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GBDC vs. VOO
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between GBDC and VOO is 0.39, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


Performance

GBDC vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Golub Capital BDC, Inc. (GBDC) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

200.00%300.00%400.00%500.00%600.00%December2025FebruaryMarchAprilMay
243.25%
569.79%
GBDC
VOO

Key characteristics

Sharpe Ratio

GBDC:

-0.43

VOO:

0.59

Sortino Ratio

GBDC:

-0.50

VOO:

0.94

Omega Ratio

GBDC:

0.94

VOO:

1.14

Calmar Ratio

GBDC:

-0.48

VOO:

0.60

Martin Ratio

GBDC:

-1.07

VOO:

2.34

Ulcer Index

GBDC:

7.60%

VOO:

4.80%

Daily Std Dev

GBDC:

18.70%

VOO:

19.10%

Max Drawdown

GBDC:

-48.15%

VOO:

-33.99%

Current Drawdown

GBDC:

-9.69%

VOO:

-8.16%

Returns By Period

The year-to-date returns for both investments are quite close, with GBDC having a -4.08% return and VOO slightly higher at -3.92%. Over the past 10 years, GBDC has underperformed VOO with an annualized return of 7.45%, while VOO has yielded a comparatively higher 12.27% annualized return.


GBDC

YTD

-4.08%

1M

5.98%

6M

-2.75%

1Y

-7.78%

5Y*

16.30%

10Y*

7.45%

VOO

YTD

-3.92%

1M

11.29%

6M

-4.41%

1Y

9.97%

5Y*

15.75%

10Y*

12.27%

*Annualized

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Risk-Adjusted Performance

GBDC vs. VOO — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

GBDC
The Risk-Adjusted Performance Rank of GBDC is 2424
Overall Rank
The Sharpe Ratio Rank of GBDC is 2727
Sharpe Ratio Rank
The Sortino Ratio Rank of GBDC is 2424
Sortino Ratio Rank
The Omega Ratio Rank of GBDC is 2424
Omega Ratio Rank
The Calmar Ratio Rank of GBDC is 2121
Calmar Ratio Rank
The Martin Ratio Rank of GBDC is 2525
Martin Ratio Rank

VOO
The Risk-Adjusted Performance Rank of VOO is 6363
Overall Rank
The Sharpe Ratio Rank of VOO is 6060
Sharpe Ratio Rank
The Sortino Ratio Rank of VOO is 6161
Sortino Ratio Rank
The Omega Ratio Rank of VOO is 6262
Omega Ratio Rank
The Calmar Ratio Rank of VOO is 6666
Calmar Ratio Rank
The Martin Ratio Rank of VOO is 6363
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

GBDC vs. VOO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Golub Capital BDC, Inc. (GBDC) and Vanguard S&P 500 ETF (VOO). 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.


The current GBDC Sharpe Ratio is -0.43, which is lower than the VOO Sharpe Ratio of 0.59. The chart below compares the historical Sharpe Ratios of GBDC and VOO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.00December2025FebruaryMarchAprilMay
-0.43
0.59
GBDC
VOO

Dividends

GBDC vs. VOO - Dividend Comparison

GBDC's dividend yield for the trailing twelve months is around 9.73%, more than VOO's 1.35% yield.


TTM20242023202220212020201920182017201620152014
GBDC
Golub Capital BDC, Inc.
9.73%12.14%10.00%9.35%7.58%8.37%5.91%8.49%7.47%8.32%7.70%7.14%
VOO
Vanguard S&P 500 ETF
1.35%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%1.85%

Drawdowns

GBDC vs. VOO - Drawdown Comparison

The maximum GBDC drawdown since its inception was -48.15%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for GBDC and VOO. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-9.69%
-8.16%
GBDC
VOO

Volatility

GBDC vs. VOO - Volatility Comparison

Golub Capital BDC, Inc. (GBDC) and Vanguard S&P 500 ETF (VOO) have volatilities of 10.77% and 11.23%, 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.


2.00%4.00%6.00%8.00%10.00%12.00%14.00%December2025FebruaryMarchAprilMay
10.77%
11.23%
GBDC
VOO