> ## 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.

# Telemetry Factor

> Factor lens — momentum, value, quality, size, defensive, tactical factor performance.

**Default (~2.2KB):** `factors`, `commentary`, `split_methods`

**Opt-in large fields:**
- `portfolios` (~107KB total, ~2–3KB with `market=US`)
- `timeseries` (~592KB) — explicit opt-in only
- `correlations` (~767KB) — explicit opt-in only

`commentary` sub-keys: `regime`, `dominant_factor`, `headline`, `paragraphs`, `model`, `generated_at`



## OpenAPI

````yaml GET /v1/telemetry/factor
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/telemetry/factor:
    get:
      tags:
        - v1
        - Telemetry
      summary: Get Telemetry Factor
      description: >-
        Factor lens — momentum, value, quality, size, defensive, tactical factor
        performance.


        **Default (~2.2KB):** `factors`, `commentary`, `split_methods`


        **Opt-in large fields:**

        - `portfolios` (~107KB total, ~2–3KB with `market=US`)

        - `timeseries` (~592KB) — explicit opt-in only

        - `correlations` (~767KB) — explicit opt-in only


        `commentary` sub-keys: `regime`, `dominant_factor`, `headline`,
        `paragraphs`, `model`, `generated_at`
      operationId: get_telemetry_factor_v1_telemetry_factor_get
      parameters:
        - name: date
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: Report date (YYYY-MM-DD). Defaults to latest.
            title: Date
          description: Report date (YYYY-MM-DD). Defaults to latest.
        - name: fields
          in: query
          required: false
          schema:
            anyOf:
              - items:
                  type: string
                type: array
              - type: 'null'
            description: >-
              Sub-fields to include. Default: factors, commentary, split_methods
              (~2.2KB). Opt-in: portfolios (~107KB), timeseries (~592KB),
              correlations (~767KB).
            title: Fields
          description: >-
            Sub-fields to include. Default: factors, commentary, split_methods
            (~2.2KB). Opt-in: portfolios (~107KB), timeseries (~592KB),
            correlations (~767KB).
        - name: market
          in: query
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: >-
              Filter portfolios and split_methods to one market, e.g. US. Only
              applies when portfolios is in fields.
            title: Market
          description: >-
            Filter portfolios and split_methods to one market, e.g. US. Only
            applies when portfolios is in fields.
      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

````