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WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.

corporate_fare Company Profile

WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.

HIO·NYSE·Unknown·CIK 0000910068

Western Asset High Income Opportunity Fund Inc. is a closed-ended fixed-income mutual fund. It is managed by Legg Mason Partners Fund Advisor, LLC, with co-management by Western Asset Management Company and Western Asset Management Company Limited. The fund invests in the fixed income markets of the United States, specifically targeting high-yielding corporate debt obligations. It aims to maintain an average duration of approximately four years and an average credit quality of B. The fund's performance is benchmarked against the Barclays Capital U.S. Corporate High Yield 2% Issuer Cap Index. Established on November 16, 1993, the fund was previously known as High Income Opportunity Fund and is domiciled in the United States.

WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. (NYSE:HIO) is a publicly traded company in the Unknown sector. Wiseek has independently scored 1 item for HIO at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-04-23, rated 7/10. Recent SEC coverage for HIO spans 424B3.

Recent high-impact activity:

  • Western Asset High Income Opportunity Fund Announces Portfolio Manager Departure and Team Updates

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 157,224 shares in HIO as of the September 15, 2026 settlement, a 51.2% increase from the prior period — about 1.0 days to cover at its recent average daily volume. On October 2, 2026, 35.1% of HIO volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)157,224 shares as of September 15, 2026
Change vs prior period▲ 51.2%
Days to cover1.00 at avg daily volume of 513,364
Daily short volume (FINRA facilities)35.1% of 203,582 shares on October 2, 2026
5-day average short volume27.9%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Dilution Risk

Low risk

Filing-implied dilution signals for HIO, detected from its recent SEC filings · based on capital-structure filings through 2026-04-23.

1 recent capital raise

Portfolio Manager Departure Announced · Management Team Updates

A filing-implied signal, not a realized share count. How Wiseek tracks dilution →

$3.29
52-week range · as of 2026-04-23 $3.29 – $4.05
Market cap
$312.88M
Volume
344.7K (0.7× avg)
3-mo avg 520.9K
Live data · 2026-10-05 02:51 UTC · Market closed

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feed HIO - Latest Insights

HIO
Apr 23, 2026, 5:18 PM EDT
Filing Type: 424B3
Importance Score:
7
Western Asset High Income Opportunity Fund Announces Portfolio Manager Departure and Team Updates
Price at Filing: $3.59
Real-time Price: $3.29 info
Change: -$0.300 (-8%) info
Market Cap: $312.876M info
Sentiment: Negative
View Wiseek Article
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets