COBYX vs. RNWGX
Compare and contrast key facts about The Cook & Bynum Fund (COBYX) and American Funds New World Fund® Class R-6 (RNWGX).
COBYX is managed by Cook & Bynum. It was launched on Jun 30, 2009. RNWGX is managed by American Funds. It was launched on Aug 1, 2008.
Performance
COBYX vs. RNWGX - Performance Comparison
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COBYX vs. RNWGX - 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% |
RNWGX American Funds New World Fund® Class R-6 | -1.47% | 28.67% | 6.88% | 16.26% | -21.77% | 5.09% | 25.30% | 28.03% | -12.00% | 33.07% |
Returns By Period
In the year-to-date period, COBYX achieves a 3.01% return, which is significantly higher than RNWGX's -1.47% return. Over the past 10 years, COBYX has underperformed RNWGX with an annualized return of 3.93%, while RNWGX has yielded a comparatively higher 9.76% 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%
RNWGX
- 1D
- 2.62%
- 1M
- -8.56%
- YTD
- -1.47%
- 6M
- 2.11%
- 1Y
- 24.01%
- 3Y*
- 13.88%
- 5Y*
- 4.79%
- 10Y*
- 9.76%
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COBYX vs. RNWGX - Expense Ratio Comparison
COBYX has a 1.49% expense ratio, which is higher than RNWGX's 0.57% expense ratio.
Return for Risk
COBYX vs. RNWGX — Risk / Return Rank
COBYX
RNWGX
COBYX vs. RNWGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for The Cook & Bynum Fund (COBYX) and American Funds New World Fund® Class R-6 (RNWGX). 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 | RNWGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.62 | 1.59 | -0.97 |
Sortino ratioReturn per unit of downside risk | 0.92 | 2.19 | -1.28 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.32 | -0.18 |
Calmar ratioReturn relative to maximum drawdown | 1.05 | 1.83 | -0.78 |
Martin ratioReturn relative to average drawdown | 3.15 | 7.62 | -4.48 |
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 | RNWGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.62 | 1.59 | -0.97 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 0.32 | +0.24 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | 0.61 | -0.32 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.35 | 0.46 | -0.11 |
Correlation
The correlation between COBYX and RNWGX is 0.57, 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. RNWGX - Dividend Comparison
COBYX's dividend yield for the trailing twelve months is around 1.14%, less than RNWGX's 6.18% 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% |
RNWGX American Funds New World Fund® Class R-6 | 6.18% | 6.09% | 4.11% | 2.88% | 1.33% | 7.32% | 0.44% | 4.05% | 2.71% | 2.26% | 1.37% | 1.04% |
Drawdowns
COBYX vs. RNWGX - Drawdown Comparison
The maximum COBYX drawdown since its inception was -34.18%, roughly equal to the maximum RNWGX drawdown of -33.40%. Use the drawdown chart below to compare losses from any high point for COBYX and RNWGX.
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Drawdown Indicators
| COBYX | RNWGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.18% | -33.40% | -0.78% |
Max Drawdown (1Y)Largest decline over 1 year | -8.95% | -13.00% | +4.05% |
Max Drawdown (5Y)Largest decline over 5 years | -17.10% | -33.40% | +16.30% |
Max Drawdown (10Y)Largest decline over 10 years | -34.18% | -33.40% | -0.78% |
Current DrawdownCurrent decline from peak | -6.21% | -10.73% | +4.52% |
Average DrawdownAverage peak-to-trough decline | -6.86% | -8.12% | +1.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.99% | 3.13% | -0.14% |
Volatility
COBYX vs. RNWGX - Volatility Comparison
The current volatility for The Cook & Bynum Fund (COBYX) is 5.20%, while American Funds New World Fund® Class R-6 (RNWGX) has a volatility of 7.09%. This indicates that COBYX experiences smaller price fluctuations and is considered to be less risky than RNWGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COBYX | RNWGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.20% | 7.09% | -1.89% |
Volatility (6M)Calculated over the trailing 6-month period | 8.42% | 11.01% | -2.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.59% | 15.63% | -1.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.98% | 15.17% | -1.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.55% | 15.98% | -2.43% |