500 Index Fund) are both S&P 500 funds tracking the S&P 500 Index, from Victory and Fidelity respectively. Both are passively managed. Over the past 10 years, MUXYX returned 15.00%/yr vs 15.58%/yr for FXAIX. With a 0.99 correlation, they move nearly in lockstep. MUXYX charges 0.44%/yr vs 0.02%/yr for FXAIX.
Performance
MUXYX vs. FXAIX - Performance Comparison
Loading charts...
Returns By Period
The year-to-date returns for both investments are quite close, with MUXYX having a 9.95% return and FXAIX slightly higher at 10.19%. Both investments have delivered pretty close results over the past 10 years, with MUXYX having a 15.00% annualized return and FXAIX not far ahead at 15.58%.
MUXYX
- 1D
- 1.09%
- 1M
- 0.43%
- YTD
- 9.95%
- 6M
- 9.44%
- 1Y
- 26.58%
- 3Y*
- 20.46%
- 5Y*
- 13.57%
- 10Y*
- 15.00%
FXAIX
- 1D
- 1.09%
- 1M
- 0.47%
- YTD
- 10.19%
- 6M
- 9.68%
- 1Y
- 27.18%
- 3Y*
- 20.98%
- 5Y*
- 14.10%
- 10Y*
- 15.58%
MUXYX vs. FXAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MUXYX Victory S&P 500 Index Fund | 9.95% | 17.17% | 24.62% | 25.70% | -18.49% | 28.01% | 17.91% | 30.85% | -4.84% | 21.27% |
FXAIX Fidelity 500 Index Fund | 10.19% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -4.43% | 21.82% |
Correlation
The correlation between MUXYX and FXAIX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 1.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.99 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.99 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since May 4, 2011 | 0.99 |
The correlation between MUXYX and FXAIX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.
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
MUXYX vs. FXAIX — Risk / Return Rank
MUXYX
FXAIX
MUXYX vs. FXAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Victory S&P 500 Index Fund (MUXYX) and Fidelity 500 Index Fund (FXAIX). 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 | FXAIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.05 | ||
| Sortino ratioReturn per unit of downside risk | -0.06 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 1.39 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.94 | 3.04 | -0.10 |
| Martin ratioReturn relative to average drawdown | 13.23 | 13.75 | -0.52 |
Loading charts...
Drawdowns
MUXYX vs. FXAIX - Drawdown Comparison
The maximum MUXYX drawdown since its inception was -55.74%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for MUXYX and FXAIX.
Loading charts...
Drawdown Indicators
| MUXYX | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.74% | -33.79% | -21.95% |
Max Drawdown (1Y)Largest decline over 1 year | -9.01% | -8.89% | -0.12% |
Max Drawdown (3Y)Largest decline over 3 years | -27.62% | -18.76% | -8.86% |
Max Drawdown (5Y)Largest decline over 5 years | -28.47% | -24.50% | -3.97% |
Max Drawdown (10Y)Largest decline over 10 years | -33.79% | -33.79% | 0.00% |
Current DrawdownCurrent decline from peak | -1.37% | -1.36% | -0.01% |
Average DrawdownAverage peak-to-trough decline | -9.56% | -3.79% | -5.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.00% | 1.96% | +0.04% |
Volatility
MUXYX vs. FXAIX - Volatility Comparison
Victory S&P 500 Index Fund (MUXYX) and Fidelity 500 Index Fund (FXAIX) have volatilities of 4.78% and 4.77%, 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.
Loading charts...
Volatility by Period
| MUXYX | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.78% | 4.77% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 9.91% | 9.91% | 0.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.48% | 12.47% | +0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.52% | 17.01% | +2.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.36% | 18.11% | +1.25% |
MUXYX vs. FXAIX - Expense Ratio Comparison
MUXYX has a 0.44% expense ratio, which is higher than FXAIX's 0.02% expense ratio.
Dividends
MUXYX vs. FXAIX - Dividend Comparison
MUXYX's dividend yield for the trailing twelve months is around 7.45%, more than FXAIX's 1.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FXAIX Fidelity 500 Index Fund | 1.04% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
MUXYX Victory S&P 500 Index Fund | 7.45% | 8.00% | 16.75% | 5.84% | 8.25% | 7.94% | 7.27% | 13.51% | 12.31% | 17.31% | 8.03% | 11.65% |
Frequently Asked Questions
With a correlation of 1.00, MUXYX and FXAIX 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 (4.78%) compared to FXAIX (4.77%). In terms of maximum drawdown, MUXYX dropped -55.74% vs FXAIX's -33.79%.
FXAIX currently has the higher Sharpe Ratio (2.17 vs 2.12), 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 MUXYX and FXAIX
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