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BSTZ vs. BMEZ
Performance
Return for Risk
Drawdowns
Volatility
Dividends
Financials

Performance

BSTZ vs. BMEZ - Performance Comparison

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

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Returns By Period

In the year-to-date period, BSTZ achieves a 31.54% return, which is significantly higher than BMEZ's 8.40% return.


BSTZ

1D
1.75%
1M
-2.73%
6M
31.94%
YTD
31.54%
1Y
48.48%
3Y*
27.39%
5Y*
3.54%
10Y*
ALL TIME*
14.79%

BMEZ

1D
-0.77%
1M
-0.75%
6M
6.49%
YTD
8.40%
1Y
20.79%
3Y*
9.45%
5Y*
-1.74%
10Y*
ALL TIME*
5.27%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison


PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)
$1.59M$2.23M$2.57M
$5.36M$5.75M$6.87M

BSTZ vs. BMEZ - Yearly Performance Comparison


2026 (YTD)202520242023202220212020
BSTZ
BlackRock Science and Technology Term Trust
31.54%25.06%37.49%18.72%-55.34%12.71%83.79%
BMEZ
BlackRock Health Sciences Trust II
8.40%18.69%9.54%5.07%-32.65%-6.00%48.99%

Correlation

The correlation between BSTZ and BMEZ is 0.26, which is low. Their historical price movements had little consistent relationship.


Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.26

Correlation (3Y)
Balances recent behavior with more history.

0.44

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.55

Correlation (All Time)
Calculated using the full available price history since Jan 29, 2020

0.54

Over the past year, the correlation between BSTZ and BMEZ has dropped to 0.26 - well below their long-term average of 0.54, suggesting their price drivers have been diverging.

Fundamentals

Market Cap

BSTZ:

$1.95B

BMEZ:

$1.57B

Total Revenue (TTM)

BSTZ:

$361.49M

BMEZ:

$58.97M

Gross Profit (TTM)

BSTZ:

$169.67M

BMEZ:

$52.95M

EBITDA (TTM)

BSTZ:

$586.67M

BMEZ:

$43.53M

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Return for Risk

BSTZ vs. BMEZ — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BSTZ
BSTZ Risk / Return Rank: 8787
Overall Rank
BSTZ Sharpe Ratio Rank: 8989
Sharpe Ratio Rank
BSTZ Sortino Ratio Rank: 8484
Sortino Ratio Rank
BSTZ Omega Ratio Rank: 8484
Omega Ratio Rank
BSTZ Calmar Ratio Rank: 8787
Calmar Ratio Rank
BSTZ Martin Ratio Rank: 9292
Martin Ratio Rank

BMEZ
BMEZ Risk / Return Rank: 8080
Overall Rank
BMEZ Sharpe Ratio Rank: 8484
Sharpe Ratio Rank
BMEZ Sortino Ratio Rank: 8383
Sortino Ratio Rank
BMEZ Omega Ratio Rank: 7878
Omega Ratio Rank
BMEZ Calmar Ratio Rank: 7878
Calmar Ratio Rank
BMEZ Martin Ratio Rank: 7878
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BSTZ vs. BMEZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Term Trust (BSTZ) and BlackRock Health Sciences Trust II (BMEZ). 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.


BSTZBMEZDifference
Sharpe ratioReturn per unit of total volatility

+0.35

Sortino ratioReturn per unit of downside risk

+0.11

Omega ratioGain probability vs. loss probability

1.30

1.25

+0.05

Calmar ratioReturn relative to maximum drawdown

3.08

1.87

+1.20

Martin ratioReturn relative to average drawdown

11.02

4.60

+6.42

BSTZ vs. BMEZ - Sharpe Ratio Comparison

The current BSTZ Sharpe Ratio is 1.74, which is comparable to the BMEZ Sharpe Ratio of 1.39. The chart below compares the historical Sharpe Ratios of BSTZ and BMEZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


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Drawdowns

BSTZ vs. BMEZ - Drawdown Comparison

The maximum BSTZ drawdown since its inception was -60.51%, which is greater than BMEZ's maximum drawdown of -46.19%. Use the drawdown chart below to compare losses from any high point for BSTZ and BMEZ.


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Drawdown Indicators


BSTZBMEZDifference

Max Drawdown

Largest peak-to-trough decline

-60.51%

-46.19%

-14.32%

Max Drawdown (1Y)

Largest decline over 1 year

-15.70%

-11.24%

-4.46%

Max Drawdown (3Y)

Largest decline over 3 years

-25.31%

-18.34%

-6.97%

Max Drawdown (5Y)

Largest decline over 5 years

-60.51%

-46.17%

-14.34%

Current Drawdown

Current decline from peak

-9.76%

-13.04%

+3.28%

Average Drawdown

Average peak-to-trough decline

-27.10%

-23.95%

-3.15%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.37%

4.57%

-0.20%

Volatility

BSTZ vs. BMEZ - Volatility Comparison

BlackRock Science and Technology Term Trust (BSTZ) has a higher volatility of 11.22% compared to BlackRock Health Sciences Trust II (BMEZ) at 3.83%. This indicates that BSTZ's price experiences larger fluctuations and is considered to be riskier than BMEZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


BSTZBMEZDifference

Volatility (1M)

Calculated over the trailing 1-month period

11.22%

3.83%

+7.39%

Volatility (6M)

Calculated over the trailing 6-month period

24.68%

11.14%

+13.54%

Volatility (1Y)

Calculated over the trailing 1-year period

27.75%

15.10%

+12.65%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

28.28%

19.82%

+8.46%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

30.47%

23.94%

+6.53%

Dividends

BSTZ vs. BMEZ - Dividend Comparison

BSTZ's dividend yield for the trailing twelve months is around 8.49%, less than BMEZ's 9.22% yield.


PositionTTM2025202420232022202120202019
BMEZ
BlackRock Health Sciences Trust II
9.22%12.43%11.74%10.80%11.28%6.51%3.14%0.00%
BSTZ
BlackRock Science and Technology Term Trust
8.49%12.46%9.75%10.90%14.73%5.14%3.42%2.44%

Financials

BSTZ vs. BMEZ - Financials Comparison

This section allows you to compare key financial metrics between BlackRock Science and Technology Term Trust and BlackRock Health Sciences 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


Values in USD except per share items

Frequently Asked Questions


BSTZ and BMEZ have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BSTZ has higher volatility (11.22%) compared to BMEZ (3.83%). In terms of maximum drawdown, BSTZ dropped -60.51% vs BMEZ's -46.19%.

BSTZ currently has the higher Sharpe Ratio (1.74 vs 1.39), 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.

Portfolio Optimizer

Find the right allocation for BSTZ and BMEZ

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