{
  "id": "BRD-048",
  "slug": "brd-048",
  "title": "The stock exchange must be a recognised enum value",
  "statement": "A public company's stock exchange must be one of the supported registry values.",
  "rationale": "The exchange and symbol together are how a public brand is matched to a listing, so a free-text exchange name matches nothing and drops the brand out of the public-company path it was registered for. People type what they say aloud — \"Nasdaq\", \"New York Stock Exchange\" — rather than the code the enum wants.",
  "layer": "BRAND",
  "layerSlug": "brand",
  "object": "brand.stock_exchange",
  "severity": "BLOCKING",
  "detectability": [
    "DETERMINISTIC"
  ],
  "failureClass": "RETRY_FIELD",
  "authorities": [
    "TCR",
    "Telnyx"
  ],
  "applicability": {
    "entityTypes": [
      "PUBLIC_PROFIT"
    ]
  },
  "applicabilityText": "Applies when the brand is a public company.",
  "universal": false,
  "remediation": "Pick the exchange code from the registry list rather than typing the name. Done when the value is one of the short codes — NASDAQ, NYSE, LON, TSX and the rest — in upper case.",
  "example": "stock_exchange: NASDAQ · stock_symbol: ACME",
  "phase": "approval",
  "automated": true,
  "url": "https://ekas.io/rules/10dlc/brand/brd-048/",
  "markdown": "https://ekas.io/rules/10dlc/brand/brd-048.md",
  "registry": "https://ekas.io/rules/10dlc/",
  "updated": "2026-07-25",
  "licence": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/"
}