{
  "schemaVersion": 1,
  "timestampSemantics": "The original source timestamp integer is preserved unchanged. The release builder does not apply timezone conversion.",
  "daily": {
    "timestamp": {
      "type": "int64",
      "description": "Original source timestamp integer, unchanged."
    },
    "open": {
      "type": "float64",
      "description": "Opening price."
    },
    "high": {
      "type": "float64",
      "description": "High price."
    },
    "low": {
      "type": "float64",
      "description": "Low price."
    },
    "close": {
      "type": "float64",
      "description": "Closing/settlement price as supplied by the source."
    },
    "volume": {
      "type": "int64",
      "nullable": true,
      "description": "Reported volume when available."
    },
    "open_interest": {
      "type": "int64",
      "nullable": true,
      "description": "Reported open interest for daily observations when available."
    },
    "contract_name": {
      "type": "string",
      "description": "Human-readable futures root/contract family name."
    },
    "dataset": {
      "type": "string",
      "description": "Public dataset family."
    },
    "exchange": {
      "type": "string",
      "description": "Exchange code supplied by the source manifest."
    },
    "contract_code": {
      "type": "string",
      "description": "Individual futures contract code."
    }
  },
  "minute": {
    "timestamp": {
      "type": "int64",
      "description": "Original source timestamp integer, unchanged."
    },
    "open": {
      "type": "float64",
      "description": "Opening price."
    },
    "high": {
      "type": "float64",
      "description": "High price."
    },
    "low": {
      "type": "float64",
      "description": "Low price."
    },
    "close": {
      "type": "float64",
      "description": "Closing price."
    },
    "volume": {
      "type": "int64",
      "nullable": true,
      "description": "Reported volume when available."
    },
    "contract_name": {
      "type": "string",
      "description": "Human-readable futures root/contract family name."
    },
    "dataset": {
      "type": "string",
      "description": "Public dataset family."
    },
    "exchange": {
      "type": "string",
      "description": "Exchange code supplied by the source manifest."
    },
    "contract_code": {
      "type": "string",
      "description": "Individual futures contract code."
    }
  }
}