> ## Documentation Index > Fetch the complete documentation index at: https://docs.rangler.co/llms.txt > Use this file to discover all available pages before exploring further. # Compare NGX company chart series > Return Core-aligned daily chart values for a primary company and up to three peers. Requires paid access. ## OpenAPI ````yaml /openapi.json get /v1/companies/{company_ref}/chart/compare openapi: 3.1.0 info: title: Rangler API version: 1.0.0 description: >- Customer-facing Rangler API for companies, standardized financials, filings, funds, market data, events, and webhooks. servers: - url: https://api.rangler.co description: Live - url: https://sandbox-api.rangler.co description: Sandbox security: [] tags: - name: Analyst estimates description: Consensus forecasts, revisions, contributor accuracy, and source evidence. - name: Analyst recommendations description: Analyst ratings, target-price views, and company recommendation history. - name: Calendar description: Company events and calendar exports. - name: Companies description: >- Company lookup, issuer details, dividends, daily trades, meeting media, and mentions. - name: Events description: >- Read earlier events and check for missed deliveries across the market, a company, or a fund. - name: Financials description: >- Standardized financial statements, reported tables, ratios, and links to filing sources. - name: Filings description: Filings, board changes, insider dealings, and extracted filing mentions. - name: Funds description: Fund directories, disclosures, snapshots, holdings, and performance data. - name: Markets description: Market directories and regular-session clock data. - name: News description: Company news developments and company-filtered news search. paths: /v1/companies/{company_ref}/chart/compare: get: tags: - Companies summary: Compare NGX company chart series description: >- Return Core-aligned daily chart values for a primary company and up to three peers. Requires paid access. operationId: get_v1_companies_company_ref_chart_compare parameters: - name: company_ref in: path required: true schema: type: string minLength: 1 maxLength: 64 description: Primary NGX ticker symbol or Rangler company UUID. title: Company Ref description: Primary NGX ticker symbol or Rangler company UUID. - name: compare in: query required: false schema: anyOf: - items: type: string type: array - type: 'null' description: >- NGX ticker or company UUID to compare. Up to three distinct peers are returned. title: Compare description: >- NGX ticker or company UUID to compare. Up to three distinct peers are returned. - name: period in: query required: false schema: enum: - 1d - 1w - 1m - 3m - ytd - 1y - all type: string description: >- Primary lookback window used when from is omitted. Older period values remain accepted for existing integrations and are listed in the price-chart guide. default: 1y title: Period description: >- Primary lookback window used when from is omitted. Older period values remain accepted for existing integrations and are listed in the price-chart guide. x-rangler-accepted-older-values: - 7d - 30d - 90d - 6m - 5y - max - name: basis in: query required: false schema: enum: - indexed - raw type: string description: >- Indexed performance starts every series at 100; raw requires one shared currency. default: indexed title: Basis description: >- Indexed performance starts every series at 100; raw requires one shared currency. - name: from in: query required: false schema: anyOf: - type: string format: date - type: 'null' description: Inclusive start date. Overrides period when provided. title: From description: Inclusive start date. Overrides period when provided. - name: to in: query required: false schema: anyOf: - type: string format: date - type: 'null' description: Inclusive end date. title: To description: Inclusive end date. responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/CompanyChartComparisonResponse' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: default: value: error: type: unauthorized code: unauthorized message: Authentication required. request_id: 28fa6152-7081-492e-8a7e-00beb237b689 '403': description: Forbidden content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: default: value: error: type: forbidden code: forbidden message: Paid access is required. request_id: 5c253b3e-778e-4a58-aaf8-07cb21e03563 '404': description: Not Found content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: default: value: error: type: not_found code: not_found message: Company not found request_id: 9f5237bc-7d8c-4a9d-9c1f-fbd4ef236cf9 '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: default: value: error: type: validation_error code: validation_error message: Request validation failed request_id: c5964dca-d290-4465-a3dc-f92d42aa9b17 details: - type: missing loc: - query - ticker msg: Field required input: null '429': description: Too Many Requests content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: default: value: error: type: rate_limit_exceeded code: rate_limit_exceeded message: Rate limit exceeded request_id: cc4d369a-2c69-4ee2-909e-985ea35d14a9 '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: default: value: error: type: internal_server_error code: internal_server_error message: Internal Server Error request_id: 70b63aba-b8a3-41c2-bb0c-fbe67d84d37d security: - RanglerApiKey: [] components: schemas: CompanyChartComparisonResponse: properties: period: anyOf: - type: string enum: - 1d - 1w - 1m - 3m - ytd - 1y - all - 7d - 30d - 90d - 6m - 5y - max - type: 'null' title: Period basis: type: string enum: - indexed - raw title: Basis base_value: anyOf: - type: number - type: 'null' title: Base Value description: >- Starting value used for indexed comparison. Null for raw-price comparison. currency: anyOf: - type: string - type: 'null' title: Currency description: >- Shared price currency for raw comparison. Null for indexed comparison. requested_start_date: anyOf: - type: string format: date - type: 'null' title: Requested Start Date requested_end_date: anyOf: - type: string format: date - type: 'null' title: Requested End Date comparison_start_date: anyOf: - type: string format: date - type: 'null' title: Comparison Start Date description: >- First date in the aligned comparison window, after every non-empty series has begun. comparison_end_date: anyOf: - type: string format: date - type: 'null' title: Comparison End Date description: >- Last date represented by at least one series in the aligned comparison window. count: type: integer title: Count series: items: $ref: '#/components/schemas/CompanyChartComparisonSeries' type: array title: Series data: items: $ref: '#/components/schemas/CompanyChartComparisonPoint' type: array title: Data type: object required: - basis - count - series - data title: CompanyChartComparisonResponse ErrorEnvelope: type: object required: - error properties: error: $ref: '#/components/schemas/ErrorObject' CompanyChartComparisonSeries: properties: company_id: type: string format: uuid title: Company Id symbol: type: string title: Symbol company_name: type: string title: Company Name exchange: anyOf: - type: string - type: 'null' title: Exchange currency: anyOf: - type: string - type: 'null' title: Currency start_date: anyOf: - type: string format: date - type: 'null' title: Start Date end_date: anyOf: - type: string format: date - type: 'null' title: End Date start_close: anyOf: - type: number - type: 'null' title: Start Close end_close: anyOf: - type: number - type: 'null' title: End Close percentage_change: anyOf: - type: number - type: 'null' title: Percentage Change description: >- Fractional change from start_close to the final returned close; 0.05 means 5%. type: object required: - company_id - symbol - company_name title: CompanyChartComparisonSeries CompanyChartComparisonPoint: properties: date: type: string format: date title: Date values: items: anyOf: - type: number - type: 'null' type: array title: Values description: >- Values in the same order as the response's series array; null means no observation on this date. type: object required: - date - values title: CompanyChartComparisonPoint ErrorObject: type: object required: - type - code - message - request_id properties: type: type: string code: type: string message: type: string request_id: type: string details: anyOf: - additionalProperties: true type: object - type: array items: additionalProperties: true type: object - type: 'null' securitySchemes: RanglerApiKey: type: apiKey in: header name: X-API-Key ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.