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GBDC vs. MAIN
Performance
Return for Risk
Dividends
Drawdowns
Volatility
Financials

Performance

GBDC vs. MAIN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Golub Capital BDC, Inc. (GBDC) and Main Street Capital Corporation (MAIN). The values are adjusted to include any dividend payments, if applicable.

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GBDC vs. MAIN - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
GBDC
Golub Capital BDC, Inc.
-5.31%-0.50%13.57%27.69%-6.99%17.78%-14.73%21.09%-2.20%6.27%
MAIN
Main Street Capital Corporation
-12.44%10.74%47.30%28.22%-11.37%48.31%-19.54%36.88%-8.27%16.62%

Fundamentals

Market Cap

GBDC:

$3.30B

MAIN:

$4.66B

EPS

GBDC:

$1.36

MAIN:

$5.14

PE Ratio

GBDC:

9.20

MAIN:

10.10

PEG Ratio

GBDC:

5.17

MAIN:

4.87

PS Ratio

GBDC:

4.69

MAIN:

8.20

PB Ratio

GBDC:

0.84

MAIN:

1.56

Total Revenue (TTM)

GBDC:

$708.34M

MAIN:

$566.39M

Gross Profit (TTM)

GBDC:

$510.52M

MAIN:

$435.68M

EBITDA (TTM)

GBDC:

$338.37M

MAIN:

$383.65M

Returns By Period

In the year-to-date period, GBDC achieves a -5.31% return, which is significantly higher than MAIN's -12.44% return. Over the past 10 years, GBDC has underperformed MAIN with an annualized return of 6.13%, while MAIN has yielded a comparatively higher 13.53% annualized return.


GBDC

1D
-1.26%
1M
4.64%
YTD
-5.31%
6M
-2.21%
1Y
-8.43%
3Y*
8.99%
5Y*
6.61%
10Y*
6.13%

MAIN

1D
-1.98%
1M
-9.02%
YTD
-12.44%
6M
-14.34%
1Y
-3.34%
3Y*
18.84%
5Y*
13.74%
10Y*
13.53%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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Return for Risk

GBDC vs. MAIN — Risk / Return Rank

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

GBDC
GBDC Risk / Return Rank: 2323
Overall Rank
GBDC Sharpe Ratio Rank: 2323
Sharpe Ratio Rank
GBDC Sortino Ratio Rank: 2020
Sortino Ratio Rank
GBDC Omega Ratio Rank: 2121
Omega Ratio Rank
GBDC Calmar Ratio Rank: 2727
Calmar Ratio Rank
GBDC Martin Ratio Rank: 2424
Martin Ratio Rank

MAIN
MAIN Risk / Return Rank: 3333
Overall Rank
MAIN Sharpe Ratio Rank: 3434
Sharpe Ratio Rank
MAIN Sortino Ratio Rank: 2828
Sortino Ratio Rank
MAIN Omega Ratio Rank: 2828
Omega Ratio Rank
MAIN Calmar Ratio Rank: 3838
Calmar Ratio Rank
MAIN Martin Ratio Rank: 3838
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

GBDC vs. MAIN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Golub Capital BDC, Inc. (GBDC) and Main Street Capital Corporation (MAIN). 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.


GBDCMAINDifference

Sharpe ratio

Return per unit of total volatility

-0.39

-0.13

-0.26

Sortino ratio

Return per unit of downside risk

-0.42

-0.02

-0.40

Omega ratio

Gain probability vs. loss probability

0.95

1.00

-0.05

Calmar ratio

Return relative to maximum drawdown

-0.44

-0.07

-0.37

Martin ratio

Return relative to average drawdown

-0.98

-0.16

-0.82

GBDC vs. MAIN - Sharpe Ratio Comparison

The current GBDC Sharpe Ratio is -0.39, which is lower than the MAIN Sharpe Ratio of -0.13. The chart below compares the historical Sharpe Ratios of GBDC and MAIN, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


GBDCMAINDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

-0.39

-0.13

-0.26

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.39

0.66

-0.27

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.29

0.50

-0.22

Sharpe Ratio (All Time)

Calculated using the full available price history

0.38

0.56

-0.18

Correlation

The correlation between GBDC and MAIN is 0.46, 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

GBDC vs. MAIN - Dividend Comparison

GBDC's dividend yield for the trailing twelve months is around 12.00%, more than MAIN's 8.21% yield.


TTM20252024202320222021202020192018201720162015
GBDC
Golub Capital BDC, Inc.
12.00%11.50%12.73%10.00%9.35%7.58%8.44%7.70%8.49%7.47%8.32%7.70%
MAIN
Main Street Capital Corporation
8.21%7.00%7.02%8.55%7.97%5.74%6.99%6.76%8.43%7.49%7.42%9.15%

Drawdowns

GBDC vs. MAIN - Drawdown Comparison

The maximum GBDC drawdown since its inception was -47.30%, smaller than the maximum MAIN drawdown of -64.53%. Use the drawdown chart below to compare losses from any high point for GBDC and MAIN.


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Drawdown Indicators


GBDCMAINDifference

Max Drawdown

Largest peak-to-trough decline

-47.30%

-64.53%

+17.23%

Max Drawdown (1Y)

Largest decline over 1 year

-18.20%

-20.22%

+2.02%

Max Drawdown (5Y)

Largest decline over 5 years

-19.28%

-27.06%

+7.78%

Max Drawdown (10Y)

Largest decline over 10 years

-47.30%

-64.53%

+17.23%

Current Drawdown

Current decline from peak

-12.34%

-19.63%

+7.29%

Average Drawdown

Average peak-to-trough decline

-6.12%

-7.20%

+1.08%

Ulcer Index

Depth and duration of drawdowns from previous peaks

8.20%

8.51%

-0.31%

Volatility

GBDC vs. MAIN - Volatility Comparison

Golub Capital BDC, Inc. (GBDC) and Main Street Capital Corporation (MAIN) have volatilities of 7.20% and 7.39%, 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


GBDCMAINDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.20%

7.39%

-0.19%

Volatility (6M)

Calculated over the trailing 6-month period

14.63%

17.70%

-3.07%

Volatility (1Y)

Calculated over the trailing 1-year period

21.59%

25.03%

-3.44%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.86%

20.92%

-4.06%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

21.39%

26.94%

-5.55%

Financials

GBDC vs. MAIN - Financials Comparison

This section allows you to compare key financial metrics between Golub Capital BDC, Inc. and Main Street Capital Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.


Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities


50.00M100.00M150.00M200.00MAprilJulyOctober2022AprilJulyOctober2023AprilJulyOctober2024AprilJulyOctober2025AprilJulyOctober
203.49M
34.55M
(GBDC) Total Revenue
(MAIN) Total Revenue
Values in USD except per share items