TARKX vs. VIMAX
Compare and contrast key facts about Tarkio Fund (TARKX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX).
TARKX is managed by Clark Fork Trust. It was launched on Jun 28, 2011. VIMAX is managed by Vanguard. It was launched on Nov 12, 2001.
Performance
TARKX vs. VIMAX - Performance Comparison
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TARKX vs. VIMAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TARKX Tarkio Fund | -2.08% | 30.18% | 21.72% | 26.33% | -30.39% | 24.41% | 27.00% | 29.54% | -23.30% | 29.04% |
VIMAX Vanguard Mid-Cap Index Fund Admiral Shares | -2.80% | 11.67% | 14.66% | 16.53% | -18.70% | 24.51% | 18.18% | 31.03% | -9.24% | 19.26% |
Returns By Period
In the year-to-date period, TARKX achieves a -2.08% return, which is significantly higher than VIMAX's -2.80% return. Over the past 10 years, TARKX has outperformed VIMAX with an annualized return of 12.83%, while VIMAX has yielded a comparatively lower 10.42% annualized return.
TARKX
- 1D
- -3.29%
- 1M
- -15.81%
- YTD
- -2.08%
- 6M
- 7.21%
- 1Y
- 42.13%
- 3Y*
- 19.68%
- 5Y*
- 7.00%
- 10Y*
- 12.83%
VIMAX
- 1D
- -0.66%
- 1M
- -7.87%
- YTD
- -2.80%
- 6M
- -3.59%
- 1Y
- 10.30%
- 3Y*
- 11.78%
- 5Y*
- 6.50%
- 10Y*
- 10.42%
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TARKX vs. VIMAX - Expense Ratio Comparison
TARKX has a 1.00% expense ratio, which is higher than VIMAX's 0.05% expense ratio.
Return for Risk
TARKX vs. VIMAX — Risk / Return Rank
TARKX
VIMAX
TARKX vs. VIMAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tarkio Fund (TARKX) and Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX). 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.
| TARKX | VIMAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.30 | 0.63 | +0.68 |
Sortino ratioReturn per unit of downside risk | 1.86 | 0.99 | +0.87 |
Omega ratioGain probability vs. loss probability | 1.26 | 1.14 | +0.11 |
Calmar ratioReturn relative to maximum drawdown | 2.15 | 0.73 | +1.42 |
Martin ratioReturn relative to average drawdown | 7.17 | 3.39 | +3.78 |
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
| TARKX | VIMAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.30 | 0.63 | +0.68 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | 0.37 | -0.36 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.03 | 0.55 | -0.52 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.04 | 0.48 | -0.44 |
Correlation
The correlation between TARKX and VIMAX is 0.86, 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.
Dividends
TARKX vs. VIMAX - Dividend Comparison
TARKX's dividend yield for the trailing twelve months is around 5.62%, more than VIMAX's 1.53% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TARKX Tarkio Fund | 5.62% | 5.50% | 1.51% | 2.98% | 10.62% | 1.40% | 0.50% | 5.21% | 3.34% | 1.70% | 0.47% | 0.36% |
VIMAX Vanguard Mid-Cap Index Fund Admiral Shares | 1.53% | 1.51% | 1.48% | 1.50% | 1.59% | 1.11% | 1.44% | 1.47% | 1.82% | 1.35% | 1.45% | 1.47% |
Drawdowns
TARKX vs. VIMAX - Drawdown Comparison
The maximum TARKX drawdown since its inception was -95.09%, which is greater than VIMAX's maximum drawdown of -58.88%. Use the drawdown chart below to compare losses from any high point for TARKX and VIMAX.
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Drawdown Indicators
| TARKX | VIMAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -95.09% | -58.88% | -36.21% |
Max Drawdown (1Y)Largest decline over 1 year | -17.33% | -12.77% | -4.56% |
Max Drawdown (5Y)Largest decline over 5 years | -95.09% | -27.55% | -67.54% |
Max Drawdown (10Y)Largest decline over 10 years | -95.09% | -39.30% | -55.79% |
Current DrawdownCurrent decline from peak | -91.77% | -8.13% | -83.64% |
Average DrawdownAverage peak-to-trough decline | -17.00% | -8.17% | -8.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.19% | 2.75% | +2.44% |
Volatility
TARKX vs. VIMAX - Volatility Comparison
Tarkio Fund (TARKX) has a higher volatility of 10.30% compared to Vanguard Mid-Cap Index Fund Admiral Shares (VIMAX) at 4.23%. This indicates that TARKX's price experiences larger fluctuations and is considered to be riskier than VIMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TARKX | VIMAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.30% | 4.23% | +6.07% |
Volatility (6M)Calculated over the trailing 6-month period | 21.30% | 9.43% | +11.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.90% | 17.58% | +14.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 600.49% | 17.63% | +582.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 424.89% | 18.90% | +405.99% |