openapi: 3.1.0
info:
  title: Murex MX.3 Market Data Accounting P&L API
  description: Real-time and historical market data API providing quotes, yield curves, volatility surfaces, and reference data for pricing and valuation on the Murex MX.3 platform.
  version: '1.0'
  contact:
    name: Murex Support
    url: https://www.murex.com/en/support
  termsOfService: https://www.murex.com/en/legal/terms
servers:
- url: https://api.murex.com/v1/marketdata
  description: Murex MX.3 Market Data API
security:
- bearerAuth: []
tags:
- name: P&L
  description: Profit and loss calculations and reporting
paths:
  /pnl:
    get:
      operationId: getPnL
      summary: Murex Get P&L report
      description: Retrieve profit and loss calculations including realized, unrealized, and total P&L with attribution by risk factor.
      tags:
      - P&L
      parameters:
      - $ref: '#/components/parameters/portfolioId'
      - $ref: '#/components/parameters/deskId'
      - name: fromDate
        in: query
        description: Start date for P&L period
        schema:
          type: string
          format: date
      - name: toDate
        in: query
        description: End date for P&L period
        schema:
          type: string
          format: date
      - name: currency
        in: query
        description: Reporting currency
        schema:
          type: string
      responses:
        '200':
          description: P&L report
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PnLReport'
        '401':
          description: Unauthorized
  /pnl/explain:
    get:
      operationId: getPnLExplain
      summary: Murex Get P&L explanation
      description: Retrieve P&L attribution and explanation decomposed by risk factors including market moves, theta, new deals, and amendments.
      tags:
      - P&L
      parameters:
      - $ref: '#/components/parameters/portfolioId'
      - name: date
        in: query
        required: true
        description: P&L explanation date
        schema:
          type: string
          format: date
      responses:
        '200':
          description: P&L explanation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PnLExplain'
        '401':
          description: Unauthorized
components:
  schemas:
    PnLExplain:
      type: object
      properties:
        portfolioId:
          type: string
        date:
          type: string
          format: date
        totalPnL:
          type: number
          description: Total P&L for the day
        currency:
          type: string
        attribution:
          type: object
          properties:
            marketMoves:
              type: number
              description: P&L from market movements
            theta:
              type: number
              description: P&L from time decay
            newDeals:
              type: number
              description: P&L from new deal entries
            amendments:
              type: number
              description: P&L from trade amendments
            cashflows:
              type: number
              description: P&L from settled cash flows
            fxTranslation:
              type: number
              description: P&L from FX translation effects
            unexplained:
              type: number
              description: Unexplained residual P&L
    PnLReport:
      type: object
      properties:
        portfolioId:
          type: string
        fromDate:
          type: string
          format: date
        toDate:
          type: string
          format: date
        currency:
          type: string
          description: Reporting currency
        realizedPnL:
          type: number
          description: Total realized P&L
        unrealizedPnL:
          type: number
          description: Total unrealized P&L
        totalPnL:
          type: number
          description: Total P&L (realized + unrealized)
        byAssetClass:
          type: array
          items:
            type: object
            properties:
              assetClass:
                type: string
              realizedPnL:
                type: number
              unrealizedPnL:
                type: number
              totalPnL:
                type: number
  parameters:
    portfolioId:
      name: portfolioId
      in: query
      description: Portfolio or book identifier
      schema:
        type: string
    deskId:
      name: deskId
      in: query
      description: Trading desk identifier
      schema:
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: OAuth 2.0 bearer token for MX.3 API access
externalDocs:
  description: Murex MX.3 Market Data API Documentation
  url: https://docs.murex.com/mx3/marketdata-api