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SPFFX vs. DFSIX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between SPFFX and DFSIX is 0.98, 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.


-0.50.00.51.0
Correlation: 1.0

Performance

SPFFX vs. DFSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sphere 500 Fossil Free Fund (SPFFX) and DFA U.S. Sustainability Core 1 Portfolio (DFSIX). The values are adjusted to include any dividend payments, if applicable.

15.00%20.00%25.00%30.00%35.00%40.00%45.00%50.00%December2025FebruaryMarchAprilMay
33.85%
29.59%
SPFFX
DFSIX

Key characteristics

Sharpe Ratio

SPFFX:

0.55

DFSIX:

0.42

Sortino Ratio

SPFFX:

0.89

DFSIX:

0.73

Omega Ratio

SPFFX:

1.13

DFSIX:

1.10

Calmar Ratio

SPFFX:

0.55

DFSIX:

0.42

Martin Ratio

SPFFX:

2.12

DFSIX:

1.60

Ulcer Index

SPFFX:

5.20%

DFSIX:

5.27%

Daily Std Dev

SPFFX:

20.09%

DFSIX:

20.02%

Max Drawdown

SPFFX:

-25.11%

DFSIX:

-53.65%

Current Drawdown

SPFFX:

-9.64%

DFSIX:

-10.45%

Returns By Period

In the year-to-date period, SPFFX achieves a -4.89% return, which is significantly higher than DFSIX's -6.04% return.


SPFFX

YTD

-4.89%

1M

-0.11%

6M

-0.36%

1Y

13.25%

5Y*

N/A

10Y*

N/A

DFSIX

YTD

-6.04%

1M

-1.16%

6M

-3.23%

1Y

10.59%

5Y*

16.41%

10Y*

11.01%

*Annualized

Compare stocks, funds, or ETFs

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SPFFX vs. DFSIX - Expense Ratio Comparison

SPFFX has a 0.11% expense ratio, which is lower than DFSIX's 0.18% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


Expense ratio chart for DFSIX: current value is 0.18%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
DFSIX: 0.18%
Expense ratio chart for SPFFX: current value is 0.11%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
SPFFX: 0.11%

Risk-Adjusted Performance

SPFFX vs. DFSIX — Risk-Adjusted Performance Rank

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

SPFFX
The Risk-Adjusted Performance Rank of SPFFX is 6161
Overall Rank
The Sharpe Ratio Rank of SPFFX is 5858
Sharpe Ratio Rank
The Sortino Ratio Rank of SPFFX is 6060
Sortino Ratio Rank
The Omega Ratio Rank of SPFFX is 6161
Omega Ratio Rank
The Calmar Ratio Rank of SPFFX is 6767
Calmar Ratio Rank
The Martin Ratio Rank of SPFFX is 5959
Martin Ratio Rank

DFSIX
The Risk-Adjusted Performance Rank of DFSIX is 5050
Overall Rank
The Sharpe Ratio Rank of DFSIX is 4747
Sharpe Ratio Rank
The Sortino Ratio Rank of DFSIX is 5050
Sortino Ratio Rank
The Omega Ratio Rank of DFSIX is 5050
Omega Ratio Rank
The Calmar Ratio Rank of DFSIX is 5454
Calmar Ratio Rank
The Martin Ratio Rank of DFSIX is 5050
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.

SPFFX vs. DFSIX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Sphere 500 Fossil Free Fund (SPFFX) and DFA U.S. Sustainability Core 1 Portfolio (DFSIX). 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 chart of Sharpe ratio for SPFFX, currently valued at 0.55, compared to the broader market-1.000.001.002.003.00
SPFFX: 0.55
DFSIX: 0.42
The chart of Sortino ratio for SPFFX, currently valued at 0.89, compared to the broader market-2.000.002.004.006.008.00
SPFFX: 0.89
DFSIX: 0.73
The chart of Omega ratio for SPFFX, currently valued at 1.13, compared to the broader market0.501.001.502.002.503.00
SPFFX: 1.13
DFSIX: 1.10
The chart of Calmar ratio for SPFFX, currently valued at 0.55, compared to the broader market0.002.004.006.008.0010.00
SPFFX: 0.55
DFSIX: 0.42
The chart of Martin ratio for SPFFX, currently valued at 2.12, compared to the broader market0.0010.0020.0030.0040.00
SPFFX: 2.12
DFSIX: 1.60

The current SPFFX Sharpe Ratio is 0.55, which is higher than the DFSIX Sharpe Ratio of 0.42. The chart below compares the historical Sharpe Ratios of SPFFX and DFSIX, 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
0.55
0.42
SPFFX
DFSIX

Dividends

SPFFX vs. DFSIX - Dividend Comparison

SPFFX's dividend yield for the trailing twelve months is around 0.63%, less than DFSIX's 1.05% yield.


TTM20242023202220212020201920182017201620152014
SPFFX
Sphere 500 Fossil Free Fund
0.63%0.60%1.32%0.73%0.06%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
DFSIX
DFA U.S. Sustainability Core 1 Portfolio
1.05%0.99%1.21%1.35%0.95%1.19%1.18%1.34%1.43%1.49%1.55%1.36%

Drawdowns

SPFFX vs. DFSIX - Drawdown Comparison

The maximum SPFFX drawdown since its inception was -25.11%, smaller than the maximum DFSIX drawdown of -53.65%. Use the drawdown chart below to compare losses from any high point for SPFFX and DFSIX. For additional features, visit the drawdowns tool.


-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-9.64%
-10.45%
SPFFX
DFSIX

Volatility

SPFFX vs. DFSIX - Volatility Comparison

Sphere 500 Fossil Free Fund (SPFFX) and DFA U.S. Sustainability Core 1 Portfolio (DFSIX) have volatilities of 14.44% and 14.23%, 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
14.44%
14.23%
SPFFX
DFSIX