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TARKX vs. COST
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between TARKX and COST is 0.41, 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.


-0.50.00.51.00.4

Performance

TARKX vs. COST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tarkio Fund (TARKX) and Costco Wholesale Corporation (COST). The values are adjusted to include any dividend payments, if applicable.

-10.00%0.00%10.00%20.00%30.00%AugustSeptemberOctoberNovemberDecember2025
13.07%
9.43%
TARKX
COST

Key characteristics

Sharpe Ratio

TARKX:

1.13

COST:

1.91

Sortino Ratio

TARKX:

1.74

COST:

2.47

Omega Ratio

TARKX:

1.21

COST:

1.34

Calmar Ratio

TARKX:

0.90

COST:

3.50

Martin Ratio

TARKX:

4.60

COST:

8.37

Ulcer Index

TARKX:

6.13%

COST:

4.29%

Daily Std Dev

TARKX:

24.85%

COST:

18.78%

Max Drawdown

TARKX:

-44.83%

COST:

-53.39%

Current Drawdown

TARKX:

-15.18%

COST:

-7.16%

Returns By Period

In the year-to-date period, TARKX achieves a 3.84% return, which is significantly higher than COST's 0.79% return. Over the past 10 years, TARKX has underperformed COST with an annualized return of 7.94%, while COST has yielded a comparatively higher 23.42% annualized return.


TARKX

YTD

3.84%

1M

-2.38%

6M

13.07%

1Y

29.27%

5Y*

7.82%

10Y*

7.94%

COST

YTD

0.79%

1M

-6.99%

6M

9.43%

1Y

36.30%

5Y*

27.08%

10Y*

23.42%

*Annualized

Compare stocks, funds, or ETFs

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


Risk-Adjusted Performance

TARKX vs. COST — Risk-Adjusted Performance Rank

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

TARKX
The Risk-Adjusted Performance Rank of TARKX is 6868
Overall Rank
The Sharpe Ratio Rank of TARKX is 6767
Sharpe Ratio Rank
The Sortino Ratio Rank of TARKX is 7272
Sortino Ratio Rank
The Omega Ratio Rank of TARKX is 6868
Omega Ratio Rank
The Calmar Ratio Rank of TARKX is 6868
Calmar Ratio Rank
The Martin Ratio Rank of TARKX is 6262
Martin Ratio Rank

COST
The Risk-Adjusted Performance Rank of COST is 9191
Overall Rank
The Sharpe Ratio Rank of COST is 9393
Sharpe Ratio Rank
The Sortino Ratio Rank of COST is 8888
Sortino Ratio Rank
The Omega Ratio Rank of COST is 8888
Omega Ratio Rank
The Calmar Ratio Rank of COST is 9696
Calmar Ratio Rank
The Martin Ratio Rank of COST is 9090
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.

TARKX vs. COST - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Tarkio Fund (TARKX) and Costco Wholesale Corporation (COST). 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.


Sharpe ratio
The chart of Sharpe ratio for TARKX, currently valued at 1.13, compared to the broader market-1.000.001.002.003.004.001.131.91
The chart of Sortino ratio for TARKX, currently valued at 1.74, compared to the broader market0.002.004.006.008.0010.001.742.47
The chart of Omega ratio for TARKX, currently valued at 1.21, compared to the broader market1.002.003.004.001.211.34
The chart of Calmar ratio for TARKX, currently valued at 0.90, compared to the broader market0.005.0010.0015.0020.000.903.50
The chart of Martin ratio for TARKX, currently valued at 4.60, compared to the broader market0.0020.0040.0060.0080.004.608.37
TARKX
COST

The current TARKX Sharpe Ratio is 1.13, which is lower than the COST Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of TARKX and COST, 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 Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
1.13
1.91
TARKX
COST

Dividends

TARKX vs. COST - Dividend Comparison

TARKX has not paid dividends to shareholders, while COST's dividend yield for the trailing twelve months is around 0.49%.


TTM20242023202220212020201920182017201620152014
TARKX
Tarkio Fund
0.00%0.00%0.00%0.25%0.14%0.50%0.18%0.68%0.16%0.04%0.00%0.00%
COST
Costco Wholesale Corporation
0.49%0.49%2.87%0.76%0.54%3.38%0.86%1.08%4.81%1.09%4.06%0.97%

Drawdowns

TARKX vs. COST - Drawdown Comparison

The maximum TARKX drawdown since its inception was -44.83%, smaller than the maximum COST drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for TARKX and COST. For additional features, visit the drawdowns tool.


-25.00%-20.00%-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-15.18%
-7.16%
TARKX
COST

Volatility

TARKX vs. COST - Volatility Comparison

Tarkio Fund (TARKX) has a higher volatility of 6.17% compared to Costco Wholesale Corporation (COST) at 4.27%. This indicates that TARKX's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


4.00%6.00%8.00%10.00%12.00%14.00%AugustSeptemberOctoberNovemberDecember2025
6.17%
4.27%
TARKX
COST
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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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