MAIN vs. BOXX
MAIN (Main Street Capital Corporation) is a stock, while BOXX (Alpha Architect 1-3 Month Box ETF) is Ultrashort Bond fund tracking the Solactive 1-3 Month US T-Bill Index. Over the past 3 years, MAIN returned 18.39%/yr vs 4.71%/yr for BOXX. At a correlation of -0.02, they often move in opposite directions.
Performance
MAIN vs. BOXX - Performance Comparison
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Returns By Period
In the year-to-date period, MAIN achieves a -14.27% return, which is significantly lower than BOXX's 1.71% return.
MAIN
- 1D
- -0.44%
- 1M
- 1.45%
- YTD
- -14.27%
- 6M
- -13.44%
- 1Y
- -8.49%
- 3Y*
- 18.39%
- 5Y*
- 11.80%
- 10Y*
- 12.54%
BOXX
- 1D
- 0.01%
- 1M
- 0.17%
- YTD
- 1.71%
- 6M
- 1.83%
- 1Y
- 3.96%
- 3Y*
- 4.71%
- 5Y*
- —
- 10Y*
- —
MAIN vs. BOXX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
MAIN Main Street Capital Corporation | -14.27% | 10.74% | 47.30% | 28.22% | 0.65% |
BOXX Alpha Architect 1-3 Month Box ETF | 1.71% | 4.37% | 5.16% | 5.04% | 0.07% |
Correlation
The correlation between MAIN and BOXX is -0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.07 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.01 |
Correlation (All Time) Calculated using the full available price history since Dec 28, 2022 | -0.02 |
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Return for Risk
MAIN vs. BOXX — Risk / Return Rank
MAIN
BOXX
MAIN vs. BOXX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Main Street Capital Corporation (MAIN) and Alpha Architect 1-3 Month Box ETF (BOXX). 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.
| MAIN | BOXX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -12.72 | ||
| Sortino ratioReturn per unit of downside risk | -35.25 | ||
| Omega ratioGain probability vs. loss probability | 0.96 | 8.67 | -7.71 |
| Calmar ratioReturn relative to maximum drawdown | -0.38 | 57.81 | -58.19 |
| Martin ratioReturn relative to average drawdown | -0.73 | 493.36 | -494.09 |
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Drawdowns
MAIN vs. BOXX - Drawdown Comparison
The maximum MAIN drawdown since its inception was -64.53%, which is greater than BOXX's maximum drawdown of -0.12%. Use the drawdown chart below to compare losses from any high point for MAIN and BOXX.
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Drawdown Indicators
| MAIN | BOXX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.53% | -0.12% | -64.41% |
Max Drawdown (1Y)Largest decline over 1 year | -22.43% | -0.07% | -22.36% |
Max Drawdown (3Y)Largest decline over 3 years | -22.43% | -0.12% | -22.31% |
Max Drawdown (5Y)Largest decline over 5 years | -27.06% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -64.53% | — | — |
Current DrawdownCurrent decline from peak | -21.31% | -0.01% | -21.30% |
Average DrawdownAverage peak-to-trough decline | -7.33% | -0.00% | -7.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.67% | 0.01% | +11.66% |
Volatility
MAIN vs. BOXX - Volatility Comparison
Main Street Capital Corporation (MAIN) has a higher volatility of 5.30% compared to Alpha Architect 1-3 Month Box ETF (BOXX) at 0.10%. This indicates that MAIN's price experiences larger fluctuations and is considered to be riskier than BOXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MAIN | BOXX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.30% | 0.10% | +5.20% |
Volatility (6M)Calculated over the trailing 6-month period | 20.14% | 0.26% | +19.88% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.90% | 0.32% | +24.58% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.55% | 0.37% | +21.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.32% | 0.37% | +26.95% |
Dividends
MAIN vs. BOXX - Dividend Comparison
MAIN's dividend yield for the trailing twelve months is around 8.61%, while BOXX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BOXX Alpha Architect 1-3 Month Box ETF | 0.00% | 0.00% | 0.26% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
MAIN Main Street Capital Corporation | 8.61% | 7.00% | 7.02% | 8.55% | 7.97% | 5.74% | 6.99% | 6.76% | 8.43% | 7.49% | 7.42% | 9.15% |
Frequently Asked Questions
MAIN and BOXX have a correlation of -0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MAIN has higher volatility (5.30%) compared to BOXX (0.10%). In terms of maximum drawdown, MAIN dropped -64.53% vs BOXX's -0.12%.
BOXX currently has the higher Sharpe Ratio (12.38 vs -0.34), 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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