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The Cook & Bynum Fund (COBYX)
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Fund Info

ISIN

US2130221060

CUSIP

213022106

Issuer

Cook & Bynum

Inception Date

Jun 30, 2009

Min. Investment

$5,000

Asset Class

Multi-Asset

Asset Class Size

Large-Cap

Asset Class Style

Growth

Expense Ratio

COBYX has a high expense ratio of 1.49%, indicating higher-than-average management fees.


Expense ratio chart for COBYX: current value at 1.49% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%1.49%

Share Price Chart


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Compare to other instruments

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in The Cook & Bynum Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


-10.00%-5.00%0.00%5.00%10.00%SeptemberOctoberNovemberDecember2025February
-2.58%
9.25%
COBYX (The Cook & Bynum Fund)
Benchmark (^GSPC)

Returns By Period

The Cook & Bynum Fund had a return of 10.08% year-to-date (YTD) and -2.12% in the last 12 months. Over the past 10 years, The Cook & Bynum Fund had an annualized return of 1.31%, while the S&P 500 had an annualized return of 11.26%, indicating that The Cook & Bynum Fund did not perform as well as the benchmark.


COBYX

YTD

10.08%

1M

9.41%

6M

-3.49%

1Y

-2.12%

5Y*

4.86%

10Y*

1.31%

^GSPC (Benchmark)

YTD

3.96%

1M

1.97%

6M

9.03%

1Y

22.16%

5Y*

12.60%

10Y*

11.26%

*Annualized

Monthly Returns

The table below presents the monthly returns of COBYX, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20253.32%10.08%
20242.79%-2.18%1.33%-3.99%6.70%-2.38%2.68%-3.25%0.54%-4.65%-3.44%-2.90%-9.03%
20235.89%-1.46%1.48%2.98%-1.93%5.18%1.00%0.12%-4.56%-2.91%7.92%2.63%16.74%
20220.08%2.80%2.13%-5.98%2.76%-8.51%1.79%-1.60%-3.18%11.10%6.43%2.60%9.28%
2021-3.15%2.00%7.04%4.43%2.05%-1.08%-2.10%1.18%-4.98%0.92%-2.44%5.55%9.05%
2020-2.22%-9.02%-15.24%1.81%1.59%-0.37%5.91%-0.78%-4.48%-0.09%12.71%1.39%-10.98%
20196.94%0.66%0.43%3.46%-6.20%3.49%1.58%-2.12%1.88%-2.62%-2.33%4.60%9.41%
20183.54%-3.53%-0.78%-1.57%-1.23%-0.68%2.13%-2.33%0.88%-8.09%3.25%-15.70%-22.97%
20170.61%1.48%4.64%1.71%1.31%0.37%2.08%-0.18%-0.66%2.06%-0.65%-0.20%13.18%
2016-0.20%0.40%5.04%-1.20%-0.06%2.18%-0.38%-0.50%-0.13%0.44%-2.14%-4.96%-1.80%
2015-3.27%2.19%-2.21%1.53%-0.59%-2.70%1.55%-3.13%-0.00%3.37%-0.33%0.33%-3.47%
2014-2.49%0.27%3.15%1.50%0.06%0.26%-0.26%2.82%-0.06%-0.31%2.81%-5.29%2.16%

Risk-Adjusted Performance

Risk-Adjusted Performance Rank

The current rank of COBYX is 4, meaning it’s performing worse than 96% of other mutual funds on our website when it comes to balancing risk and reward. Below is a breakdown of how it compares using common performance measures.


The Risk-Adjusted Performance Rank of COBYX is 44
Overall Rank
The Sharpe Ratio Rank of COBYX is 44
Sharpe Ratio Rank
The Sortino Ratio Rank of COBYX is 44
Sortino Ratio Rank
The Omega Ratio Rank of COBYX is 44
Omega Ratio Rank
The Calmar Ratio Rank of COBYX is 33
Calmar Ratio Rank
The Martin Ratio Rank of COBYX is 44
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.

