The page is the record's research on the issuer — no analyst, no rating, no view. # CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND (NASDAQ: CHI) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND is listed on NASDAQ under the ticker CHI, with ISIN US1281171082 and LEI 549300ZBRGRX6VMFJ315. Its security type on the record is Non-operating entity type (other). Segment, sector and jurisdiction are not on the record. The record holds the issuer as listed, not halted. ## The disclosure read The record holds 19 filings across 16 filing days in the window 2025-11-08 to 2026-11-08. By type, the record holds 15 regulatory filings, 2 directors' dealings, 1 prospectus and 1 AGM/EGM filing. The median gap between filing days is 7 days. The latest filing is dated 2026-09-29 and is a regulatory filing, 40 days before the record date of 2026-11-08. On NASDAQ the record holds 4359 issuers with a median of 52 filings, a median cadence gap of 6.0 days and a median latency of 5.0 days. The sector peer figures are not on the record for the US market. ## Auditor The auditor is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes. ## Events and halts The record holds no listing, delisting or name change events. The domicile change and segment move are not on the record. The issuer is listed and not halted. ## Orderability The outcome is not determinable under the rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, because the chapter's orderability section carries no client categories. The chapter is as of 2026-11-04. ## Coverage No research houses were found on the investor-relations pages read. ## Open research No openly published research notes were found on the record. ## 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. ## As-of depth The record holds sealed years 2021, 2022, 2023, 2024, 2025 and 2026 for this issuer. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12. ## Sources 8 source pages are named on this page; every value above carries its own source page and read date in the numbers. - https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange) - https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin) - https://api.gleif.org/api/v1/lei-records/549300ZBRGRX6VMFJ315 (identity.lei) - https://data.sec.gov/submissions/CIK0001171471.json (identity.name) - https://mcp.us-cm-kg.ai/events/NASDAQ/CHI (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NASDAQ/CHI (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NASDAQ/CHI · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp