BLW vs. BUI

Last updated Jun 3, 2026

BLW (BlackRock Limited Duration Income Trust) and BUI (BlackRock Utilities, Infrastructure & Power Opportunities Trust) are both stocks. Both operate in the Asset Management industry within the Financial Services sector. Over the past 10 years, BLW returned 6.50%/yr vs 11.11%/yr for BUI. At a 0.27 correlation, their price movements are largely independent.

Performance

BLW vs. BUI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Limited Duration Income Trust (BLW) and BlackRock Utilities, Infrastructure & Power Opportunities Trust (BUI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BLW achieves a -5.11% return, which is significantly lower than BUI's 11.91% return. Over the past 10 years, BLW has underperformed BUI with an annualized return of 6.50%, while BUI has yielded a comparatively higher 11.11% annualized return.

BLW

• 1D: -0.24%
• 1M: -2.00%
• YTD: -5.11%
• 6M: -5.02%
• 1Y: -1.66%
• 3Y*: 8.92%
• 5Y*: 3.00%
• 10Y*: 6.50%

BUI

• 1D: -0.18%
• 1M: -1.35%
• YTD: 11.91%
• 6M: 13.79%
• 1Y: 27.78%
• 3Y*: 16.67%
• 5Y*: 8.21%
• 10Y*: 11.11%

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

BLW vs. BUI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BLW BlackRock Limited Duration Income Trust	-5.11%	7.17%	11.06%	17.29%	-15.92%	13.52%	5.36%	31.08%	-10.22%	11.53%
BUI BlackRock Utilities, Infrastructure & Power Opportunities Trust	11.91%	21.79%	14.62%	12.29%	-16.77%	12.48%	20.30%	20.60%	-1.81%	26.06%

Correlation

The correlation between BLW and BUI is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.24
Correlation (3Y) Calculated over the trailing 3-year period	0.27
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (10Y) Calculated over the trailing 10-year period	0.30
Correlation (All Time) Calculated using the full available price history since Nov 25, 2011	0.27

The correlation between BLW and BUI shifts across timeframes, from 0.24 (1 year) to 0.35 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap BLW : $482.93M BUI : $658.41M
EPS BLW : $1.93 BUI : $5.95
PE Ratio BLW : 6.48 BUI : 4.60
PEG Ratio BLW : 0.27 BUI : 0.13
PS Ratio BLW : 5.68 BUI : 4.30
PB Ratio BLW : 0.89 BUI : 1.11
Total Revenue (TTM) BLW : $84.85M BUI : $148.86M
Gross Profit (TTM) BLW : $79.63M BUI : $118.00M
EBITDA (TTM) BLW : $66.98M BUI : $139.18M

Return for Risk

BLW vs. BUI — Risk / Return Rank

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

BLW

BLW Risk / Return Rank: 30
BLW Sharpe Ratio Rank: 31
BLW Sortino Ratio Rank: 24
BLW Omega Ratio Rank: 24
BLW Calmar Ratio Rank: 36
BLW Martin Ratio Rank: 33

BUI

BUI Risk / Return Rank: 81
BUI Sharpe Ratio Rank: 85
BUI Sortino Ratio Rank: 84
BUI Omega Ratio Rank: 84
BUI Calmar Ratio Rank: 75
BUI Martin Ratio Rank: 78

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.

BLW vs. BUI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Limited Duration Income Trust (BLW) and BlackRock Utilities, Infrastructure & Power Opportunities Trust (BUI). 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.

	BLW	BUI	Difference
Sharpe ratio Return per unit of total volatility	-0.21	1.85	-2.06
Sortino ratio Return per unit of downside risk	-0.24	2.64	-2.88
Omega ratio Gain probability vs. loss probability	0.97	1.36	-0.39
Calmar ratio Return relative to maximum drawdown	-0.12	2.09	-2.21
Martin ratio Return relative to average drawdown	-0.38	6.12	-6.51
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BLW vs. BUI - Sharpe Ratio Comparison

The current BLW Sharpe Ratio is -0.21, which is lower than the BUI Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of BLW and BUI, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BLW	BUI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.21	1.85	-2.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.24	0.48	-0.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.51	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.51	-0.11

Drawdowns

BLW vs. BUI - Drawdown Comparison

The maximum BLW drawdown since its inception was -44.13%, smaller than the maximum BUI drawdown of -46.49%. Use the drawdown chart below to compare losses from any high point for BLW and BUI.

Drawdown Indicators

	BLW	BUI	Difference
Max Drawdown Largest peak-to-trough decline	-44.13%	-46.49%	+2.36%
Max Drawdown (1Y) Largest decline over 1 year	-11.19%	-13.57%	+2.38%
Max Drawdown (3Y) Largest decline over 3 years	-11.19%	-18.27%	+7.08%
Max Drawdown (5Y) Largest decline over 5 years	-26.30%	-27.41%	+1.11%
Max Drawdown (10Y) Largest decline over 10 years	-41.85%	-46.49%	+4.64%
Current Drawdown Current decline from peak	-7.13%	-7.03%	-0.10%
Average Drawdown Average peak-to-trough decline	-6.04%	-6.02%	-0.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.40%	4.63%	-1.23%

Volatility

BLW vs. BUI - Volatility Comparison

The current volatility for BlackRock Limited Duration Income Trust (BLW) is 2.36%, while BlackRock Utilities, Infrastructure & Power Opportunities Trust (BUI) has a volatility of 3.50%. This indicates that BLW experiences smaller price fluctuations and is considered to be less risky than BUI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BLW	BUI	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.36%	3.50%	-1.14%
Volatility (6M) Calculated over the trailing 6-month period	6.91%	12.23%	-5.32%
Volatility (1Y) Calculated over the trailing 1-year period	7.90%	15.09%	-7.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.32%	17.04%	-4.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.59%	21.83%	-7.24%

Dividends

BLW vs. BUI - Dividend Comparison

BLW's dividend yield for the trailing twelve months is around 10.88%, more than BUI's 9.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BLW BlackRock Limited Duration Income Trust	10.88%	9.89%	9.39%	8.63%	8.26%	6.99%	7.39%	6.27%	7.14%	6.24%	9.68%	8.26%
BUI BlackRock Utilities, Infrastructure & Power Opportunities Trust	9.56%	10.39%	6.26%	6.65%	6.99%	5.45%	5.80%	6.51%	7.35%	6.72%	7.89%	8.65%

Financials

Frequently Asked Questions

Can I hold both BLW and BUI in my portfolio?

BLW and BUI have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BLW or BUI?

BUI has higher volatility (3.50%) compared to BLW (2.36%). In terms of maximum drawdown, BLW dropped -44.13% vs BUI's -46.49%.

Which has better risk-adjusted returns?

BUI currently has the higher Sharpe Ratio (1.85 vs -0.21), 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.