GBDC vs. SOXX
GBDC (Golub Capital BDC, Inc.) is a stock, while SOXX (iShares Semiconductor ETF) is Semiconductors fund tracking the NYSE Semiconductor Index. Over the past 10 years, GBDC returned 6.58%/yr vs 35.54%/yr for SOXX. At a 0.28 correlation, their price movements are largely independent.
Performance
GBDC vs. SOXX - Performance Comparison
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Returns By Period
In the year-to-date period, GBDC achieves a -0.08% return, which is significantly lower than SOXX's 100.26% return. Over the past 10 years, GBDC has underperformed SOXX with an annualized return of 6.58%, while SOXX has yielded a comparatively higher 35.54% annualized return.
GBDC
- 1D
- 2.25%
- 1M
- -1.57%
- YTD
- -0.08%
- 6M
- -1.96%
- 1Y
- -2.02%
- 3Y*
- 10.72%
- 5Y*
- 6.41%
- 10Y*
- 6.58%
SOXX
- 1D
- -2.10%
- 1M
- 24.86%
- YTD
- 100.26%
- 6M
- 97.20%
- 1Y
- 179.78%
- 3Y*
- 57.09%
- 5Y*
- 33.93%
- 10Y*
- 35.54%
GBDC vs. SOXX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GBDC Golub Capital BDC, Inc. | -0.08% | -0.50% | 13.57% | 27.69% | -6.99% | 17.78% | -14.73% | 21.09% | -2.20% | 6.27% |
SOXX iShares Semiconductor ETF | 100.26% | 40.74% | 12.92% | 67.12% | -35.09% | 44.09% | 52.72% | 62.42% | -6.49% | 39.79% |
Correlation
The correlation between GBDC and SOXX is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.24 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.30 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.26 |
Correlation (All Time) Calculated using the full available price history since Apr 16, 2010 | 0.28 |
The correlation between GBDC and SOXX shifts across timeframes, from 0.16 (1 year) to 0.30 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
GBDC vs. SOXX — Risk / Return Rank
GBDC
SOXX
GBDC vs. SOXX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Golub Capital BDC, Inc. (GBDC) and iShares Semiconductor ETF (SOXX). 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.
| GBDC | SOXX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -5.40 | ||
| Sortino ratioReturn per unit of downside risk | -5.18 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.71 | -0.71 |
| Calmar ratioReturn relative to maximum drawdown | -0.11 | 11.48 | -11.59 |
| Martin ratioReturn relative to average drawdown | -0.24 | 43.90 | -44.14 |
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
| GBDC | SOXX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.11 | 5.29 | -5.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.37 | 0.94 | -0.57 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.31 | 1.07 | -0.76 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.39 | 0.44 | -0.05 |
Drawdowns
GBDC vs. SOXX - Drawdown Comparison
The maximum GBDC drawdown since its inception was -47.30%, smaller than the maximum SOXX drawdown of -70.21%. Use the drawdown chart below to compare losses from any high point for GBDC and SOXX.
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Drawdown Indicators
| GBDC | SOXX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.30% | -70.21% | +22.91% |
Max Drawdown (1Y)Largest decline over 1 year | -18.20% | -15.77% | -2.43% |
Max Drawdown (3Y)Largest decline over 3 years | -18.20% | -41.36% | +23.16% |
Max Drawdown (5Y)Largest decline over 5 years | -19.28% | -45.75% | +26.47% |
Max Drawdown (10Y)Largest decline over 10 years | -47.30% | -45.75% | -1.55% |
Current DrawdownCurrent decline from peak | -7.50% | -2.10% | -5.40% |
Average DrawdownAverage peak-to-trough decline | -6.13% | -19.97% | +13.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.48% | 4.11% | +4.37% |
Volatility
GBDC vs. SOXX - Volatility Comparison
The current volatility for Golub Capital BDC, Inc. (GBDC) is 5.95%, while iShares Semiconductor ETF (SOXX) has a volatility of 14.08%. This indicates that GBDC experiences smaller price fluctuations and is considered to be less risky than SOXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GBDC | SOXX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.95% | 14.08% | -8.13% |
Volatility (6M)Calculated over the trailing 6-month period | 15.78% | 27.45% | -11.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.09% | 34.20% | -15.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.20% | 36.11% | -18.91% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.55% | 33.43% | -11.88% |
Dividends
GBDC vs. SOXX - Dividend Comparison
GBDC's dividend yield for the trailing twelve months is around 11.37%, more than SOXX's 0.28% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GBDC Golub Capital BDC, Inc. | 11.37% | 11.50% | 12.73% | 10.00% | 9.35% | 7.58% | 8.44% | 7.70% | 8.49% | 7.47% | 8.32% | 7.70% |
SOXX iShares Semiconductor ETF | 0.28% | 0.57% | 0.67% | 0.78% | 1.26% | 0.64% | 0.81% | 1.23% | 1.37% | 0.90% | 1.08% | 1.29% |
Frequently Asked Questions
GBDC and SOXX have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SOXX has higher volatility (14.08%) compared to GBDC (5.95%). In terms of maximum drawdown, GBDC dropped -47.30% vs SOXX's -70.21%.
SOXX currently has the higher Sharpe Ratio (5.29 vs -0.11), 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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