{
  "type": "object",
  "properties": {
    "symbol": {
      "type": "string",
      "description": "The symbol of the trade good."
    },
    "tradeVolume": {
      "type": "integer",
      "description": "The typical volume flowing through the market for this type of good. The larger the trade volume, the more stable prices will be.",
      "minimum": 10
    },
    "supply": {
      "type": "string",
      "description": "A rough estimate of the total supply of this good in the marketplace.",
      "enum": [
        "SCARCE",
        "LIMITED",
        "MODERATE",
        "ABUNDANT"
      ]
    },
    "purchasePrice": {
      "type": "integer",
      "description": "The price at which this good can be purchased from the market.",
      "minimum": 0
    },
    "sellPrice": {
      "type": "integer",
      "description": "The price at which this good can be sold to the market.",
      "minimum": 0
    }
  },
  "required": [
    "symbol",
    "tradeVolume",
    "supply",
    "purchasePrice",
    "sellPrice"
  ]
}