BST vs. ETY
Compare and contrast key facts about BlackRock Science and Technology Trust (BST) and Eaton Vance Tax Managed Diversified Equity Income Closed Fund (ETY).
ETY is an actively managed fund by Eaton Vance. It was launched on Nov 27, 2006.
Performance
BST vs. ETY - Performance Comparison
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BST vs. ETY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | -6.50% | 23.65% | 17.96% | 30.07% | -38.28% | -0.35% | 69.27% | 34.57% | 8.84% | 57.43% |
ETY Eaton Vance Tax Managed Diversified Equity Income Closed Fund | -7.42% | 11.02% | 33.11% | 21.83% | -21.21% | 32.61% | 7.27% | 33.68% | -8.96% | 28.72% |
Returns By Period
In the year-to-date period, BST achieves a -6.50% return, which is significantly higher than ETY's -7.42% return. Over the past 10 years, BST has outperformed ETY with an annualized return of 17.15%, while ETY has yielded a comparatively lower 11.71% annualized return.
BST
- 1D
- -0.40%
- 1M
- -6.38%
- YTD
- -6.50%
- 6M
- -5.09%
- 1Y
- 26.73%
- 3Y*
- 15.27%
- 5Y*
- 0.75%
- 10Y*
- 17.15%
ETY
- 1D
- 0.00%
- 1M
- -5.92%
- YTD
- -7.42%
- 6M
- -7.61%
- 1Y
- 9.22%
- 3Y*
- 15.35%
- 5Y*
- 10.29%
- 10Y*
- 11.71%
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Return for Risk
BST vs. ETY — Risk / Return Rank
BST
ETY
BST vs. ETY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Trust (BST) and Eaton Vance Tax Managed Diversified Equity Income Closed Fund (ETY). 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.
| BST | ETY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.01 | 0.26 | +0.75 |
Sortino ratioReturn per unit of downside risk | 1.52 | 0.53 | +0.98 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.08 | +0.14 |
Calmar ratioReturn relative to maximum drawdown | 1.54 | 0.40 | +1.14 |
Martin ratioReturn relative to average drawdown | 4.93 | 1.46 | +3.48 |
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
| BST | ETY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.01 | 0.26 | +0.75 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.03 | 0.58 | -0.55 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.67 | 0.59 | +0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 0.38 | +0.17 |
Correlation
The correlation between BST and ETY is 0.62, 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
BST vs. ETY - Dividend Comparison
BST's dividend yield for the trailing twelve months is around 11.29%, more than ETY's 8.55% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 11.29% | 10.36% | 8.21% | 8.91% | 10.57% | 5.38% | 3.85% | 10.52% | 6.41% | 4.80% | 6.69% | 6.93% |
ETY Eaton Vance Tax Managed Diversified Equity Income Closed Fund | 8.55% | 7.76% | 7.59% | 7.92% | 10.04% | 7.01% | 8.26% | 8.08% | 9.92% | 8.30% | 9.77% | 9.03% |
Drawdowns
BST vs. ETY - Drawdown Comparison
The maximum BST drawdown since its inception was -47.72%, smaller than the maximum ETY drawdown of -53.06%. Use the drawdown chart below to compare losses from any high point for BST and ETY.
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Drawdown Indicators
| BST | ETY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.72% | -53.06% | +5.34% |
Max Drawdown (1Y)Largest decline over 1 year | -15.31% | -14.40% | -0.91% |
Max Drawdown (5Y)Largest decline over 5 years | -47.72% | -24.06% | -23.66% |
Max Drawdown (10Y)Largest decline over 10 years | -47.72% | -42.46% | -5.26% |
Current DrawdownCurrent decline from peak | -10.30% | -9.46% | -0.84% |
Average DrawdownAverage peak-to-trough decline | -13.14% | -7.62% | -5.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.78% | 3.91% | +0.87% |
Volatility
BST vs. ETY - Volatility Comparison
BlackRock Science and Technology Trust (BST) has a higher volatility of 7.79% compared to Eaton Vance Tax Managed Diversified Equity Income Closed Fund (ETY) at 6.97%. This indicates that BST's price experiences larger fluctuations and is considered to be riskier than ETY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BST | ETY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.79% | 6.97% | +0.82% |
Volatility (6M)Calculated over the trailing 6-month period | 13.92% | 10.46% | +3.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.09% | 20.27% | +1.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.46% | 17.85% | +5.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.60% | 19.84% | +5.76% |