MAIN vs. BIV
MAIN (Main Street Capital Corporation) is a stock, while BIV (Vanguard Intermediate-Term Bond Index ETF) is Intermediate Core Bond fund tracking the Bloomberg U.S. 5–10 Year Government/Credit Float Adjusted Bond Index. Over the past 10 years, MAIN returned 13.19%/yr vs 1.89%/yr for BIV. At a correlation of -0.09, they often move in opposite directions.
Performance
MAIN vs. BIV - Performance Comparison
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Returns By Period
In the year-to-date period, MAIN achieves a -10.97% return, which is significantly lower than BIV's -0.06% return. Over the past 10 years, MAIN has outperformed BIV with an annualized return of 13.19%, while BIV has yielded a comparatively lower 1.89% annualized return.
MAIN
- 1D
- 0.54%
- 1M
- 2.49%
- YTD
- -10.97%
- 6M
- -12.92%
- 1Y
- -3.94%
- 3Y*
- 18.74%
- 5Y*
- 12.76%
- 10Y*
- 13.19%
BIV
- 1D
- -0.13%
- 1M
- 0.18%
- YTD
- -0.06%
- 6M
- 0.31%
- 1Y
- 4.29%
- 3Y*
- 4.62%
- 5Y*
- 0.16%
- 10Y*
- 1.89%
MAIN vs. BIV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MAIN Main Street Capital Corporation | -10.97% | 10.74% | 47.30% | 28.22% | -11.37% | 48.31% | -19.54% | 36.88% | -8.27% | 16.62% |
BIV Vanguard Intermediate-Term Bond Index ETF | -0.06% | 8.52% | 1.57% | 6.07% | -13.21% | -2.40% | 9.67% | 10.34% | -0.19% | 3.65% |
Correlation
The correlation between MAIN and BIV is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.09 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.03 |
Correlation (All Time) Calculated using the full available price history since Oct 9, 2007 | -0.09 |
The correlation between MAIN and BIV shifts across timeframes, from -0.09 (all time) to 0.14 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
MAIN vs. BIV — Risk / Return Rank
MAIN
BIV
MAIN vs. BIV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Main Street Capital Corporation (MAIN) and Vanguard Intermediate-Term Bond Index ETF (BIV). 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 | BIV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.23 | ||
| Sortino ratioReturn per unit of downside risk | -1.66 | ||
| Omega ratioGain probability vs. loss probability | 0.99 | 1.19 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | -0.18 | 1.36 | -1.53 |
| Martin ratioReturn relative to average drawdown | -0.35 | 3.90 | -4.26 |
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Drawdowns
MAIN vs. BIV - Drawdown Comparison
The maximum MAIN drawdown since its inception was -64.53%, which is greater than BIV's maximum drawdown of -18.95%. Use the drawdown chart below to compare losses from any high point for MAIN and BIV.
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Drawdown Indicators
| MAIN | BIV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.53% | -18.95% | -45.58% |
Max Drawdown (1Y)Largest decline over 1 year | -22.43% | -3.18% | -19.25% |
Max Drawdown (3Y)Largest decline over 3 years | -22.43% | -6.07% | -16.36% |
Max Drawdown (5Y)Largest decline over 5 years | -27.06% | -18.74% | -8.32% |
Max Drawdown (10Y)Largest decline over 10 years | -64.53% | -18.95% | -45.58% |
Current DrawdownCurrent decline from peak | -18.28% | -1.86% | -16.42% |
Average DrawdownAverage peak-to-trough decline | -7.31% | -3.39% | -3.92% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.18% | 1.10% | +10.08% |
Volatility
MAIN vs. BIV - Volatility Comparison
Main Street Capital Corporation (MAIN) has a higher volatility of 5.82% compared to Vanguard Intermediate-Term Bond Index ETF (BIV) at 1.45%. This indicates that MAIN's price experiences larger fluctuations and is considered to be riskier than BIV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MAIN | BIV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.82% | 1.45% | +4.37% |
Volatility (6M)Calculated over the trailing 6-month period | 20.12% | 2.98% | +17.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.84% | 4.03% | +20.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.57% | 6.41% | +15.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.30% | 5.51% | +21.79% |
Dividends
MAIN vs. BIV - Dividend Comparison
MAIN's dividend yield for the trailing twelve months is around 8.25%, more than BIV's 4.21% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIV Vanguard Intermediate-Term Bond Index ETF | 4.21% | 4.01% | 3.79% | 3.09% | 2.41% | 3.42% | 2.95% | 2.75% | 2.88% | 2.69% | 3.01% | 3.02% |
MAIN Main Street Capital Corporation | 8.25% | 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 BIV have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MAIN has higher volatility (5.82%) compared to BIV (1.45%). In terms of maximum drawdown, MAIN dropped -64.53% vs BIV's -18.95%.
BIV currently has the higher Sharpe Ratio (1.07 vs -0.16), 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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