BOGSX vs. STK
Compare and contrast key facts about Black Oak Emerging Technology Fund (BOGSX) and Columbia Seligman Premium Technology Growth Closed Fund (STK).
BOGSX is managed by Oak Associates. It was launched on Dec 28, 2000. STK is an actively managed fund by Aberdeen. It was launched on Nov 25, 2009.
Performance
BOGSX vs. STK - Performance Comparison
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BOGSX vs. STK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BOGSX Black Oak Emerging Technology Fund | -1.72% | 19.06% | 9.25% | 17.79% | -27.30% | 26.89% | 45.16% | 38.20% | -4.94% | 19.05% |
STK Columbia Seligman Premium Technology Growth Closed Fund | 4.31% | 24.85% | 17.74% | 46.60% | -30.36% | 48.63% | 25.39% | 52.73% | -14.91% | 33.52% |
Returns By Period
In the year-to-date period, BOGSX achieves a -1.72% return, which is significantly lower than STK's 4.31% return. Over the past 10 years, BOGSX has underperformed STK with an annualized return of 13.86%, while STK has yielded a comparatively higher 19.03% annualized return.
BOGSX
- 1D
- -1.48%
- 1M
- -6.64%
- YTD
- -1.72%
- 6M
- -0.71%
- 1Y
- 24.96%
- 3Y*
- 10.34%
- 5Y*
- 5.28%
- 10Y*
- 13.86%
STK
- 1D
- 5.54%
- 1M
- -6.23%
- YTD
- 4.31%
- 6M
- 12.70%
- 1Y
- 46.63%
- 3Y*
- 22.64%
- 5Y*
- 14.46%
- 10Y*
- 19.03%
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BOGSX vs. STK - Expense Ratio Comparison
BOGSX has a 1.03% expense ratio, which is lower than STK's 1.26% expense ratio.
Return for Risk
BOGSX vs. STK — Risk / Return Rank
BOGSX
STK
BOGSX vs. STK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Black Oak Emerging Technology Fund (BOGSX) and Columbia Seligman Premium Technology Growth Closed Fund (STK). 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.
| BOGSX | STK | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.95 | 1.83 | -0.88 |
Sortino ratioReturn per unit of downside risk | 1.47 | 2.53 | -1.06 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.36 | -0.16 |
Calmar ratioReturn relative to maximum drawdown | 1.65 | 3.31 | -1.66 |
Martin ratioReturn relative to average drawdown | 5.85 | 12.25 | -6.40 |
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
| BOGSX | STK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.95 | 1.83 | -0.88 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.21 | 0.59 | -0.37 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.57 | 0.74 | -0.17 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.06 | 0.64 | -0.58 |
Correlation
The correlation between BOGSX and STK is 0.67, 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
BOGSX vs. STK - Dividend Comparison
BOGSX's dividend yield for the trailing twelve months is around 5.86%, less than STK's 7.16% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BOGSX Black Oak Emerging Technology Fund | 5.86% | 5.76% | 7.96% | 3.79% | 1.87% | 11.31% | 6.30% | 5.47% | 11.71% | 7.71% | 4.00% | 3.09% |
STK Columbia Seligman Premium Technology Growth Closed Fund | 7.16% | 7.38% | 16.02% | 6.70% | 12.62% | 8.48% | 6.79% | 7.86% | 14.88% | 11.82% | 9.87% | 10.32% |
Drawdowns
BOGSX vs. STK - Drawdown Comparison
The maximum BOGSX drawdown since its inception was -92.80%, which is greater than STK's maximum drawdown of -41.74%. Use the drawdown chart below to compare losses from any high point for BOGSX and STK.
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Drawdown Indicators
| BOGSX | STK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.80% | -41.74% | -51.06% |
Max Drawdown (1Y)Largest decline over 1 year | -12.77% | -13.59% | +0.82% |
Max Drawdown (5Y)Largest decline over 5 years | -33.93% | -36.27% | +2.34% |
Max Drawdown (10Y)Largest decline over 10 years | -33.93% | -41.74% | +7.81% |
Current DrawdownCurrent decline from peak | -10.20% | -7.51% | -2.69% |
Average DrawdownAverage peak-to-trough decline | -59.36% | -7.47% | -51.89% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.60% | 3.67% | -0.07% |
Volatility
BOGSX vs. STK - Volatility Comparison
The current volatility for Black Oak Emerging Technology Fund (BOGSX) is 7.10%, while Columbia Seligman Premium Technology Growth Closed Fund (STK) has a volatility of 9.65%. This indicates that BOGSX experiences smaller price fluctuations and is considered to be less risky than STK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BOGSX | STK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.10% | 9.65% | -2.55% |
Volatility (6M)Calculated over the trailing 6-month period | 16.64% | 17.90% | -1.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.96% | 25.65% | +0.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.14% | 24.83% | +0.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.44% | 25.91% | -1.47% |