STK vs. BOGSX
Compare and contrast key facts about Columbia Seligman Premium Technology Growth Closed Fund (STK) and Black Oak Emerging Technology Fund (BOGSX).
STK is an actively managed fund by Aberdeen. It was launched on Nov 25, 2009. BOGSX is managed by Oak Associates. It was launched on Dec 28, 2000.
Performance
STK vs. BOGSX - Performance Comparison
Loading graphics...
STK vs. BOGSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
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% |
Returns By Period
In the year-to-date period, STK achieves a 4.31% return, which is significantly higher than BOGSX's -1.72% return. Over the past 10 years, STK has outperformed BOGSX with an annualized return of 19.03%, while BOGSX has yielded a comparatively lower 13.86% annualized return.
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%
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%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
STK vs. BOGSX - Expense Ratio Comparison
STK has a 1.26% expense ratio, which is higher than BOGSX's 1.03% expense ratio.
Return for Risk
STK vs. BOGSX — Risk / Return Rank
STK
BOGSX
STK vs. BOGSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Seligman Premium Technology Growth Closed Fund (STK) and Black Oak Emerging Technology Fund (BOGSX). 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.
| STK | BOGSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.83 | 0.95 | +0.88 |
Sortino ratioReturn per unit of downside risk | 2.53 | 1.47 | +1.06 |
Omega ratioGain probability vs. loss probability | 1.36 | 1.20 | +0.16 |
Calmar ratioReturn relative to maximum drawdown | 3.31 | 1.65 | +1.66 |
Martin ratioReturn relative to average drawdown | 12.25 | 5.85 | +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. | |||
Loading graphics...
Sharpe Ratios by Period
| STK | BOGSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.83 | 0.95 | +0.88 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.59 | 0.21 | +0.37 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.74 | 0.57 | +0.17 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.64 | 0.06 | +0.58 |
Correlation
The correlation between STK and BOGSX 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
STK vs. BOGSX - Dividend Comparison
STK's dividend yield for the trailing twelve months is around 7.16%, more than BOGSX's 5.86% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
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% |
Drawdowns
STK vs. BOGSX - Drawdown Comparison
The maximum STK drawdown since its inception was -41.74%, smaller than the maximum BOGSX drawdown of -92.80%. Use the drawdown chart below to compare losses from any high point for STK and BOGSX.
Loading graphics...
Drawdown Indicators
| STK | BOGSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.74% | -92.80% | +51.06% |
Max Drawdown (1Y)Largest decline over 1 year | -13.59% | -12.77% | -0.82% |
Max Drawdown (5Y)Largest decline over 5 years | -36.27% | -33.93% | -2.34% |
Max Drawdown (10Y)Largest decline over 10 years | -41.74% | -33.93% | -7.81% |
Current DrawdownCurrent decline from peak | -7.51% | -10.20% | +2.69% |
Average DrawdownAverage peak-to-trough decline | -7.47% | -59.36% | +51.89% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.67% | 3.60% | +0.07% |
Volatility
STK vs. BOGSX - Volatility Comparison
Columbia Seligman Premium Technology Growth Closed Fund (STK) has a higher volatility of 9.65% compared to Black Oak Emerging Technology Fund (BOGSX) at 7.10%. This indicates that STK's price experiences larger fluctuations and is considered to be riskier than BOGSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| STK | BOGSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.65% | 7.10% | +2.55% |
Volatility (6M)Calculated over the trailing 6-month period | 17.90% | 16.64% | +1.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.65% | 25.96% | -0.31% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.83% | 25.14% | -0.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.91% | 24.44% | +1.47% |