> ## Documentation Index > Fetch the complete documentation index at: https://docs.tickdb.ai/llms.txt > Use this file to discover all available pages before exploring further. # Share Buybacks > Retrieve company buyback programs, execution information, and historical metrics. ## Plan Access | Plan | Available | | - | :-: | | Free | ❌ | | Starter | ✅ | | Professional | ✅ | | Full-Market Plans (A-Shares, HK Stocks, US Stocks) | ✅ | | Enterprise | ✅ | ## Notes * Estimated buyback metrics may be `null`. ## Supported Markets | Market | Examples | | - | - | | US Stocks | AAPL.US | | HK Stocks | 700.HK | | A-Shares | 600519.SH | ## Request Parameters | Parameter | Required | Description | | - | :-: | - | | `symbol` | Yes | Stock symbol | | `type` | No | Product type; currently supports `stock` | ## Request Example ```bash theme={null} curl -H "X-API-Key: YOUR_API_KEY" \ "https://api.tickdb.ai/v1/fundamentals/buyback?symbol=AAPL&type=stock" ``` ## Response Fields The table below lists fields in `data`; an outer `code=0` indicates success. | Field | Description | | - | - | | symbol | Stock symbol. | | currency | Buyback amount currency. | | ttm | Buyback metrics for the latest 12 months. | | └─ net\_buyback | Net buyback amount. | | └─ net\_buyback\_yield | Net buyback yield; may be `null`. | | └─ buyback\_payout\_ratio | Buyback payout ratio; may be `null`. | | └─ buyback\_to\_cashflow\_ratio | Buyback-to-cash-flow ratio; may be `null`. | | history | Historical annual buyback records. | | └─ fiscal\_year | Fiscal year. | | └─ fiscal\_year\_range | Fiscal-year date range text, for example `2024/01/01 - 2024/12/31`. | | └─ currency | Currency for the year. | | └─ net\_buyback | Net buyback amount. | | └─ net\_buyback\_yield | Net buyback yield; may be `null`. | | └─ net\_buyback\_growth\_rate | Net buyback growth rate; may be `null`. | Returns TTM buyback metrics and historical annual records. ## OpenAPI ````yaml openapi.en.yaml GET /v1/fundamentals/buyback openapi: 3.1.0 info: title: TickDB API description: TickDB unified real-time market data API via REST and WebSocket. version: 1.0.3 contact: email: support@tickdb.ai servers: - url: https://api.tickdb.ai description: Production server security: - ApiKeyAuth: [] paths: /v1/fundamentals/buyback: get: tags: - fundamentals-capital-actions summary: Share Buybacks description: >- Retrieve company buyback programs, execution information, and historical metrics. operationId: getFundamentalsBuyback parameters: - $ref: '#/components/parameters/SymbolQuery' - $ref: '#/components/parameters/TypeQuery' responses: '200': $ref: '#/components/responses/BuybackResponse' default: $ref: '#/components/responses/ErrorResponse' components: parameters: SymbolQuery: name: symbol in: query required: true schema: type: string examples: - AAPL - '700' - '600519' - AAPL.US - 700.HK - 600519.SH description: Stock symbol TypeQuery: name: type in: query required: false schema: type: string enum: - stock description: Product type; currently supports `stock` responses: BuybackResponse: description: Share Buybacks response. content: application/json: schema: $ref: '#/components/schemas/BuybackEnvelope' ErrorResponse: description: >- Error response. Common HTTP statuses include 400 (invalid parameters), 401 (authentication failed), 403 (permission or quota restriction), 404 (no matching data), 429 (rate limit), and 503 (service temporarily unavailable). content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' examples: missingAPIKey: summary: Missing API key value: code: '1002' message: API key is required. Provide via X-API-Key header error: '1002' missingKind: summary: Missing required parameter value: code: 40001 message: kind is required data: null endpointForbidden: summary: API key cannot access this endpoint value: code: 3009 message: This endpoint is not allowed for your API key data: null marketForbidden: summary: API key cannot access this market value: code: 3010 message: Fundamentals market not allowed for your API key data: market: US noAvailableSource: summary: Data temporarily unavailable value: code: 5003 message: Data is temporarily unavailable data: null notFound: summary: No matching data value: code: 40404 message: shareholder detail not found data: null businessNoData: summary: No business data matches the query value: code: 40405 message: valuation time series not found data: null schemas: BuybackEnvelope: allOf: - $ref: '#/components/schemas/SuccessEnvelope' - type: object properties: data: $ref: '#/components/schemas/BuybackData' ErrorEnvelope: type: object required: - code - message properties: code: description: >- TickDB API business error code; may be an integer or string. Convert it to a string before comparing. oneOf: - type: integer - type: string message: type: string description: Error description. error: type: string description: >- Compatibility error identifier; present only in some error responses. data: description: Optional error context; may be null, an object, or an array. oneOf: - type: 'null' - type: object additionalProperties: true - type: array items: {} SuccessEnvelope: type: object required: - code - data properties: code: type: integer const: 0 description: Business status code; `0` means success. BuybackData: type: object required: - symbol - currency - ttm - history properties: symbol: type: string description: Stock symbol. currency: type: string description: Buyback amount currency. ttm: $ref: '#/components/schemas/BuybackTTM' history: type: array description: Historical annual buyback records. items: $ref: '#/components/schemas/BuybackHistoryItem' additionalProperties: true BuybackTTM: type: object required: - net_buyback - net_buyback_yield - buyback_payout_ratio - buyback_to_cashflow_ratio properties: net_buyback: type: - string - number - 'null' description: Net buyback amount. net_buyback_yield: type: - string - number - 'null' description: Net buyback yield; may be `null`. buyback_payout_ratio: type: - string - number - 'null' description: Buyback payout ratio; may be `null`. buyback_to_cashflow_ratio: type: - string - number - 'null' description: Buyback-to-cash-flow ratio; may be `null`. additionalProperties: true BuybackHistoryItem: type: object required: - currency - fiscal_year - fiscal_year_range - net_buyback - net_buyback_yield - net_buyback_growth_rate properties: currency: type: string description: Buyback amount currency. fiscal_year: type: string description: Fiscal year. fiscal_year_range: type: string description: Fiscal-year date range text, for example `2024/01/01 - 2024/12/31`. net_buyback: type: - string - number - 'null' description: Net buyback amount. net_buyback_yield: type: - string - number - 'null' description: Net buyback yield; may be `null`. net_buyback_growth_rate: type: - string - number - 'null' description: Net buyback growth rate; may be `null`. additionalProperties: false securitySchemes: ApiKeyAuth: type: apiKey in: header name: X-API-Key ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.