{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "OlapPeriodCollectionStatisticsResponse",
  "type": "object",
  "properties": {
    "id": {
      "$ref": "#/components/schemas/CollectionId"
    },
    "period": {
      "$ref": "#/components/schemas/OlapPeriod"
    },
    "volume": {
      "description": "Period (e.g., 1-day) worth of all transactions with items in this collection",
      "$ref": "#/components/schemas/OlapPriceWithUsd"
    },
    "floorChangePercent": {
      "description": "Change in floor price in percent during the period.",
      "type": "number",
      "format": "bigdecimal"
    }
  },
  "required": [
    "period",
    "volume"
  ]
}