{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/sandp-global/json-schema/price-assessment.json",
  "title": "S&P Global Price Assessment",
  "description": "Schema for a S&P Global Commodity Insights price assessment record, representing a benchmark commodity price as assessed by Platts editors.",
  "type": "object",
  "required": ["symbol", "assessDate", "value", "unit", "currency"],
  "properties": {
    "symbol": {
      "type": "string",
      "description": "Platts symbol code uniquely identifying the commodity assessment",
      "examples": ["PCAAS00", "AAQZB00"]
    },
    "assessDate": {
      "type": "string",
      "format": "date",
      "description": "The date of the price assessment in ISO 8601 format"
    },
    "value": {
      "type": "number",
      "format": "double",
      "description": "The assessed price value"
    },
    "unit": {
      "type": "string",
      "description": "Unit of measure for the price",
      "examples": ["BBL", "MT", "MMBTU", "GAL", "TON"]
    },
    "currency": {
      "type": "string",
      "pattern": "^[A-Z]{3}$",
      "description": "ISO 4217 currency code",
      "examples": ["USD", "EUR", "GBP"]
    },
    "modDate": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of last modification"
    },
    "bate": {
      "type": "string",
      "description": "Buy/Ask/Trade/Estimate indicator"
    }
  },
  "additionalProperties": false
}