{
 "as_of": "2026-11-06",
 "cmr": "ca-cm-kg/CBOE-CANADA/BRKY",
 "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# BERKSHIRE HATHAWAY (BRK) YIELD SHARES PURPOSE ETF (Cboe Canada: BRKY) — research page\n\nAs of 2026-11-06 · ca-cm-kg · record version 1\n\n## Identity and listing\n\nThe issuer is BERKSHIRE HATHAWAY (BRK) YIELD SHARES PURPOSE ETF, listed on Cboe Canada under ticker BRKY, with LEI 549300GTKVPMYW1VWN79. The ISIN is not on the record. The security type is ETF/ETP, the segment is not on the record, and the sector is not on the record. The jurisdiction is Canada (federal) (CA). The listing status is listed, not halted.\n\n## The disclosure read\n\nThe record holds 0 filings in the twelve months to 2026-11-06, on 0 filing days. The median gap between filing days is not on the record. The latest filing date is not on the record, and so the days from latest filing to the record date are not on the record. The latest filing type is not on the record. Exchange peers on Cboe Canada number 397, with a median cadence gap of 20.0 days, a median of 0 filings, and a median latency of 14.0 days. The sector peer comparison is not on the record.\n\n## Auditor\n\nThe auditor is not on the record, because the auditor was not searched for this fund-type security. The auditor location is not on the record, and the record holds no auditor changes.\n\n## Events and halts\n\nThe record holds no listing, delisting, name change, domicile change or segment move lines. The halt flag reads listed, not halted.\n\n## Orderability\n\nUnder the rule version acm-68000/ca/kyp-know-your-product-ni-31-103/r1, with the chapter as of 2026-11-04, the signal for Paragraph (o) of the definition is ACM-200 and is determinable. The signal for Paragraph (q) of the definition is ACM-200 and is determinable.\n\n## Coverage\n\nThe record holds no research houses named on the issuer's investor-relations page; none was found on the pages read.\n\n## Open research\n\nThe record holds no openly published research notes; none was found.\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 issuer's years are not sealed in the record, and the market's vintage is not sealed. The live record began on 2026-09-10. The years 2021, 2022, 2023, 2024, 2025 and 2026 are sealed in the store but not served as of a date; the as-of door answers not_sealed.\n\n## Sources\n\n6 source pages are named on this page; every value above carries its own source page and read date in the numbers.\n\n- https://www-api.cboe.com/ca/equities/listing-directory-data/ (identity.exchange)\n- https://api.gleif.org/api/v1/lei-records/549300GTKVPMYW1VWN79 (identity.jurisdiction)\n- https://mcp.ca-cm-kg.ai/events/CBOE-CANADA/BRKY (the disclosure lines)\n- https://iiroc.mediaroom.com/index.php?s=2429&l=100 (the halt flag)\n- https://mcp.ca-cm-kg.ai/book/aio.json (the orderability chapter)\n- https://mcp.ca-cm-kg.ai/record/CBOE-CANADA/BRKY (the record)\n",
 "market": "CA",
 "node": "ca-cm-kg",
 "numbers": {
  "as_of_depth": {
   "issuer_years_sealed": [],
   "live_record_began": "2026-09-10",
   "node_history_from": null,
   "node_years_sealed": [],
   "note": "6 years are sealed in the CA 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": {
    "market": "CA",
    "reason": "not searched (fund/receipt security)",
    "state": "not_on_record"
   },
   "auditor_firm_id": {
    "market": "CA",
    "state": "not_on_record"
   },
   "auditor_location": {
    "market": "CA",
    "state": "not_on_record"
   },
   "changes": []
  },
  "cmr": "ca-cm-kg/CBOE-CANADA/BRKY",
  "coverage": {
   "count": 0,
   "houses": [],
   "pages_checked": [],
   "read_by": "Perplexity sonar (search) · page read by this rail",
   "read_date": "2026-11-12",
   "since": null,
   "state": "none_found"
  },
  "disclosure": {
