BST vs. GAB
BST (BlackRock Science and Technology Trust) is a stock, while GAB (The Gabelli Equity Trust Inc) is Large Cap Value Equities fund managed by Gabelli Funds. Over the past 10 years, BST returned 20.10%/yr vs 11.17%/yr for GAB. At a 0.48 correlation, their price movements are largely independent.
Performance
BST vs. GAB - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BST achieves a 21.48% return, which is significantly higher than GAB's -5.00% return. Over the past 10 years, BST has outperformed GAB with an annualized return of 20.10%, while GAB has yielded a comparatively lower 11.17% annualized return.
BST
- 1D
- 2.64%
- 1M
- 6.02%
- YTD
- 21.48%
- 6M
- 27.08%
- 1Y
- 42.06%
- 3Y*
- 22.50%
- 5Y*
- 4.54%
- 10Y*
- 20.10%
GAB
- 1D
- 0.36%
- 1M
- 1.07%
- YTD
- -5.00%
- 6M
- -2.96%
- 1Y
- 7.76%
- 3Y*
- 10.78%
- 5Y*
- 5.48%
- 10Y*
- 11.17%
BST vs. GAB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 21.48% | 23.65% | 17.96% | 30.07% | -38.28% | -0.35% | 69.27% | 34.57% | 8.84% | 57.43% |
GAB The Gabelli Equity Trust Inc | -5.00% | 27.03% | 18.05% | 3.37% | -16.30% | 28.26% | 14.70% | 31.62% | -8.77% | 24.66% |
Correlation
The correlation between BST and GAB is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.37 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.42 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.48 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.47 |
Correlation (All Time) Calculated using the full available price history since Oct 29, 2014 | 0.48 |
The correlation between BST and GAB shifts across timeframes, from 0.37 (1 year) to 0.48 (all time), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BST vs. GAB — Risk / Return Rank
BST
GAB
BST vs. GAB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Trust (BST) and The Gabelli Equity Trust Inc (GAB). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BST | GAB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.64 | ||
| Sortino ratioReturn per unit of downside risk | +2.01 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.10 | +0.28 |
| Calmar ratioReturn relative to maximum drawdown | 2.76 | 0.60 | +2.16 |
| Martin ratioReturn relative to average drawdown | 8.87 | 1.55 | +7.32 |
Loading charts...
Drawdowns
BST vs. GAB - Drawdown Comparison
The maximum BST drawdown since its inception was -47.72%, smaller than the maximum GAB drawdown of -74.62%. Use the drawdown chart below to compare losses from any high point for BST and GAB.
Loading charts...
Drawdown Indicators
| BST | GAB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.72% | -74.62% | +26.90% |
Max Drawdown (1Y)Largest decline over 1 year | -15.31% | -12.90% | -2.41% |
Max Drawdown (3Y)Largest decline over 3 years | -23.37% | -19.63% | -3.74% |
Max Drawdown (5Y)Largest decline over 5 years | -47.72% | -26.60% | -21.12% |
Max Drawdown (10Y)Largest decline over 10 years | -47.72% | -46.92% | -0.80% |
Current DrawdownCurrent decline from peak | -4.13% | -7.84% | +3.71% |
Average DrawdownAverage peak-to-trough decline | -12.96% | -10.65% | -2.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.76% | 5.03% | -0.27% |
Volatility
BST vs. GAB - Volatility Comparison
BlackRock Science and Technology Trust (BST) has a higher volatility of 9.75% compared to The Gabelli Equity Trust Inc (GAB) at 3.16%. This indicates that BST's price experiences larger fluctuations and is considered to be riskier than GAB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BST | GAB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.75% | 3.16% | +6.59% |
Volatility (6M)Calculated over the trailing 6-month period | 16.86% | 11.67% | +5.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.44% | 14.66% | +4.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.81% | 18.27% | +5.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.83% | 21.92% | +3.91% |
Dividends
BST vs. GAB - Dividend Comparison
BST's dividend yield for the trailing twelve months is around 8.79%, less than GAB's 10.54% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 8.79% | 10.36% | 8.21% | 8.91% | 10.57% | 5.38% | 3.85% | 10.52% | 6.41% | 4.80% | 6.69% | 6.93% |
GAB The Gabelli Equity Trust Inc | 10.54% | 9.72% | 11.15% | 11.81% | 10.95% | 8.72% | 9.57% | 9.85% | 12.55% | 9.80% | 10.87% | 12.05% |
Frequently Asked Questions
BST and GAB have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BST has higher volatility (9.75%) compared to GAB (3.16%). In terms of maximum drawdown, BST dropped -47.72% vs GAB's -74.62%.
BST currently has the higher Sharpe Ratio (2.17 vs 0.53), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for BST and GAB
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer