> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chicago.global/llms.txt
> Use this file to discover all available pages before exploring further.

# Rolling Volatility

> Get rolling volatility for a symbol over a specified date range.



## OpenAPI

````yaml GET /v1/rolling-volatility
openapi: 3.1.0
info:
  title: Parallax API
  description: >-
    Parallax by Chicago Global — AI-powered investment research and portfolio
    analytics. Multi-factor scoring, portfolio analysis and tracking, financial
    statements, analyst estimates, ETF analytics, valuation (DCF & multiples),
    macro and market telemetry, and AI-generated research reports.
  version: 1.1.0
servers:
  - url: https://api.chicago.global
security:
  - HTTPBearer: []
paths:
  /v1/rolling-volatility:
    get:
      tags:
        - v1
        - Price Data
      summary: Rolling Volatility
      description: Get rolling volatility for a symbol over a specified date range.
      operationId: rolling_volatility_v1_rolling_volatility_get
      parameters:
        - name: start_date
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Start date in YYYY-MM-DD format
            examples:
              - '2024-01-01'
            title: Start Date
          description: Start date in YYYY-MM-DD format
        - name: end_date
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: End date in YYYY-MM-DD format
            examples:
              - '2024-12-31'
            title: End Date
          description: End date in YYYY-MM-DD format
        - name: window
          in: query
          required: false
          schema:
            type: integer
            maximum: 1000
            minimum: 1
            description: 'Rolling window size in days (default: 252)'
            default: 252
            title: Window
          description: 'Rolling window size in days (default: 252)'
        - name: symbol
          in: query
          required: true
          schema:
            type: string
            description: Stock symbol(s). Single or comma-separated
            examples:
              - AAPL
              - AAPL,MSFT,GOOG
            title: Symbol
          description: Stock symbol(s). Single or comma-separated
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '404':
          description: Not found
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
        '500':
          description: Internal server error
      security:
        - HTTPBearer: []
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer

````