> ## Documentation Index > Fetch the complete documentation index at: https://docs.amberdata.io/llms.txt > Use this file to discover all available pages before exploring further. # Term Structures Floating > This endpoint returns the term structure (for exchange listed expirations) with forward volatility calculations, for active exchange listed maturities. ## OpenAPI ````yaml get /analytics/volatility/term-structures/forward-volatility/floating openapi: 3.1.0 info: title: derivatives-api version: '2' servers: - url: https://api.amberdata.com/markets/derivatives security: - sec0: [] paths: /analytics/volatility/term-structures/forward-volatility/floating: get: summary: Term Structures Floating description: >- This endpoint returns the term structure (for exchange listed expirations) with forward volatility calculations, for active exchange listed maturities. operationId: derivatives-volatility-term-structures-floating parameters: - name: exchange in: query description: >- **[Required]** The exchange for which to retrieve the listed option level 1 quotes. **[Examples]** ` deribit | okex | bybit` required: true schema: type: string default: deribit - name: currency in: query description: >- **[Required]** The underlying currency for which there are listed option instruments. **[Examples]** ` BTC | SOL_USDC ` Note: inverse options have underlying currencies formatted as (BTC, ETH) while linear option currency formats include the stable coin in the same (SOL_USDC) required: true schema: type: string default: BTC - name: timestamp in: query description: |- **[Required]** Payload only includes data for this timestamp. **[Formats]** `seconds | milliseconds | iso8601` **[Examples]** `1578531600 | 1578531600000 | 2024-04-03T08:00:00` schema: type: string format: date-time default: '2024-04-12T00:00:00' - name: timeFormat in: query description: >- **[Optional]** Time format of the timestamps in the return payload. **[Defaults]** `milliseconds | ms* | iso | iso8601 | hr | human_readable` schema: type: string responses: '200': description: '200' content: application/json: examples: Result: value: status: 200 title: OK description: Successful request payload: data: - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-05-24T08:00:00.000Z' daysToExpiration: 0.40069444444444446 atm: 48.18119212406436 fwdAtm: null - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-05-25T08:00:00.000Z' daysToExpiration: 1.4006944444444445 atm: 48.46480114364702 fwdAtm: 48.577977052867816 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-05-26T08:00:00.000Z' daysToExpiration: 2.4006944444444445 atm: 43.28339639988641 fwdAtm: 34.75030807598399 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-05-31T08:00:00.000Z' daysToExpiration: 7.4006944444444445 atm: 46.450304912583725 fwdAtm: 47.8965128013226 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-06-07T08:00:00.000Z' daysToExpiration: 14.400694444444444 atm: 48.519944804403636 fwdAtm: 50.61610840594084 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-06-14T08:00:00.000Z' daysToExpiration: 21.400694444444444 atm: 50.60106649680914 fwdAtm: 54.63370536858937 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-06-28T08:00:00.000Z' daysToExpiration: 35.40069444444445 atm: 53.76060540395727 fwdAtm: 58.26012518602842 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-07-26T08:00:00.000Z' daysToExpiration: 63.40069444444445 atm: 58.247165892832165 fwdAtm: 63.46720290344688 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-09-27T08:00:00.000Z' daysToExpiration: 126.40069444444444 atm: 63.17620639474564 fwdAtm: 67.77566212230421 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2024-12-27T08:00:00.000Z' daysToExpiration: 217.40069444444444 atm: 67.07817801426035 fwdAtm: 72.148798792591 - timestamp: '2024-05-23T22:23:00.000Z' exchange: deribit currency: BTC expirationTimestamp: '2025-03-28T08:00:00.000Z' daysToExpiration: 308.40069444444447 atm: 68.63902950783613 fwdAtm: 72.23152159742965 metadata: api-version: '2023-09-30' schema: type: object properties: status: type: integer example: 200 default: 0 title: type: string example: OK description: type: string example: Successful request payload: type: object properties: data: type: array items: type: object properties: timestamp: type: string example: '2024-05-23T22:23:00.000Z' exchange: type: string example: deribit currency: type: string example: BTC expirationTimestamp: type: string example: '2024-05-24T08:00:00.000Z' daysToExpiration: type: number example: 0.40069444444444446 default: 0 atm: type: number example: 48.18119212406436 default: 0 fwdAtm: type: number nullable: true example: null description: >- Forward At The Money volatility (can be null for short-term expirations) metadata: type: object properties: api-version: type: string example: '2023-09-30' '400': description: '400' content: application/json: examples: Result: value: {} schema: type: object properties: {} deprecated: false security: - ApiKeyAuth: [] components: securitySchemes: ApiKeyAuth: type: apiKey in: header name: x-api-key ````