Alpaca Screener API

The Screener API from Alpaca — 1 operation(s) for screener.

Business capability
Market & Financial Data AE-230.20

Operations 2

GET /v1beta1/screener/{market_type}/movers Top market movers #
GET /v1beta1/screener/stocks/most-actives Most active stocks #

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OpenAPI Specification

alpaca-screener-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  contact:
    email: support@alpaca.markets
    name: Alpaca Support
    url: https://alpaca.markets/support
  description: Access real-time and historical market data for US equities, options, crypto, and foreign exchange data through the Alpaca REST and WebSocket APIs. There are APIs for Stock Pricing, Option Pricing, Crypto Pricing, Forex, Logos, Fixed income, Corporate Actions, Screener, and News.
  license:
    name: Creative Commons Attribution Share Alike 4.0 International
    url: https://spdx.org/licenses/CC-BY-SA-4.0.html
  termsOfService: https://s3.amazonaws.com/files.alpaca.markets/disclosures/library/TermsAndConditions.pdf
  title: Market Data Screener API
  version: '1.1'
servers:
- description: Production
  url: https://data.alpaca.markets
- description: Sandbox
  url: https://data.sandbox.alpaca.markets
tags:
- description: Endpoints for most active stocks and top movers.
  name: Screener
paths:
  /v1beta1/screener/{market_type}/movers:
    get:
      description: 'Returns the top market movers (gainers and losers) based on real time SIP data.

        The change for each symbol is calculated from the previous closing price and the latest closing price.


        For stocks, the endpoint resets at market open. Until then, it shows the previous market day''s movers.

        The data is split-adjusted. Only tradable symbols in exchanges are included.


        For crypto, the endpoint resets at midnight.'
      operationId: Movers
      parameters:
      - $ref: '#/components/parameters/movers_market_type'
      - $ref: '#/components/parameters/movers_top'
      responses:
        '200':
          content:
            application/json:
              examples:
                movers:
                  value:
                    gainers:
                    - change: 2.46
                      percent_change: 145.56
                      price: 4.15
                      symbol: AGRI
                    - change: 0.03
                      percent_change: 85.63
                      price: 0.0594
                      symbol: GRCYW
                    last_updated: '2022-03-10T17:53:30.088309839Z'
                    losers:
                    - change: -0.26
                      percent_change: -63.07
                      price: 0.1502
                      symbol: MTACW
                    - change: -3.61
                      percent_change: -51.21
                      price: 3.435
                      symbol: TIG
                    market_type: stocks
              schema:
                $ref: '#/components/schemas/movers_resp'
          description: OK
          headers:
            X-RateLimit-Limit:
              $ref: '#/components/headers/ratelimit_limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/ratelimit_remaining'
            X-RateLimit-Reset:
              $ref: '#/components/headers/ratelimit_reset'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      security:
      - apiKey: []
        apiSecret: []
      - BasicAuth: []
      summary: Top market movers
      tags:
      - Screener
  /v1beta1/screener/stocks/most-actives:
    get:
      description: Returns the most active stocks by volume or trade count based on real time SIP data. By default, returns the top 10 symbols by volume.
      operationId: MostActives
      parameters:
      - $ref: '#/components/parameters/most_actives_by'
      - $ref: '#/components/parameters/most_actives_top'
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/most_actives_resp'
          description: OK
          headers:
            X-RateLimit-Limit:
              $ref: '#/components/headers/ratelimit_limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/ratelimit_remaining'
            X-RateLimit-Reset:
              $ref: '#/components/headers/ratelimit_reset'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '429':
          $ref: '#/components/responses/429'
        '500':
          $ref: '#/components/responses/500'
      security:
      - apiKey: []
        apiSecret: []
      - BasicAuth: []
      summary: Most active stocks
      tags:
      - Screener
components:
  schemas:
    market_type:
      description: Market type (stocks or crypto).
      enum:
      - stocks
      - crypto
      type: string
    most_actives_resp:
      properties:
        last_updated:
          description: 'Time when the most actives were last computed. Formatted as a RFC-3339 date-time with nanosecond precision.

