> ## 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. # Implied (vs) Realized > This endpoint returns the close-to-close hourly realized volatility for 7-days and 30-days. Using the daysToExpiration parameter, users can choose which "at-the-money" implied volatility to compare. ## OpenAPI ````yaml get /analytics/realized-volatility/implied-vs-realized openapi: 3.1.0 info: title: derivatives-api version: '2' servers: - url: https://api.amberdata.com/markets/derivatives security: - sec0: [] paths: /analytics/realized-volatility/implied-vs-realized: get: summary: Implied (vs) Realized description: >- This endpoint returns the close-to-close hourly realized volatility for 7-days and 30-days. Using the daysToExpiration parameter, users can choose which "at-the-money" implied volatility to compare. operationId: derivatives-volatility-implied-vs-realized 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: startDate in: query description: >- **[Required]** Payload only includes data after this date (inclusive). **[Formats]** `seconds | milliseconds | iso8601` **[Examples]** `1578531600 | 1578531600000 | 2020-09-01T01:00:00` required: true schema: type: string format: date-time default: '2024-05-01' - name: endDate in: query description: >- **[Required]** Payload only includes data before this date (exclusive). **[Formats]** `seconds | milliseconds | iso8601` **[Examples]** `1578531600 | 1578531600000 | 2020-09-01T01:00:00` required: true schema: type: string default: '2024-06-01' - 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: 1717196400000 exchange: deribit currency: BTC atm: 42.07136952487065 indexPrice: 67467.2625862069 realizedVolatility7: 34.3703605121272 realizedVolatility30: 43.18781667949284 - timestamp: 1717192800000 exchange: deribit currency: BTC atm: 42.342093330604044 indexPrice: 67497.18362068966 realizedVolatility7: 34.64484778160513 realizedVolatility30: 43.18780597002004 - timestamp: 1717189200000 exchange: deribit currency: BTC atm: 42.26759282303395 indexPrice: 67630.19172413793 realizedVolatility7: 34.74106116948189 realizedVolatility30: 43.29780207914846 - timestamp: 1717185600000 exchange: deribit currency: BTC atm: 42.752479678719894 indexPrice: 67577.36913793103 realizedVolatility7: 34.810606097346145 realizedVolatility30: 43.365305949478305 - timestamp: 1717182000000 exchange: deribit currency: BTC atm: 42.54544438742615 indexPrice: 67338.2125862069 realizedVolatility7: 34.77334686626163 realizedVolatility30: 45.01111142559468 - timestamp: 1717178400000 exchange: deribit currency: BTC atm: 43.58550179028271 indexPrice: 67278.44379310345 realizedVolatility7: 34.77483463827298 realizedVolatility30: 45.88253030236198 - timestamp: 1717174800000 exchange: deribit currency: BTC atm: 42.65212320443574 indexPrice: 67135.22103448276 realizedVolatility7: 34.81151928224687 realizedVolatility30: 45.94101096369127 - timestamp: 1717171200000 exchange: deribit currency: BTC atm: 41.05292487776283 indexPrice: 67150.05120689655 realizedVolatility7: 35.16901173446312 realizedVolatility30: 45.95035609919127 - timestamp: 1717167600000 exchange: deribit currency: BTC atm: 41.62193308928349 indexPrice: 67420.9175862069 realizedVolatility7: 35.101964176000635 realizedVolatility30: 46.09187643963553 - timestamp: 1717164000000 exchange: deribit currency: BTC atm: 40.85719429064001 indexPrice: 68045.02189655173 realizedVolatility7: 32.83801992230775 realizedVolatility30: 45.985923248467046 - timestamp: 1717160400000 exchange: deribit currency: BTC atm: 41.0914175946095 indexPrice: 68602.44586206897 realizedVolatility7: 30.969377533815834 realizedVolatility30: 46.08475823154777 - timestamp: 1717156800000 exchange: deribit currency: BTC atm: 40.393181822080805 indexPrice: 68316.85275862069 realizedVolatility7: 30.86787037320451 realizedVolatility30: 46.06726412669179 - timestamp: 1717153200000 exchange: deribit currency: BTC atm: 40.24332779352483 indexPrice: 68276.985 realizedVolatility7: 30.897628942222365 realizedVolatility30: 46.07116421016948 - timestamp: 1717149600000 exchange: deribit currency: BTC atm: 41.24436534443753 indexPrice: 67913.43862068966 realizedVolatility7: 30.079126376041657 realizedVolatility30: 46.2023392513109 - timestamp: 1717146000000 exchange: deribit currency: BTC atm: 40.79376804695732 indexPrice: 68125.70551724138 realizedVolatility7: 29.830102310200598 realizedVolatility30: 46.187515019914514 - timestamp: 1717142400000 exchange: deribit currency: BTC atm: 41.677109682894276 indexPrice: 68158.96206896551 realizedVolatility7: 31.804216592926508 realizedVolatility30: 46.24757357019454 - timestamp: 1717138800000 exchange: deribit currency: BTC atm: 41.61505707430359 indexPrice: 68254.57507462687 realizedVolatility7: 31.789265050895736 realizedVolatility30: 47.836871006227724 - timestamp: 1717135200000 exchange: deribit currency: BTC atm: 41.56870674044439 indexPrice: 68420.31686567163 realizedVolatility7: 31.936468023680746 realizedVolatility30: 47.91940178993071 - timestamp: 1717131600000 exchange: deribit currency: BTC atm: 42.092361109357356 indexPrice: 68494.27873134328 realizedVolatility7: 31.911794908220145 realizedVolatility30: 47.93992301936472 - timestamp: 1717128000000 exchange: deribit currency: BTC atm: 42.41582040999914 indexPrice: 68526.27335820896 realizedVolatility7: 32.013047017286496 realizedVolatility30: 47.93953461667026 - timestamp: 1717124400000 exchange: deribit currency: BTC atm: 42.5444366337161 indexPrice: 68515.56253731344 realizedVolatility7: 32.08749894871356 realizedVolatility30: 47.972061490871624 - timestamp: 1717120800000 exchange: deribit currency: BTC atm: 42.608036734124184 indexPrice: 68424.391119403 realizedVolatility7: 32.07903446336882 realizedVolatility30: 47.987255244078945 - timestamp: 1717117200000 exchange: deribit currency: BTC atm: 42.935524727386145 indexPrice: 68443.67858208955 realizedVolatility7: 32.128317584223424 realizedVolatility30: 47.99252257051946 - timestamp: 1717113600000 exchange: deribit currency: BTC atm: 43.765025163964545 indexPrice: 68343.93768656715 realizedVolatility7: 32.34504133182403 realizedVolatility30: 48.05918073485389 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: integer example: 1717196400000 default: 0 exchange: type: string example: deribit currency: type: string example: BTC atm: type: number example: 42.07136952487065 default: 0 indexPrice: type: number example: 67467.2625862069 default: 0 realizedVolatility7: type: number example: 34.3703605121272 default: 0 realizedVolatility30: type: number example: 43.18781667949284 default: 0 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 ````