{
 "as_of": "2026-11-06",
 "cmr": "kr-cm-kg/KOSPI/026940",
 "fence": "The page is the record's research on the issuer — no analyst, no rating, no view.",
 "markdown": "The page is the record's research on the issuer — no analyst, no rating, no view.\n\n# Bookook Steel (KOSPI: 026940) — research page\n\nAs of 2026-11-06 · kr-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is Bookook Steel, listed on KOSPI under ticker 026940, ISIN KR7026940007. Its LEI is not on the record. Its security type is Corporate, its segment is not on the record, its sector is 1차 철강 제조업, and its jurisdiction is South Korea. The issuer is listed and not halted.\n\n## The disclosure read\n\nThe record holds 20 filings across 16 filing days in the twelve months to 2026-11-06. The median gap between filing days is 9 days. The median latency from the latest filing to the record date is 84 days for the issuer. The exchange median is 7.0 days for cadence and 7.0 days for latency, across 832 issuers and 49.0 filings. The sector median is 8.0 days for cadence and 9.0 days for latency, across 60 issuers and 33.0 filings. The latest filing is dated 2026-08-14 and is of type results.\n\n## Auditor\n\nThe auditor of record is 삼정회계법인, with its location not on the record. Auditor changes are not on the record.\n\n## Events and halts\n\nListing, delisting, name change, domicile change and segment move are not on the record, because the register has no lifecycle type map yet. The issuer is listed and not halted.\n\n## Orderability\n\nThe outcome is not determinable because the chapter's orderability section carries no client categories. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, and the chapter is as of 2026-11-04.\n\n## Coverage\n\nThe field has not been read.\n\n## Open research\n\nThe field has not been read.\n\n## Licensed\n\nLicensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.\n\n## As-of depth\n\nThe market's vintage is not sealed. The issuer has no sealed years. The live record began on 2026-09-12. Years 2021 through 2026 are sealed in the store but not served as of this date.\n\n## Sources\n\n8 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13 (identity.exchange)\n- https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd (identity.isin)\n- https://opendart.fss.or.kr/api/company.json?corp_code=00123781 (identity.jurisdiction)\n- https://mcp.kr-cm-kg.ai/events/KOSPI/026940 (the disclosure lines)\n- https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain (the halt flag)\n- https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000484 (the auditor)\n- https://mcp.kr-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.kr-cm-kg.ai/record/KOSPI/026940 (the record)\n",
 "market": "KR",
 "node": "kr-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [],
   "live_record_began": "2026-09-12",
   "node_history_from": null,
   "node_years_sealed": [],
   "note": "6 years are sealed in the KR store; their Replay split is not built, so the as-of door answers not_sealed and the record is the live record as of 2026-11-06",
   "record_version": 1,
   "sealed": false,
   "store_years_sealed_not_served": [
    "2021",
    "2022",
    "2023",
    "2024",
    "2025",
    "2026"
   ]
  },
  "auditor": {
   "auditor": {
    "read_by": "DART API 회계감사인의 명칭 및 감사의견 (annual report 11011, business year 2025)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000484",
    "state": "sourced",
    "value": "삼정회계법인"
   },
   "auditor_firm_id": {
    "market": "KR",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "KR",
    "state": "not_on_record"
   },
   "changes": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "cmr": "kr-cm-kg/KOSPI/026940",
  "coverage": {
   "note": "the coverage field has not been read for this issuer",
   "state": "not_read"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 832,
     "median_cadence_gap_days": 7,
     "median_filings": 49,
     "median_latency_days": 7,
     "name": "KOSPI"
    },
    "sector": {
     "issuers": 60,
     "median_cadence_gap_days": 8,
     "median_filings": 33,
     "median_latency_days": 9,
     "name": "1차 철강 제조업"
    }
   },
   "by_type": {
    "agm_egm": 3,
    "corporate_news": 5,
    "dividend": 1,
    "exchange_bulletin": 2,
    "major_holder": 2,
    "regulatory_filing": 2,
    "results": 5
   },
   "cadence_median_gap_days": 9,
   "filing_days": 16,
   "filings": 20,
   "latency_days": 84,
   "latest": [
    {
     "category": null,
     "date": "2026-08-14",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260814002572",
     "title": "반기보고서 (2026.06)",
     "type": "results"
    },
    {
     "category": null,
     "date": "2026-07-03",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260703800915",
     "title": "최대주주등소유주식변동신고서",
     "type": "corporate_news"
    },
    {
     "category": null,
     "date": "2026-06-24",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260624800757",
     "title": "조회공시요구(현저한시황변동)에대한답변(중요공시대상없음)",
     "type": "exchange_bulletin"
    },
    {
     "category": null,
     "date": "2026-06-23",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260623800729",
     "title": "조회공시요구(현저한시황변동)",
     "type": "exchange_bulletin"
    },
    {
     "category": null,
     "date": "2026-06-01",
     "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260601801182",
     "title": "기업지배구조보고서공시",
     "type": "regulatory_filing"
    }
   ],
   "latest_filing_date": "2026-08-14",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSPI/026940",
   "window": {
    "from": "2025-11-06",
    "to": "2026-11-06"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "KOSPI"
   },
   "isin": {
    "read_by": "KRX stock finder (data.krx.co.kr finder_stkisu: full_code = the KRX standard code)",
    "read_date": "2026-11-08",
    "read_date_basis": "the field",
    "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd  [POST bld=dbms/comm/finder/finder_stkisu, mktsel=ALL]",
    "state": "sourced",
    "value": "KR7026940007"
   },
   "jurisdiction": {
    "read_by": "DART company.json (company profile per corp_code, keyed API) (jurir_no)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://opendart.fss.or.kr/api/company.json?corp_code=00123781",
    "state": "sourced",
    "value": "South Korea (DART filer with a corporate registration number)"
   },
   "lei": {
    "market": "KR",
    "reason": "no GLEIF record registered as 410-81-05725",
    "state": "not_on_record"
   },
   "name": {
    "read_by": "DART company.json (company profile per corp_code, keyed API)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://opendart.fss.or.kr/api/company.json?corp_code=00123781",
    "state": "sourced",
    "value": "Bookook Steel"
   },
   "sector": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download) (업종)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "1차 철강 제조업"
   },
   "security_type": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "Corporate"
   },
   "segment": {
    "market": "KR",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "026940"
   },
   "website": {
    "read_by": "KIND (KRX) listed-company list (corpList.do download)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13",
    "state": "sourced",
    "value": "http://www.bks.co.kr"
   }
  },
  "licensed": {
   "columns": [
    "licensor",
    "entitlement",
    "title",
    "date",
    "source"
   ],
   "rows": [],
   "rule": "A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded."
