{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://finlight.me/schemas/company.json",
  "title": "Company",
  "description": "A publicly listed company entity extracted and tagged from a financial news article",
  "type": "object",
  "required": ["companyId", "name", "ticker"],
  "properties": {
    "companyId": {
      "type": "integer",
      "description": "Finlight internal company identifier"
    },
    "confidence": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "description": "Confidence score for entity extraction (0.0 to 1.0)"
    },
    "country": {
      "type": "string",
      "pattern": "^[A-Z]{2}$",
      "description": "ISO 3166-1 alpha-2 country code of the company headquarters"
    },
    "exchange": {
      "type": "string",
      "description": "Primary exchange where the company is listed",
      "examples": ["NASDAQ", "NYSE", "LSE"]
    },
    "industry": {
      "type": "string",
      "description": "Industry classification"
    },
    "sector": {
      "type": "string",
      "description": "Sector classification",
      "examples": ["Technology", "Healthcare", "Financials"]
    },
    "name": {
      "type": "string",
      "description": "Full company name",
      "examples": ["Apple Inc.", "NVIDIA Corporation"]
    },
    "ticker": {
      "type": "string",
      "description": "Primary stock ticker symbol",
      "examples": ["AAPL", "NVDA", "MSFT"]
    },
    "isin": {
      "type": "string",
      "pattern": "^[A-Z]{2}[A-Z0-9]{9}[0-9]$",
      "description": "International Securities Identification Number",
      "examples": ["US0378331005"]
    },
    "openfigi": {
      "type": "string",
      "description": "OpenFIGI financial instrument global identifier"
    },
    "primaryListing": {
      "$ref": "listing.json"
    },
    "isins": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "All ISIN identifiers associated with the company across listings"
    },
    "otherListings": {
      "type": "array",
      "items": {
        "$ref": "listing.json"
      },
      "description": "Secondary exchange listings for the company"
    }
  },
  "additionalProperties": false
}