The page is the record's research on the issuer — no analyst, no rating, no view.

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ-RI) — research page

US · us-cm-kg/NYSE/NMZ-RI · as of 2026-11-08

Identity and listing

The issuer is NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, listed on NYSE under ticker NMZ-RI. Its LEI is BN7VUB6JBYC7TTWZRZ58 and its ISIN is not on the record, though several US ISINs are carried against the LEI. Its security type is non-operating entity type (other), its segment and sector are not on the record, and its jurisdiction is United States, Massachusetts. Its status is listed, not halted.

fieldvaluesource · read date
nameNUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUNDsource · 2026-11-08
exchangeNYSEsource · 2026-11-08
tickerNMZ-RIsource · 2026-11-08
ISINnot on the record
LEIBN7VUB6JBYC7TTWZRZ58source · 2026-11-08
security typeNon-operating entity type (other)source · 2026-11-08
segmentnot on the record
sectornot on the record
jurisdictionUnited States — Massachusettssource · 2026-11-08
statuslisted, not haltedsource · 2026-11-08

The disclosure read

The record holds 61 filings in the window from 2025-11-08 to 2026-11-08, across 41 filing days, comprising 1 agm_egm, 12 directors_dealings, 4 prospectus and 44 regulatory_filing. The median gap between filing days is 6.5 days. The latest filing is dated 2026-11-03, is a regulatory_filing, and falls 5 days before the record date. The NYSE median is 64.0 filings, a median cadence gap of 6.0 days and a median latency of 4.0 days across 3256 issuers. The sector peer figures are not on the record for the US market.

filingsmedian gap between filing daysdays from latest filing to as-of
this issuer616.55
exchange median: NYSE (3256 issuers)6464
datetypecategoryfiling
2026-11-03regulatory_filingN-23C-2N-23C-2 — NOTICE OF INTENTION TO REDEEM SECURITIES
2026-10-28regulatory_filing497AD497AD — FILING BY CERTAIN INVESTMENT COMPANIES
2026-10-23prospectus424B5424B5 — PROSPECTUS SUPPLEMENT
2026-10-22regulatory_filing497AD497AD — FORM 497AD
2026-10-02prospectus424B3424B3 — PROSPECTUS FILED PURSUANT TO RULE 424(B)(3)

window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them

Auditor

The auditor is not on the record, because the latest annual report cover carries no dei:AuditorName tag, and its location is not on the record. The record holds no auditor changes.

Events and halts

The record holds no listing, delisting or name change lines. The domicile change is not on the record, since EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, since exchange tier transfers are not EDGAR filings. The halt flag is listed, not halted.

Orderability

The outcome is not determinable under acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of 2026-11-04. The chapter's orderability section carries no client_categories, so the outcome cannot name its client category.

rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability

Coverage

The record holds no research houses named on the issuer's investor-relations page, as none was found on the pages read.

Open research

The record holds no openly published research notes for the issuer, as none was found.

Licensed

Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.

licensorentitlementtitledatesource
none loaded

As-of depth

The vintage is sealed. The record holds no sealed issuer years for this issuer. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.

Sources

7 source pages are named on this page; every value above carries its own source page and read date in the numbers.

10.1
https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
10.2
https://data.sec.gov/submissions/CIK0001266585.json (identity.jurisdiction)
10.3
https://api.gleif.org/api/v1/lei-records/BN7VUB6JBYC7TTWZRZ58 (identity.lei)
10.4
https://mcp.us-cm-kg.ai/events/NYSE/NMZ-RI (the disclosure lines)
10.5
https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
10.6
https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
10.7
https://mcp.us-cm-kg.ai/record/NYSE/NMZ-RI (the record)

Read it by agent

The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"ticker":"NMZ-RI","exchange":"NYSE"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:d12c42e4d268161e.