  },
  "lifecycle": {
   "delisting": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "domicile_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "listing": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "name_change": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   },
   "segment_move": {
    "market": "KR",
    "reason": "no lifecycle type map for this register yet (SHELF-01: us and ca first)",
    "state": "not_on_record"
   }
  },
  "market": "KR",
  "node": "kr-cm-kg",
  "numbers_hash": "sha256:ea06ef27b060b32710470db51c5ed6f6d6fdf3f49484f93bdbf99057092b589c",
  "open_research": {
   "rows": [],
   "state": "not_read"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [],
   "determinable": false,
   "read": {
    "chapter": "https://mcp.kr-cm-kg.ai/book/aio.json",
    "door": "https://mcp.kr-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "reason": "the chapter's orderability section carries no client_categories: the outcome cannot name its client category",
   "rule_version": "acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1",
   "section": "kr.aio.v5"
  },
  "record": {
   "as_of": "2026-11-06",
   "url": "https://mcp.kr-cm-kg.ai/record/KOSPI/026940",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:ea06ef27b060b32710470db51c5ed6f6d6fdf3f49484f93bdbf99057092b589c",
 "path": "/kr/KOSPI/026940",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is Bookook Steel, listed on KOSPI under ticker 026940, ISIN KR7026940007. Its LEI is not on the record. Its security type is Corporate, its segment is not on the record, its sector is 1차 철강 제조업, and its jurisdiction is South Korea. The issuer is listed and not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 20 filings across 16 filing days in the twelve months to 2026-11-06. The median gap between filing days is 9 days. The median latency from the latest filing to the record date is 84 days for the issuer. The exchange median is 7.0 days for cadence and 7.0 days for latency, across 832 issuers and 49.0 filings. The sector median is 8.0 days for cadence and 9.0 days for latency, across 60 issuers and 33.0 filings. The latest filing is dated 2026-08-14 and is of type results.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor of record is 삼정회계법인, with its location not on the record. Auditor changes are not on the record.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "Listing, delisting, name change, domicile change and segment move are not on the record, because the register has no lifecycle type map yet. The issuer is listed and not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "The outcome is not determinable because the chapter's orderability section carries no client categories. The rule version is acm-68000/kr/suitability-and-appropriateness-fscma-articles-46-and-46-2/r1, and the chapter is as of 2026-11-04.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "The field has not been read.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "The field has not been read.",
   "title": "Open research"
  },
  {
   "id": "licensed",
   "text": "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.",
   "title": "Licensed"
  },
  {
   "id": "depth",
   "text": "The market's vintage is not sealed. The issuer has no sealed years. The live record began on 2026-09-12. Years 2021 through 2026 are sealed in the store but not served as of this date.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "8 source pages are named on this page; every value above carries its own source page and read date in the numbers.",
   "title": "Sources"
  }
 ],
 "sources": [
  {
   "for": "identity.exchange",
   "source": "https://kind.krx.co.kr/corpgeneral/corpList.do?method=download&searchType=13"
  },
  {
   "for": "identity.isin",
   "source": "https://data.krx.co.kr/comm/bldAttendant/getJsonData.cmd"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://opendart.fss.or.kr/api/company.json?corp_code=00123781"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.kr-cm-kg.ai/events/KOSPI/026940"
  },
  {
   "for": "the halt flag",
   "source": "https://kind.krx.co.kr/investwarn/tradinghaltissue.do?method=searchTradingHaltIssueMain"
  },
  {
   "for": "the auditor",
   "source": "https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000484"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.kr-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.kr-cm-kg.ai/record/KOSPI/026940"
  }
 ],
 "title": "Bookook Steel (026940) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}