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BST vs. SPY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between BST and SPY is 0.69, 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.


-0.50.00.51.00.7

Performance

BST vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Science and Technology Trust (BST) and SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

-10.00%-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
7.92%
8.43%
BST
SPY

Key characteristics

Sharpe Ratio

BST:

1.06

SPY:

2.20

Sortino Ratio

BST:

1.47

SPY:

2.91

Omega Ratio

BST:

1.19

SPY:

1.41

Calmar Ratio

BST:

0.66

SPY:

3.35

Martin Ratio

BST:

3.52

SPY:

13.99

Ulcer Index

BST:

5.38%

SPY:

2.01%

Daily Std Dev

BST:

17.88%

SPY:

12.79%

Max Drawdown

BST:

-46.58%

SPY:

-55.19%

Current Drawdown

BST:

-14.03%

SPY:

-1.35%

Returns By Period

In the year-to-date period, BST achieves a 3.16% return, which is significantly higher than SPY's 1.96% return. Over the past 10 years, BST has outperformed SPY with an annualized return of 15.49%, while SPY has yielded a comparatively lower 13.44% annualized return.


BST

YTD

3.16%

1M

3.45%

6M

7.92%

1Y

17.60%

5Y*

9.69%

10Y*

15.49%

SPY

YTD

1.96%

1M

2.27%

6M

9.55%

1Y

27.02%

5Y*

14.23%

10Y*

13.44%

*Annualized

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Risk-Adjusted Performance

BST vs. SPY — 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 7373
Overall Rank
The Sharpe Ratio Rank of BST is 7979
Sharpe Ratio Rank
The Sortino Ratio Rank of BST is 7070
Sortino Ratio Rank
The Omega Ratio Rank of BST is 6969
Omega Ratio Rank
The Calmar Ratio Rank of BST is 7272
Calmar Ratio Rank
The Martin Ratio Rank of BST is 7575
Martin Ratio Rank

SPY
The Risk-Adjusted Performance Rank of SPY is 8383
Overall Rank
The Sharpe Ratio Rank of SPY is 8383
Sharpe Ratio Rank
The Sortino Ratio Rank of SPY is 8080
Sortino Ratio Rank
The Omega Ratio Rank of SPY is 8383
Omega Ratio Rank
The Calmar Ratio Rank of SPY is 8383
Calmar Ratio Rank
The Martin Ratio Rank of SPY is 8585
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. SPY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Science and Technology Trust (BST) and SPDR S&P 500 ETF (SPY). 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.


Sharpe ratio
The chart of Sharpe ratio for BST, currently valued at 1.06, compared to the broader market-2.000.002.004.001.062.20
The chart of Sortino ratio for BST, currently valued at 1.47, compared to the broader market-4.00-2.000.002.004.001.472.91
The chart of Omega ratio for BST, currently valued at 1.19, compared to the broader market0.501.001.502.001.191.41
The chart of Calmar ratio for BST, currently valued at 0.66, compared to the broader market0.002.004.006.000.663.35
The chart of Martin ratio for BST, currently valued at 3.52, compared to the broader market-10.000.0010.0020.0030.003.5213.99
BST
SPY

The current BST Sharpe Ratio is 1.06, which is lower than the SPY Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of BST and SPY, 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 Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
1.06
2.20
BST
SPY

Dividends

BST vs. SPY - Dividend Comparison

BST's dividend yield for the trailing twelve months is around 8.01%, more than SPY's 1.18% yield.


TTM20242023202220212020201920182017201620152014
BST
BlackRock Science and Technology Trust
8.01%8.21%8.91%10.57%8.53%3.85%5.46%6.41%4.80%6.69%6.93%0.57%
SPY
SPDR S&P 500 ETF
1.18%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%1.87%

Drawdowns

BST vs. SPY - Drawdown Comparison

The maximum BST drawdown since its inception was -46.58%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for BST and SPY. For additional features, visit the drawdowns tool.


-25.00%-20.00%-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-14.03%
-1.35%
BST
SPY

Volatility

BST vs. SPY - Volatility Comparison

BlackRock Science and Technology Trust (BST) has a higher volatility of 5.40% compared to SPDR S&P 500 ETF (SPY) at 5.10%. This indicates that BST's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%4.00%6.00%8.00%10.00%AugustSeptemberOctoberNovemberDecember2025
5.40%
5.10%
BST
SPY
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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