   "against": {
    "exchange": {
     "issuers": 397,
     "median_cadence_gap_days": 20,
     "median_filings": 0,
     "median_latency_days": 14,
     "name": "Cboe Canada"
    },
    "sector": {
     "market": "CA",
     "state": "not_on_record"
    }
   },
   "by_type": {},
   "cadence_median_gap_days": null,
   "filing_days": 0,
   "filings": 0,
   "latency_days": null,
   "latest": [],
   "latest_filing_date": null,
   "note": "no disclosure line on the record for this issuer in the window",
   "read": "the node's event lines (list_events_since), as get_filings serves them",
   "source": "https://mcp.ca-cm-kg.ai/events/CBOE-CANADA/BRKY",
   "window": {
    "from": "2025-11-06",
    "to": "2026-11-06"
   }
  },
  "identity": {
   "exchange": {
    "read_by": "cboe.com listing-directory API (exchange list)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www-api.cboe.com/ca/equities/listing-directory-data/",
    "state": "sourced",
    "value": "Cboe Canada"
   },
   "isin": {
    "market": "CA",
    "reason": "no ISIN found on issuer pages",
    "state": "not_on_record"
   },
   "jurisdiction": {
    "read_by": "GLEIF LEI record (LEI per the LEI column)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://api.gleif.org/api/v1/lei-records/549300GTKVPMYW1VWN79",
    "state": "sourced",
    "value": "Canada (federal) (CA)"
   },
   "lei": {
    "read_by": "GLEIF name-exact",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://api.gleif.org/api/v1/lei-records/549300GTKVPMYW1VWN79",
    "state": "sourced",
    "value": "549300GTKVPMYW1VWN79"
   },
   "name": {
    "read_by": "cboe.com listing-directory API (exchange list)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www-api.cboe.com/ca/equities/listing-directory-data/",
    "state": "sourced",
    "value": "BERKSHIRE HATHAWAY (BRK) YIELD SHARES PURPOSE ETF"
   },
   "sector": {
    "market": "CA",
    "reason": "exchange list carries no sector",
    "state": "not_on_record"
   },
   "security_type": {
    "read_by": null,
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": null,
    "state": "sourced",
    "value": "ETF/ETP"
   },
   "segment": {
    "market": "CA",
    "state": "not_on_record"
   },
   "ticker": {
    "read_by": "cboe.com listing-directory API (exchange list)",
    "read_date": "2026-11-06",
    "read_date_basis": "the record version as_of",
    "source": "https://www-api.cboe.com/ca/equities/listing-directory-data/",
    "state": "sourced",
    "value": "BRKY"
   },
   "website": {
    "market": "CA",
    "state": "not_on_record"
   }
  },
  "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": [],
   "domicile_change": [],
   "listing": [],
   "name_change": [],
   "segment_move": []
  },
  "market": "CA",
  "node": "ca-cm-kg",
  "numbers_hash": "sha256:4ae00395cea0e0c8a9512e29e01c52cd70ad654ba31cbf1187f0f037edb3169e",
  "open_research": {
   "read_date": "2026-11-12",
   "rows": [],
   "state": "none_found"
  },
  "orderability": {
   "chapter_as_of": "2026-11-04",
   "client_categories": [
    "Paragraph (o) of the definition",
    "Paragraph (q) of the definition"
   ],
   "outcomes": {
    "Paragraph (o) of the definition": {
     "determinable": true,
     "signal": "ACM-200"
    },
    "Paragraph (q) of the definition": {
     "determinable": true,
     "signal": "ACM-200"
    }
   },
   "read": {
    "basis": "one live read per instrument class, halt state and client category on this market; this issuer's group",
    "chapter": "https://mcp.ca-cm-kg.ai/book/aio.json",
    "door": "https://mcp.ca-cm-kg.ai/mcp",
    "tool": "get_orderability"
   },
   "rule_version": "acm-68000/ca/kyp-know-your-product-ni-31-103/r1",
   "section": "ca.aio.v11"
  },
  "record": {
   "as_of": "2026-11-06",
   "url": "https://mcp.ca-cm-kg.ai/record/CBOE-CANADA/BRKY",
