{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://finlight.me/schemas/listing.json",
  "title": "Listing",
  "description": "A stock exchange listing for a company",
  "type": "object",
  "required": ["ticker", "exchangeCode", "exchangeCountry"],
  "properties": {
    "ticker": {
      "type": "string",
      "description": "Ticker symbol on this exchange",
      "examples": ["AAPL", "NVDA"]
    },
    "exchangeCode": {
      "type": "string",
      "description": "ISO 10383 Market Identifier Code (MIC) for the exchange",
      "examples": ["XNAS", "XNYS", "XLON"]
    },
    "exchangeCountry": {
      "type": "string",
      "pattern": "^[A-Z]{2}$",
      "description": "ISO 3166-1 alpha-2 country code of the exchange",
      "examples": ["US", "GB", "DE"]
    }
  },
  "additionalProperties": false
}