BST vs. BSTZ
Compare and contrast key facts about BlackRock Science and Technology Trust (BST) and BlackRock Science and Technology Trust II (BSTZ).
Performance
BST vs. BSTZ - Performance Comparison
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BST vs. BSTZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | -8.64% | 23.65% | 17.96% | 30.07% | -38.28% | -0.35% | 69.27% | 13.89% |
BSTZ BlackRock Science and Technology Trust II | 0.13% | 25.06% | 37.49% | 18.72% | -55.34% | 12.71% | 87.46% | 4.20% |
Fundamentals
BST:
$1.26B
BSTZ:
$1.52B
BST:
$15.06
BSTZ:
$8.53
BST:
2.41
BSTZ:
2.60
BST:
1.30
BSTZ:
0.29
BST:
4.53
BSTZ:
4.21
BST:
0.85
BSTZ:
0.89
BST:
$278.31M
BSTZ:
$361.49M
BST:
$423.37M
BSTZ:
$169.67M
BST:
$522.97M
BSTZ:
$586.67M
Returns By Period
In the year-to-date period, BST achieves a -8.64% return, which is significantly lower than BSTZ's 0.13% return.
BST
- 1D
- 3.50%
- 1M
- -8.97%
- YTD
- -8.64%
- 6M
- -6.04%
- 1Y
- 22.64%
- 3Y*
- 14.09%
- 5Y*
- 0.29%
- 10Y*
- 16.73%
BSTZ
- 1D
- 4.43%
- 1M
- -1.94%
- YTD
- 0.13%
- 6M
- 6.05%
- 1Y
- 41.49%
- 3Y*
- 18.36%
- 5Y*
- -0.08%
- 10Y*
- —
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Return for Risk
BST vs. BSTZ — Risk / Return Rank
BST
BSTZ
BST vs. BSTZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Trust (BST) and BlackRock Science and Technology Trust II (BSTZ). 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 | BSTZ | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.03 | 1.75 | -0.71 |
Sortino ratioReturn per unit of downside risk | 1.54 | 2.40 | -0.87 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.33 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | 1.36 | 3.36 | -2.00 |
Martin ratioReturn relative to average drawdown | 4.44 | 11.87 | -7.43 |
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 | BSTZ | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.03 | 1.75 | -0.71 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | -0.00 | +0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.66 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.55 | 0.36 | +0.18 |
Correlation
The correlation between BST and BSTZ is 0.75, 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
BST vs. BSTZ - Dividend Comparison
BST's dividend yield for the trailing twelve months is around 11.56%, less than BSTZ's 11.92% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BST BlackRock Science and Technology Trust | 11.56% | 10.36% | 8.21% | 8.91% | 10.57% | 5.38% | 3.85% | 10.52% | 6.41% | 4.80% | 6.69% | 6.93% |
BSTZ BlackRock Science and Technology Trust II | 11.92% | 12.46% | 9.75% | 10.90% | 14.73% | 5.14% | 3.42% | 2.44% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
BST vs. BSTZ - Drawdown Comparison
The maximum BST drawdown since its inception was -47.72%, smaller than the maximum BSTZ drawdown of -60.51%. Use the drawdown chart below to compare losses from any high point for BST and BSTZ.
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Drawdown Indicators
| BST | BSTZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.72% | -60.51% | +12.79% |
Max Drawdown (1Y)Largest decline over 1 year | -15.31% | -11.57% | -3.74% |
Max Drawdown (5Y)Largest decline over 5 years | -47.72% | -60.51% | +12.79% |
Max Drawdown (10Y)Largest decline over 10 years | -47.72% | — | — |
Current DrawdownCurrent decline from peak | -12.35% | -17.70% | +5.35% |
Average DrawdownAverage peak-to-trough decline | -13.14% | -28.15% | +15.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.70% | 3.28% | +1.42% |
Volatility
BST vs. BSTZ - Volatility Comparison
The current volatility for BlackRock Science and Technology Trust (BST) is 7.49%, while BlackRock Science and Technology Trust II (BSTZ) has a volatility of 10.14%. This indicates that BST experiences smaller price fluctuations and is considered to be less risky than BSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BST | BSTZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.49% | 10.14% | -2.65% |
Volatility (6M)Calculated over the trailing 6-month period | 13.67% | 16.03% | -2.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.03% | 23.94% | -1.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.46% | 27.17% | -3.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.59% | 30.09% | -4.50% |
Financials
BST vs. BSTZ - Financials Comparison
This section allows you to compare key financial metrics between BlackRock Science and Technology Trust and BlackRock Science and Technology Trust II. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities