BXMX vs. SPFIX
Compare and contrast key facts about Nuveen S&P 500 Buy-Write Income Fund (BXMX) and Shelton Capital Management S&P 500 Index Fund (SPFIX).
BXMX is an actively managed fund by Nuveen. It was launched on Nov 25, 2004. SPFIX is a passively managed fund by BlackRock that tracks the performance of the S&P 500 Index. It was launched on Apr 20, 1992.
Performance
BXMX vs. SPFIX - Performance Comparison
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BXMX vs. SPFIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BXMX Nuveen S&P 500 Buy-Write Income Fund | -8.03% | 13.74% | 17.26% | 9.10% | -7.18% | 20.83% | 1.11% | 22.22% | -9.06% | 19.76% |
SPFIX Shelton Capital Management S&P 500 Index Fund | -7.11% | 17.23% | 42.83% | 25.48% | -18.22% | 27.99% | 17.41% | 41.64% | -4.68% | 21.55% |
Returns By Period
In the year-to-date period, BXMX achieves a -8.03% return, which is significantly lower than SPFIX's -7.11% return. Over the past 10 years, BXMX has underperformed SPFIX with an annualized return of 8.03%, while SPFIX has yielded a comparatively higher 15.75% annualized return.
BXMX
- 1D
- -2.07%
- 1M
- -7.53%
- YTD
- -8.03%
- 6M
- -4.57%
- 1Y
- 9.21%
- 3Y*
- 9.29%
- 5Y*
- 7.43%
- 10Y*
- 8.03%
SPFIX
- 1D
- -0.37%
- 1M
- -7.67%
- YTD
- -7.11%
- 6M
- -4.66%
- 1Y
- 14.10%
- 3Y*
- 22.03%
- 5Y*
- 14.01%
- 10Y*
- 15.75%
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BXMX vs. SPFIX - Expense Ratio Comparison
BXMX has a 0.89% expense ratio, which is higher than SPFIX's 0.43% expense ratio.
Return for Risk
BXMX vs. SPFIX — Risk / Return Rank
BXMX
SPFIX
BXMX vs. SPFIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Nuveen S&P 500 Buy-Write Income Fund (BXMX) 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.
| BXMX | SPFIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.52 | 0.81 | -0.28 |
Sortino ratioReturn per unit of downside risk | 0.87 | 1.26 | -0.39 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.19 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.73 | 1.01 | -0.28 |
Martin ratioReturn relative to average drawdown | 3.22 | 4.90 | -1.68 |
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
| BXMX | SPFIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.52 | 0.81 | -0.28 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.50 | 0.77 | -0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.46 | 0.84 | -0.38 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 0.56 | -0.20 |
Correlation
The correlation between BXMX and SPFIX is 0.66, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
BXMX vs. SPFIX - Dividend Comparison
BXMX's dividend yield for the trailing twelve months is around 8.22%, more than SPFIX's 3.68% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BXMX Nuveen S&P 500 Buy-Write Income Fund | 8.22% | 7.41% | 7.02% | 7.37% | 7.48% | 5.87% | 6.81% | 6.76% | 8.12% | 6.41% | 7.33% | 7.42% |
SPFIX Shelton Capital Management S&P 500 Index Fund | 3.68% | 3.45% | 27.20% | 8.08% | 5.07% | 5.43% | 8.06% | 16.60% | 2.49% | 3.01% | 2.92% | 4.35% |
Drawdowns
BXMX vs. SPFIX - Drawdown Comparison
The maximum BXMX drawdown since its inception was -49.53%, smaller than the maximum SPFIX drawdown of -54.81%. Use the drawdown chart below to compare losses from any high point for BXMX and SPFIX.
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Drawdown Indicators
| BXMX | SPFIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.53% | -54.81% | +5.28% |
Max Drawdown (1Y)Largest decline over 1 year | -11.42% | -12.11% | +0.69% |
Max Drawdown (5Y)Largest decline over 5 years | -17.94% | -24.69% | +6.75% |
Max Drawdown (10Y)Largest decline over 10 years | -38.77% | -33.83% | -4.94% |
Current DrawdownCurrent decline from peak | -9.75% | -8.90% | -0.85% |
Average DrawdownAverage peak-to-trough decline | -5.69% | -8.99% | +3.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.58% | 2.50% | +0.08% |
Volatility
BXMX vs. SPFIX - Volatility Comparison
Nuveen S&P 500 Buy-Write Income Fund (BXMX) and Shelton Capital Management S&P 500 Index Fund (SPFIX) have volatilities of 4.26% and 4.22%, 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
| BXMX | SPFIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.26% | 4.22% | +0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 8.32% | 9.04% | -0.72% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.43% | 18.09% | -1.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.98% | 18.19% | -3.21% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.44% | 18.84% | -1.40% |