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BST vs. BSTZ
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility
Financials

Correlation

The correlation between BST and BSTZ is 0.71, 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.


-0.50.00.51.0
Correlation: 0.7

Performance

BST vs. BSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Science and Technology Trust (BST) and BlackRock Science and Technology Trust II (BSTZ). The values are adjusted to include any dividend payments, if applicable.

30.00%40.00%50.00%60.00%70.00%80.00%90.00%December2025FebruaryMarchAprilMay
70.90%
53.39%
BST
BSTZ

Key characteristics

Sharpe Ratio

BST:

0.32

BSTZ:

0.76

Sortino Ratio

BST:

0.59

BSTZ:

1.18

Omega Ratio

BST:

1.08

BSTZ:

1.15

Calmar Ratio

BST:

0.25

BSTZ:

0.43

Martin Ratio

BST:

0.99

BSTZ:

2.40

Ulcer Index

BST:

7.83%

BSTZ:

8.41%

Daily Std Dev

BST:

24.49%

BSTZ:

26.76%

Max Drawdown

BST:

-46.58%

BSTZ:

-59.31%

Current Drawdown

BST:

-19.31%

BSTZ:

-37.20%

Fundamentals

Returns By Period

In the year-to-date period, BST achieves a -3.17% return, which is significantly higher than BSTZ's -7.27% return.


BST

YTD

-3.17%

1M

15.32%

6M

-0.33%

1Y

5.17%

5Y*

9.20%

10Y*

14.63%

BSTZ

YTD

-7.27%

1M

10.44%

6M

-3.30%

1Y

16.76%

5Y*

8.88%

10Y*

N/A

*Annualized

Compare stocks, funds, or ETFs

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Risk-Adjusted Performance

BST vs. BSTZ — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BST
The Risk-Adjusted Performance Rank of BST is 5959
Overall Rank
The Sharpe Ratio Rank of BST is 6262
Sharpe Ratio Rank
The Sortino Ratio Rank of BST is 5252
Sortino Ratio Rank
The Omega Ratio Rank of BST is 5353
Omega Ratio Rank
The Calmar Ratio Rank of BST is 6262
Calmar Ratio Rank
The Martin Ratio Rank of BST is 6262
Martin Ratio Rank

BSTZ
The Risk-Adjusted Performance Rank of BSTZ is 7171
Overall Rank
The Sharpe Ratio Rank of BSTZ is 7676
Sharpe Ratio Rank
The Sortino Ratio Rank of BSTZ is 6969
Sortino Ratio Rank
The Omega Ratio Rank of BSTZ is 6767
Omega Ratio Rank
The Calmar Ratio Rank of BSTZ is 6969
Calmar Ratio Rank
The Martin Ratio Rank of BSTZ is 7474
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

BST vs. BSTZ - Risk-Adjusted Performance 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.


The chart of Sharpe ratio for BST, currently valued at 0.32, compared to the broader market-2.00-1.000.001.002.003.00
BST: 0.32
BSTZ: 0.76
The chart of Sortino ratio for BST, currently valued at 0.59, compared to the broader market-6.00-4.00-2.000.002.004.00
BST: 0.59
BSTZ: 1.18
The chart of Omega ratio for BST, currently valued at 1.08, compared to the broader market0.501.001.502.00
BST: 1.08
BSTZ: 1.15
The chart of Calmar ratio for BST, currently valued at 0.25, compared to the broader market0.001.002.003.004.005.00
BST: 0.25
BSTZ: 0.43
The chart of Martin ratio for BST, currently valued at 0.99, compared to the broader market-10.000.0010.0020.00
BST: 0.99
BSTZ: 2.40

The current BST Sharpe Ratio is 0.32, which is lower than the BSTZ Sharpe Ratio of 0.76. The chart below compares the historical Sharpe Ratios of BST and BSTZ, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-1.000.001.002.003.00December2025FebruaryMarchAprilMay
0.32
0.76
BST
BSTZ

Dividends

BST vs. BSTZ - Dividend Comparison

BST's dividend yield for the trailing twelve months is around 8.72%, less than BSTZ's 13.58% yield.


TTM20242023202220212020201920182017201620152014
BST
BlackRock Science and Technology Trust
8.72%8.21%8.91%10.57%8.53%3.85%10.52%6.41%4.80%6.69%6.93%0.57%
BSTZ
BlackRock Science and Technology Trust II
13.58%9.75%10.90%14.73%7.92%3.42%2.44%0.00%0.00%0.00%0.00%0.00%

Drawdowns

BST vs. BSTZ - Drawdown Comparison

The maximum BST drawdown since its inception was -46.58%, smaller than the maximum BSTZ drawdown of -59.31%. Use the drawdown chart below to compare losses from any high point for BST and BSTZ. For additional features, visit the drawdowns tool.


-50.00%-40.00%-30.00%-20.00%-10.00%December2025FebruaryMarchAprilMay
-19.31%
-37.20%
BST
BSTZ

Volatility

BST vs. BSTZ - Volatility Comparison

BlackRock Science and Technology Trust (BST) and BlackRock Science and Technology Trust II (BSTZ) have volatilities of 15.64% and 15.00%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


4.00%6.00%8.00%10.00%12.00%14.00%16.00%December2025FebruaryMarchAprilMay
15.64%
15.00%
BST
BSTZ

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.


Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities


-100.00M0.00100.00M200.00MJulyOctober2021AprilJulyOctober2022AprilJulyOctober2023AprilJulyOctober2024AprilJulyOctober
95.61M
(BST) Total Revenue
(BSTZ) Total Revenue
Values in USD except per share items