MarketMovers

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/alpaca/json-schema/alpaca-market-movers-response-schema.json",
  "title": "MarketMovers",
  "description": "Contains list of market movers ",
  "x-generated": "2026-11-05",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/alpaca-screener-api-openapi.yml#/components/schemas/MarketMoversResponse",
  "type": "object",
  "properties": {
    "gainers": {
      "type": "array",
      "description": "List of top N gainers",
      "items": {
        "$ref": "#/$defs/MarketMoverAsset"
      }
    },
    "losers": {
      "description": "List of top N losers",
      "type": "array",
      "items": {
        "$ref": "#/$defs/MarketMoverAsset"
      }
    },
    "market_type": {
      "type": "string",
      "enum": [
        "stocks",
        "crypto"
      ],
      "description": "Market type (stocks or crypto)"
    },
    "last_updated": {
      "type": "string",
      "description": "Time the movers where last computed"
    }
  },
  "required": [
    "gainers",
    "losers",
    "market_type",
    "last_updated"
  ],
  "$defs": {
    "MarketMoverAsset": {
      "title": "MarketMoverAsset",
      "type": "object",
      "description": "Name or source of given news article",
      "x-internal": true,
      "properties": {
        "symbol": {
          "type": "string",
          "description": "Symbol of market moving asset"
        },
        "percent_change": {
          "type": "number",
          "description": "Percentage difference change for the day"
        },
        "change": {
          "type": "number",
          "description": "Difference in change for the day"
        },
        "price": {
          "type": "number",
          "description": "Current price of market moving asset"
        }
      },
      "required": [
        "symbol",
        "percent_change",
        "change",
        "price"
      ]
    }
  }
}