openapi: 3.1.0 info: title: J-Quants Derivatives Prices API description: 'Japanese stock market data API by JPX. Provides stock prices, financial data, dividends, splits, indices, and derivatives information for Japanese equities. ' version: '2.0' contact: name: J-Quants url: https://jpx-jquants.com/ servers: - url: https://api.jquants.com/v1 description: J-Quants v1 (legacy, scheduled to be discontinued) - url: https://api.jquants.com/v2 description: J-Quants v2 security: - idToken: [] tags: - name: Prices paths: /prices/daily_quotes: get: summary: Stock prices (OHLC) operationId: getDailyQuotes parameters: - in: query name: code schema: type: string - in: query name: date schema: type: string - in: query name: from schema: type: string - in: query name: to schema: type: string responses: '200': description: OK tags: - Prices /prices/prices_am: get: summary: Morning session stock prices (OHLC) operationId: getMorningQuotes parameters: - in: query name: code schema: type: string responses: '200': description: OK tags: - Prices components: securitySchemes: idToken: type: apiKey in: header name: Authorization description: Bearer ID token issued via /token/auth_refresh apiKey: type: apiKey in: header name: x-api-key