Risk-Adjusted Performance Indicators

The charts below present risk-adjusted performance metrics for The Cook & Bynum Fund (COBYX) and compare them to a chosen benchmark (^GSPC). These indicators evaluate an investment's returns against its associated risks.


Sharpe ratio
The chart of Sharpe ratio for COBYX, currently valued at -0.10, compared to the broader market-1.000.001.002.003.004.005.00-0.101.83
The chart of Sortino ratio for COBYX, currently valued at -0.02, compared to the broader market0.002.004.006.008.0010.0012.00-0.022.47
The chart of Omega ratio for COBYX, currently valued at 1.00, compared to the broader market1.002.003.004.001.001.33
The chart of Calmar ratio for COBYX, currently valued at -0.11, compared to the broader market0.005.0010.0015.0020.00-0.112.76
The chart of Martin ratio for COBYX, currently valued at -0.24, compared to the broader market0.0020.0040.0060.0080.00-0.2411.27
COBYX
^GSPC

The current The Cook & Bynum Fund Sharpe ratio is -0.10. This value is calculated based on the past 1 year of trading data and takes into account price changes and dividends.

Use the chart below to compare the Sharpe ratio of The Cook & Bynum Fund with the selected benchmark, providing insights into the investment's historical performance in terms of risk-adjusted returns. Go to the Sharpe ratio tool for more fine-grained control over the calculation options.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.00SeptemberOctoberNovemberDecember2025February
-0.10
1.83
COBYX (The Cook & Bynum Fund)
Benchmark (^GSPC)

Dividends

Dividend History

The Cook & Bynum Fund provided a 1.32% dividend yield over the last twelve months, with an annual payout of $0.22 per share. The fund has been increasing its distributions for 2 consecutive years.


0.00%0.50%1.00%1.50%2.00%$0.00$0.05$0.10$0.15$0.20$0.25$0.3020172018201920202021202220232024
Dividends
Dividend Yield
PeriodTTM20242023202220212020201920182017
Dividend$0.22$0.22$0.17$0.17$0.29$0.04$0.10$0.03$0.03

Dividend yield

1.32%1.45%1.01%1.16%2.18%0.32%0.70%0.23%0.16%

Monthly Dividends

The table displays the monthly dividend distributions for The Cook & Bynum Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2025$0.00$0.00$0.00
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.22$0.22
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.17$0.17
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.17$0.17
2021$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.29$0.29
2020$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.04$0.04
2019$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.10$0.10
2018$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.03$0.03
2017$0.03$0.03

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


-15.00%-10.00%-5.00%0.00%SeptemberOctoberNovemberDecember2025February
-5.70%
-0.07%
COBYX (The Cook & Bynum Fund)
Benchmark (^GSPC)

Worst Drawdowns

The table below displays the maximum drawdowns of the The Cook & Bynum Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the The Cook & Bynum Fund was 41.46%, occurring on Mar 23, 2020. Recovery took 940 trading sessions.

The current The Cook & Bynum Fund drawdown is 5.70%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-41.46%Feb 2, 2018537Mar 23, 2020940Dec 14, 20231477
-15.09%Jul 18, 2024123Jan 13, 2025
-14.29%Dec 1, 2014185Aug 25, 2015445Jun 1, 2017630
-10.29%Apr 27, 201048Jul 2, 201087Nov 4, 2010135
-8.64%Oct 28, 201142Dec 28, 2011118Jun 18, 2012160

Volatility

Volatility Chart

The current The Cook & Bynum Fund volatility is 3.90%, representing the average percentage change in the investments's value, either up or down over the past month. The chart below shows the rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%12.00%SeptemberOctoberNovemberDecember2025February
3.90%
3.21%
COBYX (The Cook & Bynum Fund)
Benchmark (^GSPC)
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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