TEAF vs. BSTZ

Last updated Apr 2, 2026

Compare and contrast key facts about Ecofin Sustainable and Social Impact Term Fund (TEAF) and BlackRock Science and Technology Trust II (BSTZ).

Performance

TEAF vs. BSTZ - Performance Comparison

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

TEAF vs. BSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
TEAF Ecofin Sustainable and Social Impact Term Fund	0.00%	9.74%	12.16%	-0.64%	-5.41%	19.37%	-12.76%	-4.54%
BSTZ BlackRock Science and Technology Trust II	2.17%	25.06%	37.49%	18.72%	-55.34%	12.71%	87.46%	4.20%

Fundamentals

Total Revenue (TTM) TEAF : $21.36M BSTZ : $361.49M
Gross Profit (TTM) TEAF : $14.31M BSTZ : $169.67M
EBITDA (TTM) TEAF : -$435.19K BSTZ : $586.67M

Returns By Period

TEAF

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BSTZ

• 1D: 2.03%
• 1M: -1.29%
• YTD: 2.17%
• 6M: 6.38%
• 1Y: 41.49%
• 3Y*: 19.15%
• 5Y*: 0.33%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

TEAF vs. BSTZ — Risk / Return Rank

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

BSTZ

BSTZ Risk / Return Rank: 88
BSTZ Sharpe Ratio Rank: 87
BSTZ Sortino Ratio Rank: 84
BSTZ Omega Ratio Rank: 84
BSTZ Calmar Ratio Rank: 89
BSTZ Martin Ratio Rank: 93

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.

TEAF vs. BSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ecofin Sustainable and Social Impact Term Fund (TEAF) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	TEAF	BSTZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.75	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.01	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.37	—

Correlation

The correlation between TEAF and BSTZ is 0.35, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

TEAF vs. BSTZ - Dividend Comparison

TEAF's dividend yield for the trailing twelve months is around 5.16%, less than BSTZ's 11.68% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019
TEAF Ecofin Sustainable and Social Impact Term Fund	5.16%	7.37%	9.00%	9.22%	8.25%	6.18%	8.17%	5.30%
BSTZ BlackRock Science and Technology Trust II	11.68%	12.46%	9.75%	10.90%	14.73%	5.14%	3.42%	2.44%

Drawdowns

Drawdown Indicators

	TEAF	BSTZ	Difference
Max Drawdown Largest peak-to-trough decline	—	-60.51%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.57%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-60.51%	—
Current Drawdown Current decline from peak	—	-16.03%	—
Average Drawdown Average peak-to-trough decline	—	-28.14%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.28%	—

Volatility

Volatility by Period

	TEAF	BSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	9.50%	—
Volatility (6M) Calculated over the trailing 6-month period	—	16.14%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	23.94%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	27.12%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	30.09%	—

Financials