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BST vs. BCAT
Performance
Return for Risk
Drawdowns
Volatility
Dividends
Financials

Performance

BST vs. BCAT - Performance Comparison

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

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Returns By Period

In the year-to-date period, BST achieves a 18.86% return, which is significantly lower than BCAT's 25.35% return.


BST

1D
1.29%
1M
-4.12%
6M
16.98%
YTD
18.86%
1Y
33.10%
3Y*
19.80%
5Y*
5.79%
10Y*
19.04%
ALL TIME*
15.81%

BCAT

1D
0.90%
1M
1.62%
6M
18.61%
YTD
25.35%
1Y
31.23%
3Y*
21.08%
5Y*
7.96%
10Y*
ALL TIME*
9.19%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison


PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)
$9.36M$12.03M$11.44M
$4.06M$3.83M$5.22M

BST vs. BCAT - Yearly Performance Comparison


2026 (YTD)202520242023202220212020
BST
BlackRock Science and Technology Trust
18.86%23.65%17.96%30.07%-38.28%-0.35%34.20%
BCAT
BlackRock Capital Allocation Term Trust
25.35%16.78%19.37%19.30%-22.64%-5.21%9.35%

Correlation

The correlation between BST and BCAT is 0.61, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.


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

0.61

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

0.59

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

0.63

Correlation (All Time)
Calculated using the full available price history since Sep 25, 2020

0.58

The correlation between BST and BCAT has been stable across timeframes, ranging from 0.58 to 0.63 - a consistent structural relationship.

Fundamentals

Market Cap

BST:

$1.61B

BCAT:

$1.65B

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Return for Risk

BST vs. BCAT — Risk / Return Rank

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

BST
BST Risk / Return Rank: 8080
Overall Rank
BST Sharpe Ratio Rank: 8484
Sharpe Ratio Rank
BST Sortino Ratio Rank: 7979
Sortino Ratio Rank
BST Omega Ratio Rank: 7878
Omega Ratio Rank
BST Calmar Ratio Rank: 7979
Calmar Ratio Rank
BST Martin Ratio Rank: 8282
Martin Ratio Rank

BCAT
BCAT Risk / Return Rank: 9595
Overall Rank
BCAT Sharpe Ratio Rank: 9696
Sharpe Ratio Rank
BCAT Sortino Ratio Rank: 9696
Sortino Ratio Rank
BCAT Omega Ratio Rank: 9494
Omega Ratio Rank
BCAT Calmar Ratio Rank: 9191
Calmar Ratio Rank
BCAT Martin Ratio Rank: 9797
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.

BST vs. BCAT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Trust (BST) and BlackRock Capital Allocation Term Trust (BCAT). 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.


BSTBCATDifference
Sharpe ratioReturn per unit of total volatility

-1.11

Sortino ratioReturn per unit of downside risk

-1.58

Omega ratioGain probability vs. loss probability

1.25

1.44

-0.19

Calmar ratioReturn relative to maximum drawdown

2.04

3.83

-1.80

Martin ratioReturn relative to average drawdown

5.79

17.14

-11.35

BST vs. BCAT - Sharpe Ratio Comparison

The current BST Sharpe Ratio is 1.42, which is lower than the BCAT Sharpe Ratio of 2.53. The chart below compares the historical Sharpe Ratios of BST and BCAT, 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

BST vs. BCAT - Drawdown Comparison

The maximum BST drawdown since its inception was -47.72%, which is greater than BCAT's maximum drawdown of -36.13%. Use the drawdown chart below to compare losses from any high point for BST and BCAT.


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Drawdown Indicators


BSTBCATDifference

Max Drawdown

Largest peak-to-trough decline

-47.72%

-36.13%

-11.59%

Max Drawdown (1Y)

Largest decline over 1 year

-15.31%

-7.98%

-7.33%

Max Drawdown (3Y)

Largest decline over 3 years

-23.37%

-13.69%

-9.68%

Max Drawdown (5Y)

Largest decline over 5 years

-45.17%

-33.67%

-11.50%

Max Drawdown (10Y)

Largest decline over 10 years

-47.72%

Current Drawdown

Current decline from peak

-8.30%

-0.65%

-7.65%

Average Drawdown

Average peak-to-trough decline

-12.88%

-12.48%

-0.40%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.37%

1.78%

+3.59%

Volatility

BST vs. BCAT - Volatility Comparison

BlackRock Science and Technology Trust (BST) has a higher volatility of 8.49% compared to BlackRock Capital Allocation Term Trust (BCAT) at 3.98%. This indicates that BST's price experiences larger fluctuations and is considered to be riskier than BCAT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


BSTBCATDifference

Volatility (1M)

Calculated over the trailing 1-month period

8.49%

3.98%

+4.51%

Volatility (6M)

Calculated over the trailing 6-month period

19.26%

9.87%

+9.39%

Volatility (1Y)

Calculated over the trailing 1-year period

22.03%

12.10%

+9.93%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

24.03%

15.20%

+8.83%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

25.99%

15.88%

+10.11%

Dividends

BST vs. BCAT - Dividend Comparison

BST's dividend yield for the trailing twelve months is around 9.08%, less than BCAT's 19.97% yield.


PositionTTM20252024202320222021202020192018201720162015
BCAT
BlackRock Capital Allocation Term Trust
19.97%23.45%17.48%10.08%9.01%6.42%0.48%0.00%0.00%0.00%0.00%0.00%
BST
BlackRock Science and Technology Trust
9.08%10.36%8.21%8.91%10.57%5.38%3.85%10.52%6.41%4.80%6.69%6.93%

Financials

BST vs. BCAT - Financials Comparison

This section allows you to compare key financial metrics between BlackRock Science and Technology Trust and BlackRock Capital Allocation Term Trust. 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


BST and BCAT have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BST has higher volatility (8.49%) compared to BCAT (3.98%). In terms of maximum drawdown, BST dropped -47.72% vs BCAT's -36.13%.

BCAT currently has the higher Sharpe Ratio (2.53 vs 1.42), 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 BST and BCAT

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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