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GAB vs. BST
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

GAB vs. BST - Performance Comparison

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

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Returns By Period

In the year-to-date period, GAB achieves a -5.00% return, which is significantly lower than BST's 21.48% return. Over the past 10 years, GAB has underperformed BST with an annualized return of 11.17%, while BST has yielded a comparatively higher 20.10% annualized return.


GAB

1D
0.36%
1M
1.07%
YTD
-5.00%
6M
-2.96%
1Y
7.76%
3Y*
10.78%
5Y*
5.48%
10Y*
11.17%

BST

1D
2.64%
1M
6.02%
YTD
21.48%
6M
27.08%
1Y
42.06%
3Y*
22.50%
5Y*
4.54%
10Y*
20.10%
*Multi-year figures are annualized to reflect compound growth (CAGR)

GAB vs. BST - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
GAB
The Gabelli Equity Trust Inc
-5.00%27.03%18.05%3.37%-16.30%28.26%14.70%31.62%-8.77%24.66%
BST
BlackRock Science and Technology Trust
21.48%23.65%17.96%30.07%-38.28%-0.35%69.27%34.57%8.84%57.43%

Correlation

The correlation between GAB and BST is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.


Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.37

Correlation (3Y)
Calculated over the trailing 3-year period

0.42

Correlation (5Y)
Calculated over the trailing 5-year period

0.48

Correlation (10Y)
Calculated over the trailing 10-year period

0.47

Correlation (All Time)
Calculated using the full available price history since Oct 29, 2014

0.48

The correlation between GAB and BST shifts across timeframes, from 0.37 (1 year) to 0.48 (all time), reflecting how their relationship changes across market environments.

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Return for Risk

GAB vs. BST — Risk / Return Rank

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

GAB
GAB Risk / Return Rank: 99
Overall Rank
GAB Sharpe Ratio Rank: 99
Sharpe Ratio Rank
GAB Sortino Ratio Rank: 99
Sortino Ratio Rank
GAB Omega Ratio Rank: 99
Omega Ratio Rank
GAB Calmar Ratio Rank: 99
Calmar Ratio Rank
GAB Martin Ratio Rank: 88
Martin Ratio Rank

BST
BST Risk / Return Rank: 8787
Overall Rank
BST Sharpe Ratio Rank: 9191
Sharpe Ratio Rank
BST Sortino Ratio Rank: 8989
Sortino Ratio Rank
BST Omega Ratio Rank: 8989
Omega Ratio Rank
BST Calmar Ratio Rank: 8282
Calmar Ratio Rank
BST Martin Ratio Rank: 8787
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

GAB vs. BST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The Gabelli Equity Trust Inc (GAB) and BlackRock Science and Technology Trust (BST). 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.


GABBSTDifference
Sharpe ratioReturn per unit of total volatility

-1.64

Sortino ratioReturn per unit of downside risk

-2.01

Omega ratioGain probability vs. loss probability

1.10

1.39

-0.28

Calmar ratioReturn relative to maximum drawdown

0.60

2.76

-2.16

Martin ratioReturn relative to average drawdown

1.55

8.87

-7.32

GAB vs. BST - Sharpe Ratio Comparison

The current GAB Sharpe Ratio is 0.53, which is lower than the BST Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of GAB and BST, 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

GAB vs. BST - Drawdown Comparison

The maximum GAB drawdown since its inception was -74.62%, which is greater than BST's maximum drawdown of -47.72%. Use the drawdown chart below to compare losses from any high point for GAB and BST.


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Drawdown Indicators


GABBSTDifference

Max Drawdown

Largest peak-to-trough decline

-74.62%

-47.72%

-26.90%

Max Drawdown (1Y)

Largest decline over 1 year

-12.90%

-15.31%

+2.41%

Max Drawdown (3Y)

Largest decline over 3 years

-19.63%

-23.37%

+3.74%

Max Drawdown (5Y)

Largest decline over 5 years

-26.60%

-47.72%

+21.12%

Max Drawdown (10Y)

Largest decline over 10 years

-46.92%

-47.72%

+0.80%

Current Drawdown

Current decline from peak

-7.84%

-4.13%

-3.71%

Average Drawdown

Average peak-to-trough decline

-10.65%

-12.96%

+2.31%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.03%

4.76%

+0.27%

Volatility

GAB vs. BST - Volatility Comparison

The current volatility for The Gabelli Equity Trust Inc (GAB) is 3.16%, while BlackRock Science and Technology Trust (BST) has a volatility of 9.75%. This indicates that GAB experiences smaller price fluctuations and is considered to be less risky than BST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


GABBSTDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.16%

9.75%

-6.59%

Volatility (6M)

Calculated over the trailing 6-month period

11.67%

16.86%

-5.19%

Volatility (1Y)

Calculated over the trailing 1-year period

14.66%

19.44%

-4.78%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

18.27%

23.81%

-5.54%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

21.92%

25.83%

-3.91%

Dividends

GAB vs. BST - Dividend Comparison

GAB's dividend yield for the trailing twelve months is around 10.54%, more than BST's 8.79% yield.


PositionTTM20252024202320222021202020192018201720162015
BST
BlackRock Science and Technology Trust
8.79%10.36%8.21%8.91%10.57%5.38%3.85%10.52%6.41%4.80%6.69%6.93%
GAB
The Gabelli Equity Trust Inc
10.54%9.72%11.15%11.81%10.95%8.72%9.57%9.85%12.55%9.80%10.87%12.05%

Frequently Asked Questions


GAB and BST have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

BST has higher volatility (9.75%) compared to GAB (3.16%). In terms of maximum drawdown, GAB dropped -74.62% vs BST's -47.72%.

BST currently has the higher Sharpe Ratio (2.17 vs 0.53), 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.

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