   "version": 1
  },
  "schema": "research-numbers v0.1 (USR-01, 2026-11-11)",
  "status": {
   "read_date": "2026-11-08",
   "source": "https://iiroc.mediaroom.com/index.php?s=2429&l=100",
   "value": "listed, not halted"
  }
 },
 "numbers_hash": "sha256:4ae00395cea0e0c8a9512e29e01c52cd70ad654ba31cbf1187f0f037edb3169e",
 "path": "/ca/CBOE-CANADA/BRKY",
 "schema": "research-page v0.1 (USR-02, 2026-11-11)",
 "sections": [
  {
   "id": "identity",
   "text": "The issuer is BERKSHIRE HATHAWAY (BRK) YIELD SHARES PURPOSE ETF, listed on Cboe Canada under ticker BRKY, with LEI 549300GTKVPMYW1VWN79. The ISIN is not on the record. The security type is ETF/ETP, the segment is not on the record, and the sector is not on the record. The jurisdiction is Canada (federal) (CA). The listing status is listed, not halted.",
   "title": "Identity and listing"
  },
  {
   "id": "disclosure",
   "text": "The record holds 0 filings in the twelve months to 2026-11-06, on 0 filing days. The median gap between filing days is not on the record. The latest filing date is not on the record, and so the days from latest filing to the record date are not on the record. The latest filing type is not on the record. Exchange peers on Cboe Canada number 397, with a median cadence gap of 20.0 days, a median of 0 filings, and a median latency of 14.0 days. The sector peer comparison is not on the record.",
   "title": "The disclosure read"
  },
  {
   "id": "auditor",
   "text": "The auditor is not on the record, because the auditor was not searched for this fund-type security. The auditor location is not on the record, and the record holds no auditor changes.",
   "title": "Auditor"
  },
  {
   "id": "events",
   "text": "The record holds no listing, delisting, name change, domicile change or segment move lines. The halt flag reads listed, not halted.",
   "title": "Events and halts"
  },
  {
   "id": "orderability",
   "text": "Under the rule version acm-68000/ca/kyp-know-your-product-ni-31-103/r1, with the chapter as of 2026-11-04, the signal for Paragraph (o) of the definition is ACM-200 and is determinable. The signal for Paragraph (q) of the definition is ACM-200 and is determinable.",
   "title": "Orderability"
  },
  {
   "id": "coverage",
   "text": "The record holds no research houses named on the issuer's investor-relations page; none was found on the pages read.",
   "title": "Coverage"
  },
  {
   "id": "open_research",
   "text": "The record holds no openly published research notes; none was found.",
   "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 issuer's years are not sealed in the record, and the market's vintage is not sealed. The live record began on 2026-09-10. The years 2021, 2022, 2023, 2024, 2025 and 2026 are sealed in the store but not served as of a date; the as-of door answers not_sealed.",
   "title": "As-of depth"
  },
  {
   "id": "sources",
   "text": "6 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://www-api.cboe.com/ca/equities/listing-directory-data/"
  },
  {
   "for": "identity.jurisdiction",
   "source": "https://api.gleif.org/api/v1/lei-records/549300GTKVPMYW1VWN79"
  },
  {
   "for": "the disclosure lines",
   "source": "https://mcp.ca-cm-kg.ai/events/CBOE-CANADA/BRKY"
  },
  {
   "for": "the halt flag",
   "source": "https://iiroc.mediaroom.com/index.php?s=2429&l=100"
  },
  {
   "for": "the orderability chapter",
   "source": "https://mcp.ca-cm-kg.ai/book/aio.json"
  },
  {
   "for": "the record",
   "source": "https://mcp.ca-cm-kg.ai/record/CBOE-CANADA/BRKY"
  }
 ],
 "title": "BERKSHIRE HATHAWAY (BRK) YIELD SHARES PURPOSE ETF (BRKY) — research page",
 "writer": {
  "by": "Claude through the platform account, Haiku class; one pass; checked against the numbers",
  "engine": "claude-haiku-5-5"
 }
}