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

Correlation

The correlation between GCBLX and VOO is 0.96, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.


Performance

GCBLX vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Green Century Balanced Fund (GCBLX) 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
210.86%
566.78%
GCBLX
VOO

Key characteristics

Sharpe Ratio

GCBLX:

0.54

VOO:

0.63

Sortino Ratio

GCBLX:

0.84

VOO:

1.00

Omega Ratio

GCBLX:

1.12

VOO:

1.15

Calmar Ratio

GCBLX:

0.48

VOO:

0.65

Martin Ratio

GCBLX:

1.76

VOO:

2.54

Ulcer Index

GCBLX:

3.59%

VOO:

4.78%

Daily Std Dev

GCBLX:

11.59%

VOO:

19.12%

Max Drawdown

GCBLX:

-64.30%

VOO:

-33.99%

Current Drawdown

GCBLX:

-5.07%

VOO:

-8.57%

Returns By Period

In the year-to-date period, GCBLX achieves a -1.17% return, which is significantly higher than VOO's -4.35% return. Over the past 10 years, GCBLX has underperformed VOO with an annualized return of 6.22%, while VOO has yielded a comparatively higher 12.23% annualized return.


GCBLX

YTD

-1.17%

1M

7.34%

6M

-2.03%

1Y

3.84%

5Y*

7.84%

10Y*

6.22%

VOO

YTD

-4.35%

1M

10.32%

6M

-2.47%

1Y

9.64%

5Y*

16.03%

10Y*

12.23%

*Annualized

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GCBLX vs. VOO - Expense Ratio Comparison

GCBLX has a 1.46% expense ratio, which is higher than VOO's 0.03% expense ratio.


Risk-Adjusted Performance

GCBLX vs. VOO — Risk-Adjusted Performance Rank

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

GCBLX
The Risk-Adjusted Performance Rank of GCBLX is 4949
Overall Rank
The Sharpe Ratio Rank of GCBLX is 4848
Sharpe Ratio Rank
The Sortino Ratio Rank of GCBLX is 4747
Sortino Ratio Rank
The Omega Ratio Rank of GCBLX is 4646
Omega Ratio Rank
The Calmar Ratio Rank of GCBLX is 5454
Calmar Ratio Rank
The Martin Ratio Rank of GCBLX is 4747
Martin Ratio Rank

VOO
The Risk-Adjusted Performance Rank of VOO is 6060
Overall Rank
The Sharpe Ratio Rank of VOO is 5757
Sharpe Ratio Rank
The Sortino Ratio Rank of VOO is 5858
Sortino Ratio Rank
The Omega Ratio Rank of VOO is 6161
Omega Ratio Rank
The Calmar Ratio Rank of VOO is 6363
Calmar Ratio Rank
The Martin Ratio Rank of VOO is 6161
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.

GCBLX vs. VOO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Green Century Balanced Fund (GCBLX) 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 GCBLX Sharpe Ratio is 0.54, which is comparable to the VOO Sharpe Ratio of 0.63. The chart below compares the historical Sharpe Ratios of GCBLX 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 Ratio0.001.002.003.00December2025FebruaryMarchAprilMay
0.49
0.63
GCBLX
VOO

Dividends

GCBLX vs. VOO - Dividend Comparison

GCBLX's dividend yield for the trailing twelve months is around 0.50%, less than VOO's 1.36% yield.


TTM20242023202220212020201920182017201620152014
GCBLX
Green Century Balanced Fund
0.50%0.49%0.48%0.14%0.00%0.23%0.35%0.32%0.11%0.12%0.00%0.36%
VOO
Vanguard S&P 500 ETF
1.36%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%1.85%

Drawdowns

GCBLX vs. VOO - Drawdown Comparison

The maximum GCBLX drawdown since its inception was -64.30%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for GCBLX and VOO. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-5.07%
-8.57%
GCBLX
VOO

Volatility

GCBLX vs. VOO - Volatility Comparison

The current volatility for Green Century Balanced Fund (GCBLX) is 6.54%, while Vanguard S&P 500 ETF (VOO) has a volatility of 11.27%. This indicates that GCBLX experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. 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
6.54%
11.27%
GCBLX
VOO