openapi: 3.1.0
info:
  title: Bloomberg Buyside Enterprise Solutions Bloomberg Analytics Allocations Holdings API
  description: Access to Bloomberg's analytics engine for fixed income, derivatives, and multi-asset calculations including scenario analysis, stress testing, yield curve construction, and pricing models. Part of Bloomberg's buy-side enterprise solutions for institutional investors.
  version: '1.0'
  contact:
    name: Bloomberg Support
    url: https://www.bloomberg.com/professional/support/
  termsOfService: https://www.bloomberg.com/professional/terms-of-use/
servers:
- url: https://api.bloomberg.com/analytics
  description: Bloomberg Analytics API Production
security:
- bearerAuth: []
tags:
- name: Holdings
  description: Manage portfolio holdings and positions
paths:
  /v1/portfolios/{portfolioId}/holdings:
    get:
      operationId: getPortfolioHoldings
      summary: Bloomberg Buyside Enterprise Solutions Get portfolio holdings
      description: Retrieve the current holdings of a portfolio as of a specified date, including position quantities, market values, weights, and unrealized gains/losses.
      tags:
      - Holdings
      parameters:
      - $ref: '#/components/parameters/portfolioId'
      - name: asOfDate
        in: query
        description: Holdings as of this date (defaults to current date)
        schema:
          type: string
          format: date
      - name: includeAnalytics
        in: query
        description: Include analytics fields for each holding
        schema:
          type: boolean
          default: false
      responses:
        '200':
          description: Portfolio holdings
          content:
            application/json:
              schema:
                type: object
                properties:
                  portfolioId:
                    type: string
                  asOfDate:
                    type: string
                    format: date
                  totalMarketValue:
                    type: number
                  currency:
                    type: string
                  holdings:
                    type: array
                    items:
                      $ref: '#/components/schemas/Holding'
        '401':
          description: Unauthorized
        '404':
          description: Portfolio not found
    put:
      operationId: updatePortfolioHoldings
      summary: Bloomberg Buyside Enterprise Solutions Update portfolio holdings
      description: Replace the full set of holdings for a portfolio as of a specified date. This is a full replacement operation.
      tags:
      - Holdings
      parameters:
      - $ref: '#/components/parameters/portfolioId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateHoldingsRequest'
      responses:
        '200':
          description: Holdings updated successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  portfolioId:
                    type: string
                  holdingsCount:
                    type: integer
                  asOfDate:
                    type: string
                    format: date
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
        '404':
          description: Portfolio not found
components:
  schemas:
    Holding:
      type: object
      properties:
        security:
          type: string
          description: Bloomberg security identifier
        name:
          type: string
          description: Security name
        assetClass:
          type: string
          description: Asset class
        quantity:
          type: number
          description: Number of shares or units held
        marketValue:
          type: number
          description: Current market value in portfolio base currency
        costBasis:
          type: number
          description: Total cost basis
        weight:
          type: number
          description: Portfolio weight as a percentage
        unrealizedGainLoss:
          type: number
          description: Unrealized gain or loss
        unrealizedGainLossPct:
          type: number
          description: Unrealized gain or loss as a percentage
        sector:
          type: string
          description: GICS sector classification
        country:
          type: string
          description: Country of risk (ISO 3166)
        currency:
          type: string
          description: Security currency (ISO 4217)
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            details:
              type: array
              items:
                type: object
                properties:
                  field:
                    type: string
                  message:
                    type: string
    UpdateHoldingsRequest:
      type: object
      required:
      - asOfDate
      - holdings
      properties:
        asOfDate:
          type: string
          format: date
          description: Date for which holdings are effective
        holdings:
          type: array
          items:
            type: object
            required:
            - security
            - quantity
            properties:
              security:
                type: string
                description: Bloomberg security identifier
              quantity:
                type: number
                description: Number of shares or units
              costBasis:
                type: number
                description: Cost basis per unit
  parameters:
    portfolioId:
      name: portfolioId
      in: path
      required: true
      description: Unique portfolio identifier
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bloomberg API bearer token obtained via OAuth 2.0 authentication
externalDocs:
  description: Bloomberg Analytics Documentation
  url: https://www.bloomberg.com/professional/product/analytics/