COBYX vs. DFESX
Compare and contrast key facts about The Cook & Bynum Fund (COBYX) and DFA Investment Dimensions Group Inc - Emerging Markets Social Core Equity Portfolio (DFESX).
COBYX is managed by Cook & Bynum. It was launched on Jun 30, 2009. DFESX is managed by T. Rowe Price. It was launched on Aug 30, 2006.
Performance
COBYX vs. DFESX - Performance Comparison
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COBYX vs. DFESX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COBYX The Cook & Bynum Fund | 3.01% | 20.50% | -10.32% | 16.73% | 9.28% | 9.05% | -10.97% | 9.40% | -13.40% | 15.12% |
DFESX DFA Investment Dimensions Group Inc - Emerging Markets Social Core Equity Portfolio | 2.39% | 29.95% | 7.16% | 14.58% | -18.49% | 4.16% | 12.99% | 17.12% | -14.87% | 37.30% |
Returns By Period
In the year-to-date period, COBYX achieves a 3.01% return, which is significantly higher than DFESX's 2.39% return. Over the past 10 years, COBYX has underperformed DFESX with an annualized return of 3.93%, while DFESX has yielded a comparatively higher 8.51% annualized return.
COBYX
- 1D
- 1.85%
- 1M
- -3.87%
- YTD
- 3.01%
- 6M
- 7.66%
- 1Y
- 7.10%
- 3Y*
- 7.06%
- 5Y*
- 7.72%
- 10Y*
- 3.93%
DFESX
- 1D
- 2.23%
- 1M
- -9.17%
- YTD
- 2.39%
- 6M
- 5.71%
- 1Y
- 30.36%
- 3Y*
- 15.56%
- 5Y*
- 5.36%
- 10Y*
- 8.51%
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COBYX vs. DFESX - Expense Ratio Comparison
COBYX has a 1.49% expense ratio, which is higher than DFESX's 0.45% expense ratio.
Return for Risk
COBYX vs. DFESX — Risk / Return Rank
COBYX
DFESX
COBYX vs. DFESX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for The Cook & Bynum Fund (COBYX) and DFA Investment Dimensions Group Inc - Emerging Markets Social Core Equity Portfolio (DFESX). 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.
| COBYX | DFESX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.62 | 2.00 | -1.38 |
Sortino ratioReturn per unit of downside risk | 0.92 | 2.56 | -1.64 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.38 | -0.25 |
Calmar ratioReturn relative to maximum drawdown | 1.05 | 2.22 | -1.17 |
Martin ratioReturn relative to average drawdown | 3.15 | 8.40 | -5.25 |
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
| COBYX | DFESX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.62 | 2.00 | -1.38 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 0.37 | +0.19 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | 0.54 | -0.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.35 | 0.39 | -0.04 |
Correlation
The correlation between COBYX and DFESX is 0.52, 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
COBYX vs. DFESX - Dividend Comparison
COBYX's dividend yield for the trailing twelve months is around 1.14%, less than DFESX's 2.68% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COBYX The Cook & Bynum Fund | 1.14% | 1.18% | 0.00% | 1.01% | 1.16% | 2.18% | 0.32% | 0.69% | 12.60% | 1.88% | 5.09% | 0.00% |
DFESX DFA Investment Dimensions Group Inc - Emerging Markets Social Core Equity Portfolio | 2.68% | 2.59% | 3.15% | 3.23% | 3.17% | 2.37% | 1.64% | 2.33% | 2.37% | 2.04% | 2.05% | 2.17% |
Drawdowns
COBYX vs. DFESX - Drawdown Comparison
The maximum COBYX drawdown since its inception was -34.18%, smaller than the maximum DFESX drawdown of -41.43%. Use the drawdown chart below to compare losses from any high point for COBYX and DFESX.
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Drawdown Indicators
| COBYX | DFESX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.18% | -41.43% | +7.25% |
Max Drawdown (1Y)Largest decline over 1 year | -8.95% | -12.79% | +3.84% |
Max Drawdown (5Y)Largest decline over 5 years | -17.10% | -32.64% | +15.54% |
Max Drawdown (10Y)Largest decline over 10 years | -34.18% | -41.43% | +7.25% |
Current DrawdownCurrent decline from peak | -6.21% | -10.85% | +4.64% |
Average DrawdownAverage peak-to-trough decline | -6.86% | -10.87% | +4.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.99% | 3.38% | -0.39% |
Volatility
COBYX vs. DFESX - Volatility Comparison
The current volatility for The Cook & Bynum Fund (COBYX) is 5.20%, while DFA Investment Dimensions Group Inc - Emerging Markets Social Core Equity Portfolio (DFESX) has a volatility of 8.36%. This indicates that COBYX experiences smaller price fluctuations and is considered to be less risky than DFESX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COBYX | DFESX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.20% | 8.36% | -3.16% |
Volatility (6M)Calculated over the trailing 6-month period | 8.42% | 11.59% | -3.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.59% | 15.86% | -1.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.98% | 14.62% | -0.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.55% | 15.88% | -2.33% |