{"cik":"0000910068","ticker":"HIO","name":"WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC.","sic_code":"","sic_description":"","exchange":"NYSE","state_of_incorporation":"MD","fiscal_year_end":"0930","first_filing_date":"2026-05-21","last_filing_date":"2026-09-11","url":"/sec/cik-0000910068","insider_summary":{"total_transactions":0,"unique_insiders":0,"latest_transaction":null},"recent_filings":[{"accession_number":"0000940400-26-020719","form_type":"NPORT-P","form_type_family":"other","doc_date":"2026-05-21","title":"NPORT-P — WESTERN ASSET HIGH INCOME OPPORTUNITY FUND INC. — 2026-05-21","url_slug":"/sec/cik-0000910068/nport-p/0000940400-26-020719","edgar_url":"https://www.sec.gov/Archives/edgar/data/910068/0000940400-26-020719-index.html"}],"related_endpoints":{"profile":"/sec/HIO/profile","timeline":"/sec/HIO/timeline","peers":"/sec/HIO/peers","insider_pulse":"/sec/HIO/insider-pulse","insider_summary":"/sec/HIO/insider-summary","insider_transactions":"/sec/HIO/insider-transactions","form144":"/sec/HIO/form144","holdings_as_filer":"/sec/HIO/holdings","financial_facts":"/sec/HIO/financial-facts","derivatives":"/sec/HIO/derivatives","officers":"/sec/HIO/officers","insider_network":"/sec/HIO/insider-network","risk_flags":"/sec/HIO/risk-flags","filings":"/sec/HIO/filings","cross_topic_dossier":"/api/v1/dossier?ticker=HIO"}}