            '
          type: string
        most_actives:
          description: List of top N most active symbols.
          items:
            $ref: '#/components/schemas/most_active'
          type: array
      required:
      - most_actives
      - last_updated
      type: object
    movers_resp:
      description: Contains list of market movers.
      properties:
        gainers:
          description: List of top N gainers.
          items:
            $ref: '#/components/schemas/mover'
          type: array
        last_updated:
          description: 'Time when the movers were last computed. Formatted as a RFC-3339 date-time with nanosecond precision.

            '
          type: string
        losers:
          description: List of top N losers.
          items:
            $ref: '#/components/schemas/mover'
          type: array
        market_type:
          $ref: '#/components/schemas/market_type'
      required:
      - gainers
      - losers
      - market_type
      - last_updated
      type: object
    mover:
      description: A symbol whose price moved significantly.
      examples:
      - change: 2.46
        percent_change: 145.56
        price: 4.15
        symbol: AGRI
      properties:
        change:
          description: Difference in change for the day.
          format: double
          type: number
        percent_change:
          description: Percentage difference change for the day.
          format: double
          type: number
        price:
          description: Current price of market moving asset.
          format: double
          type: number
        symbol:
          description: Symbol of market moving asset.
          type: string
      required:
      - symbol
      - percent_change
      - change
      - price
      title: Mover
      type: object
    most_active:
      description: A stock that is most active by either volume or trade count.
      examples:
      - symbol: AAPL
        trade_count: 639626
        volume: 122709184
      properties:
        symbol:
          type: string
        trade_count:
          description: Cumulative trade count for the current trading day.
          format: int64
          type: integer
        volume:
          description: Cumulative volume for the current trading day.
          format: int64
          type: integer
      required:
      - symbol
      - volume
      - trade_count
      type: object
  headers:
    ratelimit_reset:
      description: The UNIX epoch when the remaining quota changes.
      example: 1674044551
      schema:
        type: integer
    ratelimit_limit:
      description: Request limit per minute.
      example: 100
      schema:
        type: integer
    ratelimit_remaining:
      description: Request limit per minute remaining.
      example: 90
      schema:
        type: integer
  responses:
    '403':
      description: 'The requested resource is forbidden.

        '
    '500':
      description: 'Internal server error. We recommend retrying these later. If the issue persists, please contact us on [Slack](https://alpaca.markets/slack) or on the [Community Forum](https://forum.alpaca.markets/).

        '
    '429':
      description: 'Too many requests. You hit the rate limit. Use the X-RateLimit-... response headers to make sure you''re under the rate limit.

        '
      headers:
        X-RateLimit-Limit:
          $ref: '#/components/headers/ratelimit_limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/ratelimit_remaining'
        X-RateLimit-Reset:
          $ref: '#/components/headers/ratelimit_reset'
    '401':
      description: 'Authentication headers are missing or invalid. Make sure you authenticate your request with a valid API key.

        '
    '400':
      description: 'One of the request parameters is invalid. See the returned message for details.

        '
      headers:
        X-RateLimit-Limit:
          $ref: '#/components/headers/ratelimit_limit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/ratelimit_remaining'
        X-RateLimit-Reset:
          $ref: '#/components/headers/ratelimit_reset'
  parameters:
    most_actives_by:
      description: The metric used for ranking the most active stocks.
      in: query
      name: by
      required: false
      schema:
        default: volume
        enum:
        - volume
        - trades
        type: string
    most_actives_top:
      description: The number of top most active stocks to fetch per day.
      in: query
      name: top
      required: false
      schema:
        default: 10
        format: int32
        maximum: 100
        minimum: 1
        type: integer
    movers_market_type:
      description: Screen-specific market (stocks or crypto).
      in: path
      name: market_type
      required: true
      schema:
        $ref: '#/components/schemas/market_type'
    movers_top:
      description: 'Number of top market movers to fetch (gainers and losers). Will return this number of results for each. By default, 10 gainers and 10 losers.

        '
      in: query
      name: top
      required: false
      schema:
        default: 10
        format: int32
        maximum: 50
        minimum: 1
        type: integer
  securitySchemes:
    BasicAuth:
      scheme: basic
      type: http
    apiKey:
      in: header
      name: APCA-API-KEY-ID
      type: apiKey
    apiSecret:
      in: header
      name: APCA-API-SECRET-KEY
      type: apiKey